H932 custom roms always bootlooping plus encryption questions - LG V30 Questions & Answers

Hi,
I have a H932, unlocked bootloader and twrp installed twice as advised in thisthread.
I've tried liquid, lineage and Resurrection and all of them except RR bootloop. I'm assuming because it is a GSI? I'm flashing the H932 versions of all these roms.
I must have missed something so if anyone has any suggestions?
I wonder if it's because I'm using TWRP 3.2.3-7 instead of 3.3.0 but I couldnt flash the No_Verity files using the latest version so had to drop back to 3.2.3-7. If this is the case, how do I flash those files to ensure I don't get encrypted. What happens if I don't flash the files and end up encrypted?
I am clutching at straws here, so any help would be greatly appreciated.

My lineage is tested on H932, and works ?
Whats your flashing process exactly?
Wipe system, data, cache and dalvik cache (after you took a backup)
and then flash
ROM, Gapps, (optionally) Magisk
For encryption: all AOSP roms have /data set to encryptable, not forceencrypt, so except you (try to) enable encryption in the settings, it wont do anything (and even that is broken to my knowledge)

ddevey said:
I wonder if it's because I'm using TWRP 3.2.3-7 instead of 3.3.0 but I couldnt flash the No_Verity files using the latest version so had to drop back to 3.2.3-7. If this is the case, how do I flash those files to ensure I don't get encrypted. What happens if I don't flash the files and end up encrypted?
I am clutching at straws here, so any help would be greatly appreciated.
Click to expand...
Click to collapse
You are using the right TWRP.

SGCMarkus said:
My lineage is tested on H932, and works ?
Whats your flashing process exactly?
Wipe system, data, cache and dalvik cache (after you took a backup)
and then flash
ROM, Gapps, (optionally) Magisk
For encryption: all AOSP roms have /data set to encryptable, not forceencrypt, so except you (try to) enable encryption in the settings, it wont do anything (and even that is broken to my knowledge)
Click to expand...
Click to collapse
Hey, thanks for the response. I'm just reading through the [ROOT] H932 - lafploit 1.5 up to v20k thread again and realised I haven't flashed a stock Oreo TWRP flashable rom before flashing lineage. Do I need to do this?
I have factory reset in TWRP and wiped system, data, cache / dalvik and then flashed the rom, gapps, magisk and No_Verity 6.
If not flashing an Oreo rom is the issue, can you recommend one? I've got a 3 gig H932_20o.zip from the root thread, but really I'm just interested in the custom roms.

ddevey said:
Haven't flashed a stock Oreo TWRP flashable rom before flashing lineage. Do I need to do this?
If not flashing an Oreo rom is the issue, can you recommend one? I've got a 3 gig H932_20o.zip from the root thread, but really I'm just interested in the custom roms.
Click to expand...
Click to collapse
That's old. Flash the H932 20S
Yeah you shouldn't go from Nougat H932 firmware to Pie custom ROMs.
People have fingerprint sensor issues, etc. if they don't have at least Oreo firmware when flashing custom ROMs
https://forum.xda-developers.com/lg-v30/development/stock-t-mobile-lg-v30-stock-collection-t3909237

ChazzMatt said:
That's old. Flash the H932 20S
Yeah you shouldn't go from Nougat H932 firmware to Pie custom ROMs.
People have fingerprint sensor issues, etc. if they don't have at least Oreo firmware when flashing custom ROMs
https://forum.xda-developers.com/lg-v30/development/stock-t-mobile-lg-v30-stock-collection-t3909237
Click to expand...
Click to collapse
Oh my gosh! Sweet freedom thanks guys. My heart's been in my mouth all day with this process........... thanks very much for the help.

ddevey said:
Oh my gosh! Sweet freedom thanks guys. My heart's been in my mouth all day with this process........... thanks very much for the help.
Click to expand...
Click to collapse
Well, I hope that solves your issues. But yeah, you are using correct TWRP and yeah you do need newer stock firmware than Nougat before flashing custom ROMs.
Sent via open market LG US998 V30/V30+

Thanks again, I'm rocking Lineage from February and everything seems to be working great.
I'm just wondering if someone can actually clarify what I've done by following the H932 TWRP and Root guide. I've been flashing roms since the days of the original XDA and the HTC HD2, but this seems like one of the wierder devices and I'd really like to understand what's going on.
So I have 2 versions of TWRP. One on LAF and one on the bootloader?
What is LAF?
In my haste I flashed the old H932_20o which works for now and has made the february Pie roms work, but I would like to flash the H932_20r from here, as from what I understand this is necessary to ensure less issues with the April pie roms. If I flash the full version of this, will it overwrite LAF?
Do I even need to retain TWRP on LAF when it's already on the bootloader? Do I need to boot back into FWUL and run the script from there to get TWRP back onto LAF if the 20o rom overwrote it? I'd try and find out myself, but it seems the only way to get into the TWRP on the LAF is to hold down and go through that wipe process with the white screens, which i'd rather avoid.
No one seems to talk about vendor images being flashed to match the latest security updates. Is this becuase LG are so slow in releasing vendor updates?
Apologies for all the questions. I appreciate that these have probably been answered already, but they are spread across multiple vendors of hundereds of pages and I'm having trouble piecing all this information together.

ddevey said:
Thanks again, I'm rocking Lineage from February and everything seems to be working great.
I'm just wondering if someone can actually clarify what I've done by following the H932 TWRP and Root guide. I've been flashing roms since the days of the original XDA and the HTC HD2, but this seems like one of the wierder devices and I'd really like to understand what's going on.
So I have 2 versions of TWRP. One on LAF and one on the bootloader?
What is LAF?
In my haste I flashed the old H932_20o which works for now and has made the february Pie roms work, but I would like to flash the H932_20r from here, as from what I understand this is necessary to ensure less issues with the April pie roms. If I flash the full version of this, will it overwrite LAF?
Do I even need to retain TWRP on LAF when it's already on the bootloader? Do I need to boot back into FWUL and run the script from there to get TWRP back onto LAF if the 20o rom overwrote it? I'd try and find out myself, but it seems the only way to get into the TWRP on the LAF is to hold down and go through that wipe process with the white screens, which i'd rather avoid.
No one seems to talk about vendor images being flashed to match the latest security updates. Is this becuase LG are so slow in releasing vendor updates?
Apologies for all the questions. I appreciate that these have probably been answered already, but they are spread across multiple vendors of hundereds of pages and I'm having trouble piecing all this information together.
Click to expand...
Click to collapse
Why 20r? Why not newer 20s?
LAF TWRP is redundant and you no longer have LGUP Download mode, since you wiped it out from flashing 2nd copy of TWRP over your LAF partition.
Sent via open market LG US998 V30/V30+

ChazzMatt said:
Why 20r? Why not newer 20s?
LAF TWRP is redundant and you no longer have LGUP Download mode, since you wiped it out from flashing 2nd copy of TWRP over your LAF partition.
Sent via open market LG US998 V30/V30+
Click to expand...
Click to collapse
20s says it hasn't been tested on the H932.

ddevey said:
20s says it hasn't been tested on the H932.
Click to expand...
Click to collapse
coming...
weakNPCdotCom said:
Just got my hands on the 20s KDZ. Ill have packages ready this weekend
Click to expand...
Click to collapse
Yeah you can flash H932 20r for now.
https://forum.xda-developers.com/lg-v30/development/stock-t-mobile-lg-v30-stock-collection-t3909237

So if I flash the full stock, it'll update the LAF, recovery, bootloader and modem firmware. Which is presumably what I want if I want to be on the most up to date vendor, modem etc.
But if it overwrites LAF and the bootloader with stock presumably somehow I've got to get TWRP back onto it? Can I just flash a TWRP image to the bootloader straight after the stock flash or do I need to go back to FWUP to do this?
I think I'll wait for the 20s version, but it'd be useful to fully understand what's going on so I don't brick it.
If I do brick it, can I just go back to LG UP and flash the 10d version and follow the guide again?
OK, should read properly:
None of these Zips flash the Recovery partition.
Besides StockLAF, these Zips DO NOT flash the LAF partition.

ddevey said:
So if I flash the full stock, it'll update the LAF, recovery, bootloader and modem firmware. Which is presumably what I want if I want to be on the most up to date vendor, modem etc.
But if it overwrites LAF and the bootloader with stock presumably somehow I've got to get TWRP back onto it? Can I just flash a TWRP image to the bootloader straight after the stock flash or do I need to go back to FWUP to do this?
I think I'll wait for the 20s version, but it'd be useful to fully understand what's going on so I don't brick it.
If I do brick it, can I just go back to LG UP and flash the 10d version and follow the guide again?
Click to expand...
Click to collapse
This is TWRP-flashable zip. You will not lose TWRP custom recovery. Why would you brick it?
You need to read the instructions, please.
IF you flash the LAF file, you will regain Download mode and "lose" the redundant copy of TWRP you also flashed over your LAF partition.
"Flashing LAF WILL REMOVE TWRP from your laf partition and restore stock DL Mode"
"None of these Zips flash the Recovery partition."
You may have to flash the no encryption and no root check files again, besides Magisk.
Sent via open market LG US998 V30/V30+

ChazzMatt said:
You need to read the instructions, please.
Click to expand...
Click to collapse
I think I'm misunderstanding where TWRP is actually located on the device. I am reading, just failing to understand.
ChazzMatt said:
IF you flash the LAF file, you will regain Download mode and "lose" the redundant copy of TWRP you also flashed over your LAF partition.
Click to expand...
Click to collapse
So basically never flash a LAF zip or a recovery partition and I'll never loose TWRP. Stay away from unmodified KDZ's.

ddevey said:
I think I'm misunderstanding where TWRP is actually located on the device. I am reading, just failing to understand.
So basically never flash a LAF zip or a recovery partition and I'll never loose TWRP. Stay away from unmodified KDZ's.
Click to expand...
Click to collapse
You have it in two places right now. In your recovery partition (normal), as it's TWRP custom recovery that replaces the useless stock recovery.
And due to the way the H932 root Instructions are written you also flashed it over your LAF partition, where your Download mode WAS. Right now, you no longer have LGUP Download mode if you wanted to use that, and instead you have TWO copies of TWRP.
In the WTF INSTRUCTIONS, we never do that. However, the dev who rooted the H932 (and wrote those Instructions) feels there's an advantage to having TWO copies of TWRP and giving up LGUP Download mode. Been discussed in depth elsewhere and we've agreed to disagree.
When you flash H932 20R TWRP flashable zip, you can choose to keep both copies of TWRP or you can choose to restore your Download mode and have the normal recovery partition copy of TWRP. Your choice.
Sent via open market LG US998 V30/V30+
---------- Post added at 02:23 AM ---------- Previous post was at 02:11 AM ----------
ddevey said:
So basically never flash a LAF zip or a recovery partition and I'll never loose TWRP. Stay away from unmodified KDZ's.
Click to expand...
Click to collapse
Right now you couldn't flash a KDZ if you wanted to, as you no longer have Download mode. Instead you have redundant 2nd copy of TWRP where LGUP Download mode used to live.
All you can install right now is TWRP- flashable zips or ROMs.

Thank you, that's super helpful. I really appreciate your patience.
So just one last question and I think I'm clear........ I'll avoid getting into a debate about the merits of 2 TWRP's vs Download mode.........
If I restore LAF and have a download mode at any point I can flash the 10d firmware and start over.
The flip side, is that I can then only get into TWRP by holding down + power - hold and release power and going through the "factory reset" process to access the recovery, or getting an app that boots directly into TWRP. But the assumption is that the rom is bootable for that to work.
Seems strange that it makes you do a factory rese to the device to access the recovery.
Basically, just don't flash anything over the recovery.

ddevey said:
Thank you, that's super helpful. I really appreciate your patience.
So just one last question and I think I'm clear........ I'll avoid getting into a debate about the merits of 2 TWRP's vs Download mode.........
If I restore LAF and have a download mode at any point I can flash the 10d firmware and start over.
The flip side, is that I can then only get into TWRP by holding down + power - hold and release power and going through the "factory reset" process to access the recovery, or getting an app that boots directly into TWRP. But the assumption is that the rom is bootable for that to work.
Seems strange that it makes you do a factory rese to the device to access the recovery.
Basically, just don't flash anything over the recovery.
Click to expand...
Click to collapse
I never get into TWRP that way. What you are describing is the hardware button dance, which is only for emergencies.
To boot to TWRP initially (first time after installation) you simply use fastboot boot recovery command. You're already connected to the computer.
After that your use the Reboot Recovery app, as STONGLY suggested in the WTF INSTRUCTIONS. Put shortcut on your main screen.
Sent via open market LG US998 V30/V30+

ChazzMatt said:
I never get into TWRP that way. What you are describing is the hardware button dance, which is only for emergencies.
To boot to TWRP initially (first time after installation) you simply use fastboot boot recovery command. You're already connected to the computer.
After that your use the Reboot Recovery app, as STONGLY suggested in the WTF INSTRUCTIONS. Put shortcut on your main screen.
Sent via open market LG US998 V30/V30+
Click to expand...
Click to collapse
See screenshot.
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Here's the relevant section of TWRP Instructions from WTF, which also works for H932 (the TWRP installation part is universal)
_________
TLDR:
* flash twrp: fastboot flash TWRP.img (TWRP-3.2.3-7-default.img re-named as just "TWRP.img")
* boot twrp: fastboot boot TWRP.img (TWRP-3.2.3-7-default.img re-named as just "TWRP.img")
* swipe to allow modifications (do NOT leave read-only, TWRP NEEDS to be able to make changes to your system.)
* select WIPE, then also FORMAT DATA, then type yes
* wipe cache, dalvik, data
* flash magisk 18.0.
* flash encryption disabler
* flash root disabler
* reboot
STRONG SUGGESTION: After successfully doing all this, when you finally boot back to LG Oreo, install THIS app to easily facilitate rebooting to TWRP recovery in the future: Recovery Reboot
Also, please make another TWRP backup.

ddevey said:
If I restore LAF and have a download mode at any point I can flash the 10d firmware and start over.
Click to expand...
Click to collapse
Yes. Whereas without Download mode, you could NOT flash 10d KDZ and start over. Now you are beginning to understand why I (personally, my opinion) do not advocate giving up Download mode...

ChazzMatt said:
I never get into TWRP that way. What you are describing is the hardware button dance, which is only for emergencies.
To boot to TWRP initially (first time after installation) you simply use fastboot boot recovery command. You're already connected to the computer.
After that your use the Reboot Recovery app, as STONGLY suggested in the WTF INSTRUCTIONS. Put shortcut on your main screen.
Sent via open market LG US998 V30/V30+
Click to expand...
Click to collapse
If it's H932, there's no way you can access twrp via fastboot. Fastboot just fancy bootloader (un)locker there. Is that all about twrp on laf Vs. twrp on recovery? I know, we can boot up twrp via device reset combination, but then how to access laf's twrp? Does vol up + power works? Let me assume that twrp only managed to handle "customization things" and DL mode laf for "lastest hope". If one twrp can't handle some "recovery" task, so two trwp(s) won't get things better. But download mode certainly does.

Related

Flashing TWRP not working

I am trying to flash TWRP on 10B (was running 23C and did KDZ flash back to 10B). Rooted via Stump, installed BusyBox, TWRP Mananger and Official TWRP App. Since TWRP didn't appear to install TWRP I did some more research I read people had success with 'Partitions Backup' to backup stock recovery partition and then use 'Flashify' to install TWRP. So I downloaded the twrp-3.0.2-0-vs985.img and installed that to recovery after backing up stock. Next reboot takes me into TWRP. If I then boot normally and then shutdown and enter recovery again I'm back in stock recovery. So it's like the flash is temporary.
Anybody care to educate me about what I am doing wrong. I'm sure this was easier in the days of the 'all-in-one' root/TWRP installer but can't download that anymore and I'm tired of the updates and poor performance so want to try custom ROM's.
Any help would be appreciated. I am thinking maybe I need to install recovery again when booted into TWRP? Not sure.
I am wondering if the flash doesn't work because I flashed a TWRP img without the "bump" designation? I am beginning to think the best way to install reliably is using the 'dd' command from adb over remote PC connection (or via su in a terminal shell if advisable)? Any thoughts on using this method and whether I can go right to the latest version of TWRP for the vs985 (twrp-3.0.2-0-vs985.img).
skay said:
I am wondering if the flash doesn't work because I flashed a TWRP img without the "bump" designation? I am beginning to think the best way to install reliably is using the 'dd' command from adb over remote PC connection (or via su in a terminal shell if advisable)? Any thoughts on using this method and whether I can go right to the latest version of TWRP for the vs985 (twrp-3.0.2-0-vs985.img).
Click to expand...
Click to collapse
I think you might have solved your own problem! You can't use just any TWRP image. It has to be specifically bumped for the G3.
iBolski said:
I think you might have solved your own problem! You can't use just any TWRP image. It has to be specifically bumped for the G3.
Click to expand...
Click to collapse
Thanks for the reply iB. I only tried flashing with the VS985 img files. But I didn't start with one that specifically had the "bump" or "bumped" designation in the filename. I am wondering if the later version that I used doesn't actually install bump to recovery but it intended to be installed as an updated version of TWRP on a previously "bumped" recovery image? Sorry for getting into the weeds here but I actually just stayed rooted on 23C for quite a while until I couldn't take it anymore. I looked at moving up to G4, G5, V10 and V20 but it seems like the G3 is the best value LG phone for custom ROMs and hardware is still not bad overall.
Anyone know of a way to determine if recovery has been flashed with TWRP img before attempting 'factory reset' option? I based my questions thus far on the assumption that if it flashed successfully I would see only the 'factory reset' and 'reboot' options in the new recovery, but I see all 5 options as before flashing TWRP.
skay said:
Anyone know of a way to determine if recovery has been flashed with TWRP img before attempting 'factory reset' option? I based my questions thus far on the assumption that if it flashed successfully I would see only the 'factory reset' and 'reboot' options in the new recovery, but I see all 5 options as before flashing TWRP.
Click to expand...
Click to collapse
It's been a long time (over a year) since I last used TWRP on my G3 (which is now in the cell phone cemetery as it died last December), but I believe if you boot normally, hook your phone to your PC and use adb reboot-recovery, it SHOULD go straight into TWRP, but I could be wrong. Otherwise, factory reset is the only way to get to it. The normal "recovery" screen shows up first, from what I remember and you have to go that route to get to TWRP. You should always, always back up your phone whenever doing things like this anyways. I don't know if there is a way to "verify" that it is installed, so once again, backup everything first. Just in case.
Thanks for the help and the confirmation that the standard recovery is expected once it's installed. Based on videos I expected something different. But I tried it after backing up and it works fine. Now time to flash!!

Stuck in fastboot mode,with only restart or shut down for options

So today i decided to update magisk to its latest versio, it all whet well,i did within android. later on in the day i decided to reboot myphone, and to my surprise it got stuck o thelgv30 thinq scree, after decide 10m was enough i rebooted and the it was stuck in bootloop, so i decided to restore my nanddroid , after it was done i hit reboot to system, and now it will only noot to fastootmode,, its as if there is nothing flashed to boot or system. any help will greatly appreciated.
EDIT: VERY OLD POST; WE CAN NOW USE NEWER MAGISK
____________
By "latest" you mean Magisk beta? You can only use stable 16.0 Magisk. Stated in the bootloader unlock/TWRP/root instructions that beta Magisk will mess up your phone.
Download Magisk or SuperSu. Magisk 16 (Use stable Magisk -- which right now is 16.0! Magisk "beta" will mess up your phone.)
Click to expand...
Click to collapse
You may need to Master Reset (wipe everything), reflash TWRP, etc. Good luck.
ChazzMatt said:
By "latest" you mean beta Magisk. You can only use stable 16.0 Magisk. Stated in the bootloader unlock instructions that beta Magisk will mess up your phone.
You may need to Master Reset (wipe everything), reflash TWRP, etc. Good luck.
Click to expand...
Click to collapse
yea that what i did fml. what do i do reflash the oreo kdz?
siulmagic said:
yea that what i did fml. what do i do reflash the oreo kdz?
Click to expand...
Click to collapse
Probably. First Master Reset to clear everything. SEE if that works. Post 101 of the Frankenstein thread.
If that doesn't work, then go into download mode manually, then open dev patched LGUP and reflash Oreo KDZ.
Then use ADB to reinstall TWRP, and go from there. Your bootloader will already be unlocked so you'll continue to get the "scary" bootloader unlock warning. But you'll otherwise be following the instruction of the bootloader unlock thread, except for the bootloader unlock part.
ChazzMatt said:
Probably. First Master Reset to clear everything. SEE if that works. Post 101 of the Frankenstein thread.
If that doesn't work, then go into download mode manually, then open dev patched LGUP and reflash Oreo KDZ.
Then use ADB to reinstall TWRP, and go from there. Your bootloader will already be unlocked so you'll continue to get the "scary" bootloader unlock warning. But you'll otherwise be following the instruction of the bootloader unlock thread, except for the bootloader unlock part.
Click to expand...
Click to collapse
Isint the master reset disabled with twrp? master reset only boots twrp, when you have twrp installed, i will try to wipe with lgup.
Thanks for the help man, phone is backup and running.
siulmagic said:
Thanks for the help man, phone is backup and running.
Click to expand...
Click to collapse
I've tried using LgUP to try and get me back onto an OS, but it will not boot into the OS, only into fastboot. Anything I can do?
If you were using Trebel TWRP you have to use normal TWRP and restore the backup GPT in order for a stock nandroid to work or a stock based clean flash...
jmej88 said:
I've tried using LgUP to try and get me back onto an OS, but it will not boot into the OS, only into fastboot. Anything I can do?
Click to expand...
Click to collapse
To fix stuck in fastboot or download mode
Connect phone in download mode
go in patched LGUP flash h93320f_00_open_ca_op_0612.kdz
With partition dl option
(not working go in device manager select modem
Then lge mobile usb modem right click disable driver try again)
help me:,(
ChazzMatt said:
Probably. First Master Reset to clear everything. SEE if that works. Post 101 of the Frankenstein thread.
If that doesn't work, then go into download mode manually, then open dev patched LGUP and reflash Oreo KDZ.
Then use ADB to reinstall TWRP, and go from there. Your bootloader will already be unlocked so you'll continue to get the "scary" bootloader unlock warning. But you'll otherwise be following the instruction of the bootloader unlock thread, except for the bootloader unlock part.
Click to expand...
Click to collapse
I had the same problem but I tried many different versions but it was still stuck in fastboot i'm so scared help me pls
Im stuck in fastboot mode too after chip reset. Tried kdz us998 10 with no luck.
Anybody have other suggestions?
....edit.
Fixed flashing Canadian kdz.
mines wont go into download mode just keeps going to fastbootloader
r3m3dy478 said:
mines wont go into download mode just keeps going to fastbootloader
Click to expand...
Click to collapse
Flash twrp and flash rom.
Sent from my VS996 using Tapatalk
r3m3dy478 said:
mines wont go into download mode just keeps going to fastbootloader
Click to expand...
Click to collapse
Download kdz flashable zip then extract it. Flash the system.img and boot.img file via fastboot
This just happened to me today. It was either from the newest Magisk (v22) or from the newest YouTube Vanced. Those were the only things that changed recently on my phone. Rebooted today and it will only go to Fastboot mode and that's it.
Master Reset will get me into TWRP, but I think my USB port on the phone is damaged, it will charge but neither my Windows nor Linux PCs will recognize that it's plugged in. So it's like only USB charging works but not USB data. So I think I'm screwed, idk if it's fixable. Sad day.
Am also stack here qhile trying to unlock my bootloader using @bilong9 thread on my v300l .please help
This also happened to me while trying to update to Magisk 22. First I had an error with Magisk in a restart cycle, then when I tried to update manually from the APK I got stuck in a fastboot loop with no ADB access. I was able to boot to TWRP from fastboot on my PC, then re-flash the Pie image. My settings were all lost, but I did get my phone back at least. BEWARE of Magisk 22, or at least until it's fixed for the V30!
edit: I found that I COULD install Magisk 22.0.zip while following these instructions for restoring my phone:
LG V30/V30+/V30S Bootloader Unlock & Root Method (With Clear Instructions)
(WTF...!) LG V30/V30+/V30S Bootloader Unlock & Root Method (With Clear Instructions) WTF...! LG V30,V30+,V30S (MOST VARIANTS) BOOTLOADER UNLOCK, TWRP, ROOT INSTRUCTIONS HERE >>>CLICK HERE TO POST #193
forum.xda-developers.com
after a few extra prompts from the Magisk app, v22 now works.
I've had no issues using Magisk v22 with an LOS 17.1 (Android 10) based ROM. It could just be that there's a problem with it on either LG stock or Pie ROMs.
UPDATE
* Variant: US998 US Cellular/Carrier Unlocked
* ROM: Rooted Stock Pie (US99830b)
* Magisk: v21.4
So it seems the issue is not that it "soft bricks", but something about the new installation process of Magisk v22 goes wrong with the /boot partition, causing the phone to only be able to boot into Fastboot mode.
After getting my phone fully recovered and restored from the last failed attempt (and making a new TWRP backup), I attempted the v22 update again. First Magisk attempted to download and install the new v22 app, and then a popup notification said "additional setup is required for your device, press OK to reboot". So I hit okay, and that's when once again I got stuck in Fastboot with no other options.
If you have a TWRP/nandroid backup, you can easily fix this by performing the Master Reset process in order to boot into TWRP, and then just Restoring the /boot partition from your TWRP backup. This will get you back to Magisk v21.4 where you were before, which is where I'm currently at.
At this time, unless Magisk releases a TWRP-flashable .zip for v22, or unless there's a way to update to v22 via Fastboot, it doesn't look like updating to v22 will be possible, at least for the Stock Pie ROM.
I've seen on both reddit and XDA that several people are saying they updated to v22 without issue, but it's unclear if they were on Stock or Custom ROM. My guess would be that Custom ROMs are probably working fine and it's the Stock ROM that's having the issue.
At this time, unless Magisk releases a TWRP-flashable .zip for v22, or unless there's a way to update to v22 via Fastboot, it doesn't look like updating to v22 will be possible, at least for the Stock Pie ROM.
Click to expand...
Click to collapse
I simply renamed the available .apk to .zip and it flashed in TWRP.
edit: the ROM I'm using is from this thread, which says it is 99% stock, whatever that means.

Probably bricked LG V30, need some help

Hey there,
it seems like it's a very bad day for me. After some problems with my psyche, which is nothing new, i decided to flash a new ROM. This is what always makes me happy, try out new features and just messing arround with the system. Turns out, today i messed to much but i think it shouldn't... Here's what i did and happend (coming from RR 7.0):
-downloaded Superior OS from https://forum.xda-developers.com/lg-v30/development/post-t3909765
-downloaded the GAPPS package (first time with AROMA)
-moved both files to the SD-Card
-backed up my data, wiped system, dalvik, cache, data, internal storage
-installed the Superior OS zip
-installed the GAPPS zip
This is where it all got messy. The zip didn't finished, it stopped after 2 seconds and the H930 rebooted directly to recovery. There was no screen with the LG standard boot screen, it went straight to recovery. I rewiped everything and i got an error message which said: can't wipe data partition because device or resource is busy. I tried to repair it via wipe > advanced > selecting data > change or repair filesystem and tried to resize, repair and change file system. it always returns the error that it can't mount the partition. After the script, TWRP returns script succeeded, but fails to mount /data.
If i try to install RR 7.0, the script returns E3004: This package is for device : v30,joan,h930; this device is .
After all, i can't restore the backup i had from AOSP extended. I tried to flash the following two files TWRP-JOAN_H930_OPEN_EU-21w.zip and H93020R(TWRP).zip which started with the error E: Legacy property environment did not initialize succesfully. Properties may not be detected.
TWRP Version: 3.2.3-7
I would appreciate any help on this topic, even if i'm one of the xda profits who don't really gives a thank to the threads an just tries out until my devices work as i want them to do (i'm just honest). It's not because i don't appreciate the work of the dev's, they do really nice work which deffinetly is too much for myself to do. I'm just a messy person when it comes to interpersonal relationships. I'm sorry for my kind of awkward english, that's how i am...
I don't have a lot of knowledge about programming itself but i know how to use adb and fastboot, since i had some issues with my HTC one M7 on which i wasn't able to restore the IMEI due to too much messing arround. I think i started a thread about it, but i got it replaced even with a custom rom installed for free which will be my driver for the next couple days.
Kind regards
mrstupidus
I'm still new to this phone but, can you use LGUP to reinstall stock. Then just start over.
Sent from my LG-US998 using Tapatalk
Thanks for the reply,
i would if I could access download mode (forgot to mention it), seems like i'm not able to since the device only boots to recovery, the LG V30 bootscreen never shows up.
It seems like my device data is corrupted or lost, since different scripts in TWRP report that I have no device number. Also if I shut down the device trough TWRP, it boots to TWRP again and makes no attempt to shut down. I haven't tried to access download mode, I had to go to bed for work today. I still have to go tomorrow but one night without sleep will be worth it.
As far as I remember I have a backup of my EFS lying around, I will try to flash it this evening. I'll keep you guys updated if I find a way to get my v30 working, since it could help others too.
Regards
mrstupidus
mrstupidus said:
Thanks for the reply,
i would if I could access download mode (forgot to mention it), seems like i'm not able to since the device only boots to recovery, the LG V30 bootscreen never shows up.
It seems like my device data is corrupted or lost, since different scripts in TWRP report that I have no device number. Also if I shut down the device trough TWRP, it boots to TWRP again and makes no attempt to shut down. I haven't tried to access download mode, I had to go to bed for work today. I still have to go tomorrow but one night without sleep will be worth it.
As far as I remember I have a backup of my EFS lying around, I will try to flash it this evening. I'll keep you guys updated if I find a way to get my v30 working, since it could help others too.
Regards
mrstupidus
Click to expand...
Click to collapse
Have you tried going into download mode manually with the hardware buttons?
Press and hold the Volume Up key on your LG V30.
While still holding this button connect your phone to the USB cord on your computer.
The download mode should now be displayed on your device.
You can release the Volume Up key and resume the update / downgrade operation.
Click to expand...
Click to collapse
You are going to have to have to flash boot and system via fastboot:
* Download the ROM you want to flash and extract it. It will have boot.img or boot.image ... boot.something (depends on the ROM), and system.SOMETHING.
* Open an elevated command prompt in the directory you extracted the ROM in.
* From TWRP choose reboot / bootloader. If it wants to be a PITA and reboot back to TWRP, then you will have to wait till the phone dies and then use the vol down + plug in the USB cable method
* In the command prompt type:
Code:
fastboot flash boot boot.img
fastboot flash system system.img
fastboot boot boot.img
Obviously replace boot.img and system.img with the names of the boot and system files.
To solve your /data issue (and you might want to do this first actually):
While in TWRP
Code:
adb shell
umount /data
umount /sdcard
mkfs.ext2 /dev/block/bootdevice/by-name/userdata
Repeat those two umount, and that is umount NOT unmount, until you get an error. If it isn't unmounted, when you try to format it, mkfs.ext2 will throw an error.
-- Brian
runningnak3d said:
You are going to have to have to flash boot and system via fastboot:
* Download the ROM you want to flash and extract it. It will have boot.img or boot.image ... boot.something (depends on the ROM), and system.SOMETHING.
* Open an elevated command prompt in the directory you extracted the ROM in.
* From TWRP choose reboot / bootloader. If it wants to be a PITA and reboot back to TWRP, then you will have to wait till the phone dies and then use the vol down + plug in the USB cable method
* In the command prompt type:
Code:
Code:
fastboot flash boot boot.img
fastboot flash system system.img
fastboot boot boot.img
Obviously replace boot.img and system.img with the names of the boot and system files.
To solve your /data issue (and you might want to do this first actually):
While in TWRP
Code:
Code:
adb shell
umount /data
umount /sdcard
mkfs.ext2 /dev/block/bootdevice/by-name/userdata
Repeat those two umount, and that is umount NOT unmount, until you get an error. If it isn't unmounted, when you try to format it, mkfs.ext2 will throw an error.
-- Brian
Click to expand...
Click to collapse
Thank's a lot for you're efforts, it turned out that i didn't needed to flash the system.img and boot.img
ChazzMatt said:
Have you tried going into download mode manually with the hardware buttons?
Click to expand...
Click to collapse
Thanks a lot too for you're effort's, this really helped me out in a unecpected way
So here's what the issue was: a corrupted Gapps package. It failed to install and was still active in the recovery while the recovery "rebooted" (it just flashed off and started again with no normal boot between, kind of awkward to explain). The Phone itself never really rebooted into recovery, i have no idea how that happened. The /data partition was still in use from the Gapps script, but the script wasn't visible anymore and i was able to use the recovery as normal. So i ended up with an error everytime i tried to install a zip, restore a backup or wiping the /data partition.
Something i forgot yesterday in the spiral my mind was, forcing the phone to shut down via holding the power and volume down button. I then booted to recovery and i was able to wipe the /data partition. I then tried to install RR and the script suceeded with no error, then the Gapps package with AROMA and i was at the same point as yesterday. So forcing the phone to shut down and back to installing RR now without Gapps. I'm now going to install a .KDZ to start from the original firmware, so i can update the whole firmware and then moving on to unlock the bootloader and install TWRP and a rom with the working Gapps package i have
Thank's a lot for the help
Regards Simon
PS: I hope i will be more focused the next time i encounter issues with my phone and myself, this thread probably put's me in the place i deserve :silly:
That's crazy, I made the exact same mistake you did just now and I was just about stumped on what to do.
Thanks for saving me from a small panic attack, the Power + Vol (-) did the trick.
i tried to convert my sprint v30 to h930 and worked but since i didnt get signal decided to convert to us998 but know it dosent relock the bootloader and when i reflash our restore it gets to setup menú and reboot… i can enter download,fastboot and recovery but dont seem to stop it from rebooting..i dindt want to start a new thread.help please
dami00976 said:
i tried to convert my sprint v30 to h930 and worked but since i didnt get signal decided to convert to us998 but know it dosent relock the bootloader and when i reflash our restore it gets to setup menú and reboot… i can enter download,fastboot and recovery but dont seem to stop it from rebooting..i dindt want to start a new thread.help please
Click to expand...
Click to collapse
It'd be better if you provided the roms and versions you were using.
In between tho, try flashing the last US998 rom you used again but in refurbish mode instead of DL. I had an almost similar bootlooping issue last night and 2nd refurb flash got it to stop.
dami00976 said:
i tried to convert my sprint v30 to h930 and worked but since i didnt get signal decided to convert to us998 but know it dosent relock the bootloader and when i reflash our restore it gets to setup menú and reboot… i can enter download,fastboot and recovery but dont seem to stop it from rebooting..i dindt want to start a new thread.help please
Click to expand...
Click to collapse
Why would you try to convert LS998 to H930? North America variant should only be cross flashed to other North America variants, when using LGUP. Through LGUP, you can't completely Frankenstein a North American phone to a non-North American phone and at the worst you will have a brick.
You need to read the Frankenstein instructions on how to convert LS998 to US998. You either didn't flash US998 Nougat first or you didn't do the Master Reset step in between Nougat and Oreo:
ChazzMatt said:
FRANKENSTEIN - CONVERTING ANY NORTH AMERICA V30/V30+ (except T-mobile H932) TO US998 OREO
SHORT VERSION:
1) Go into download mode (power off completely, then hold volume up button while plugging in USB cable)
2) THEN open patched LGUP and flash NOUGAT US998 to DL PARTITION. In the pop up box "Select All". Use the attached patched LGUP in this post.
3) Master Reset (post 101)
4) Flash Oreo US998 in LGUP UPGRADE MODE. (Make SURE you are choosing Oreo US998 and not accidentally re-flashing Nougat US998 again!)
(For bootloader unlock purposes, use the US998 KDZ versions with pre-July 2018 security patch: 20a or 20b. You can always update to newer US998 firmware later, AFTER bootloader is unlocked.)
5) DONE.
NOTE: For Canadian H933 to convert to US998, @cre4per says you have to use DL Partition for both stages (Nougat and Oreo KDZ)
Click to expand...
Click to collapse
Those instructions work for all North American variants -- except T-mobile H932 -- but were written specifically with screenshots while me personally doing Sprint LS998.
________
neocyke said:
In between tho, try flashing the last US998 rom you used again but in refurbish mode instead of DL. I had an almost similar bootlooping issue last night and 2nd refurb flash got it to stop.
Click to expand...
Click to collapse
Refurbish has its uses. But to be honest I think you just didn't follow the Frankenstein directions. Master Reset stabilizes the bootlooping when flashing US998 Nougat before then flashing US998 Oreo. Has worked for everyone for over a year.
Unless the phone you got which you said was already Chinese Frankensteined was messed up due to whatever they did to it.
ChazzMatt said:
Refurbish has its uses. But to be honest I think you just didn't follow the Frankenstein directions. Master Reset stabilizes the bootlooping when flashing US998 Nougat before then flashing US998 Oreo. Has worked for everyone for over a year.
Unless the phone you got which you said was already Chinese Frankensteined was messed up due to whatever they did to it.
Click to expand...
Click to collapse
Honestly, i gots no idea how they did it and didn't really care at that point. Just needed to get the phone working again.
I actually did the master reset. Several times in fact. Never worked once. Longest it'd hold is for me to input wifi pw. It was the only other thing i could get to other than download mode.. I got the refurb step from either this or the WTF thread. Someone else had the same problem and refurb was their fix. Just so happens same for mine.. So, yeah..
I figured it out,but bricked that one lucky I have a spare and I didn't brick that one....but it wasn't de lg up our software. Through the process of reverting electricity went off in the process of flash and now is on black screen oh well
Is there a way to fix the bricked LG v30?

Help: Sitting in TWRP, No OS, No backup.

I'm currently sitting at TWRP and was going to restore my backup... it's gone. I was going to reboot to OS... TWRP warns me I have no OS installed.
In my tired state trying to solve an unrelated problem I must have killed my backup a few hours ago without noticing and then decided to use TWRP to format my phone so I could restore my backup... that I previously killed.
What can I do from this state? My brain is fried from hours of trying various troubleshooting threads across the internet and I'm just at a loss how to install the OS again without bricking and I don't want to make a mistake.
Appreciate the help. I do have US998820e_02_0910.kdz downloaded on my PC which is the latest KDZ I have downloaded.
teknomedic said:
I'm currently sitting at TWRP and was going to restore my backup... it's gone. I was going to reboot to OS... TWRP warns me I have no OS installed.
In my tired state trying to solve an unrelated problem I must have killed my backup a few hours ago without noticing and then decided to use TWRP to format my phone so I could restore my backup... that I previously killed.
What can I do from this state? My brain is fried from hours of trying various troubleshooting threads across the internet and I'm just at a loss how to install the OS again without bricking and I don't want to make a mistake.
Appreciate the help. I do have US998820e_02_0910.kdz downloaded on my PC which is the latest KDZ I have downloaded.
Click to expand...
Click to collapse
If you did format stuff and yur backup then nothing can help
Mrxyzl said:
If you did format stuff and yur backup then nothing can help
Click to expand...
Click to collapse
I feel that's not correct... could I not use LGUP or copy over a basic backup provided by someone here just to get me back to point where I can get back to stock?
If I plug the phone into the PC I can access the storage.... could I not copy something over and then use the running TWRP to install it?
teknomedic said:
I feel that's not correct... could I not use LGUP or copy over a basic backup provided by someone here just to get me back to point where I can get back to stock?
If I plug the phone into the PC I can access the storage.... could I not copy something over and then use the running TWRP to install it?
Click to expand...
Click to collapse
Oh i mean that your backup is already gone completely no way to get back your backup. And ofcourse you can flash a new rom anew
Lol, that's what I thought... But I'm also very tired.
Can I just copy over my KDZ and then install via TWRP? I've always just used backups in the past.
This is a secondary phone that was wiped before anyways so I haven't lost anything important.... The backup was only there to speed things up.
If you are in TWRP, connect to PC and drag over your firmware TWRP flashable zip and Magisk. And whatever else you need, maybe encryption disabler, root check disabler. With Oreo TWRP flashable zip (since you have US998), all you need is the zip file and Magisk.
In TWRP file explorer, find location where you just copied them. Then install them.
US998 20h TWRP flashable zip
https://androidfilehost.com/?fid=1395089523397941723
I've attached Magisk 18 to this post. You can update after you reboot to system. (TWRP 18.X is friendlier with Oreo TWRP-FLASHABLE zips.)
Sent via open market LG US998 V30/V30+
teknomedic said:
Lol, that's what I thought... But I'm also very tired.
Can I just copy over my KDZ and then install via TWRP? I've always just used backups in the past.
This is a secondary phone that was wiped before anyways so I haven't lost anything important.... The backup was only there to speed things up.
Click to expand...
Click to collapse
If your kdz is twrp flashable zip you can copy it over to your phone and flash via recovery.
If the kdz is not twrp flashable you will lose twrp/ root (if available) and will revert to stock recovery.
pvramk said:
If your kdz is twrp flashable zip you can copy it over to your phone and flash via recovery.
If the kdz is not twrp flashable you will lose twrp/ root (if available) and will revert to stock recovery.
Click to expand...
Click to collapse
Yes, TWRP flashable zip is available for his US998 phone.
See post above.
---------- Post added at 08:54 AM ---------- Previous post was at 08:45 AM ----------
teknomedic said:
Lol, that's what I thought... But I'm also very tired.
Can I just copy over my KDZ and then install via TWRP? I've always just used backups in the past.
This is a secondary phone that was wiped before anyways so I haven't lost anything important.... The backup was only there to speed things up.
Click to expand...
Click to collapse
No, don't copy over KDZ. Copy over the TWRP flashable zip version of the KDZ.
See my post above. I give download link to latest Oreo US998 TWRP flashable zip. Also Magisk. I attached that to the post. Flash both, then reboot.
Hey, at least you now have a VERY clean install! This is the technique some people do on purpose to start fresh.
Thank you ChazzMatt... why did I suspect you'd be my hero once again, ha.
ChazzMatt said:
If you are in TWRP, connect to PC and drag over your firmware TWRP flashable zip and Magisk. And whatever else you need, maybe encryption disabler, root check disabler. With Oreo TWRP flashable zip (since you have US998), all you need is the zip file and Magisk.
In TWRP file explorer, find location where you just copied them. Then install them.
US998 20h TWRP flashable zip
https://androidfilehost.com/?fid=1395089523397941723
I've attached Magisk 18 to this post. You can update after you reboot to system.
Sent via open market LG US998 V30/V30+
Click to expand...
Click to collapse
LOL... I wasn't opposed to starting fresh... that was my ultimate goal, but I've not been in this exact situation before as I've always kept my backups. Being tired and in a hurry was my downfall this time. I just didn't want to go any further without proper advice as I was worried about bricking and just wanted to double make sure I wouldn't do that on my next attempt to "fix" it alone.
ChazzMatt said:
Yes, TWRP flashable zip is available for his US998 phone.
See post above.
---------- Post added at 08:54 AM ---------- Previous post was at 08:45 AM ----------
No, don't copy over KDZ. Copy over the TWRP flashable zip version of the KDZ.
See my post above. I give download link to latest Oreo US998 TWRP flashable zip. Also Magisk. I attached that to the post. Flash both, then reboot.
Hey, at least you now have a VERY clean install! This is the technique some people do on purpose to start fresh.
Click to expand...
Click to collapse
There are basically several options here.
If you can still boot into fastboot or even TWRP there's nothing to fear. It's really hard to completely brick a phone anyways.
So as suggested either use a flashable kdz (you can even adb sideload it to avoid the copying) or just flash (or sideload) any other ROM. Good luck
teknomedic said:
I feel that's not correct... could I not use LGUP or copy over a basic backup provided by someone here just to get me back to point where I can get back to stock?
Click to expand...
Click to collapse
Connect the phone to the computer, and push a stock TWRP zip to the device and flash it. If you have an ad card port on the PC, then push it to the SD card and put it in the phone.
Sent from my LG-H932 using XDA Labs
NM, saw my man @ChazzMatt using his forum superhero Powers again.
Download any zip of your choice and reboot. Then let Google backup restore your apps and settings.
Running into a new issue... after flashing 20H TWRP and Magisk I rebooted the phone. Android OS did it's first install and I made it to the setup screen... then while I was typing in my wifi password the phone simply shut down (played the shutting down LG logo animation). I turned the phone back on and same results... after loading to the Android setup screen around 1 to 15 seconds later the phone shuts down again. Phone has never done this before.
Any thoughts?
I'm not sure if it matters, but this was originally a US Verizon V30 that I unlocked and rooted following the guides here which "converted" to a US998.
ChazzMatt said:
If you are in TWRP, connect to PC and drag over your firmware TWRP flashable zip and Magisk. And whatever else you need, maybe encryption disabler, root check disabler. With Oreo TWRP flashable zip (since you have US998), all you need is the zip file and Magisk.
In TWRP file explorer, find location where you just copied them. Then install them.
US998 20h TWRP flashable zip
https://androidfilehost.com/?fid=1395089523397941723
I've attached Magisk 18 to this post. You can update after you reboot to system. (TWRP 18.X is friendlier with Oreo TWRP-FLASHABLE zips.)
Sent via open market LG US998 V30/V30+
Click to expand...
Click to collapse
teknomedic said:
Running into a new issue... after flashing 20H TWRP and Magisk I rebooted the phone. Android OS did it's first install and I made it to the setup screen... then while I was typing in my wifi password the phone simply shut down (played the shutting down LG logo animation). I turned the phone back on and same results... after loading to the Android setup screen around 1 to 15 seconds later the phone shuts down again. Phone has never done this before.
Any thoughts?
I'm not sure if it matters, but this was originally a US Verizon V30 that I unlocked and rooted following the guides here which "converted" to a US998.
Click to expand...
Click to collapse
Okay I think I know what the problem is... you may have to flash 20, F, g, H all back-to-back. Then reflash Magisk
Or flash the full 20h KDZ in LGUP , reinstall TWRP and reflash the three root files. Your choice.
The problem is there were so many changes between 20e and 20H with the TWRP flashable zips that you have to flash them all back to back to get the full firmware.
You can stack them in TWRP and flash them all at the same time followed by magisk.
lol... okay... I'll get to downloading, lol. Any recommended custom ROM suggestions? lol
ChazzMatt said:
Okay I think I know what the problem is... you may have to flash 20, F, g, H all back-to-back. Then reflash Magisk
Or flash the full 20h KDZ in LGUP , reinstall TWRP and reflash the three root files. Your choice.
The problem is there were so many changes between 20e and 20H with the TWRP flashable zips that you have to flash them all back to back to get the full firmware.
You can stack them in TWRP and flash them all at the same time followed by magisk.
Click to expand...
Click to collapse
teknomedic said:
lol... okay... I'll get to downloading, lol. Any recommended custom ROM suggestions? lol
Click to expand...
Click to collapse
Sorry, no, I'm still running rooted stock firmware. But others who use custom ROMs may have suggestions for your gaming issue, mentioned in your PM.
Check this out below and see if it helps you any.
https://forum.xda-developers.com/lg-v30/how-to/guide-enable-gps-change-rubber-banding-t3889811
Sent via open market LG US998 V30/V30+
I downloaded and installed ROM 20E from this thread under older zips.... https://forum.xda-developers.com/lg-v30/development/rom-fw-us99820e-twrp-zip-t3868415
still doing the same behavior. First boot Android does setup, then if I let it sit a few seconds it shuts down and reboots, gets to Android and then shuts down again... over and over.
ChazzMatt said:
Sorry, no, I'm still running rooted stock firmware. But others who use custom ROMs may have suggestions for your gaming issue, mentioned in your PM.
Check this out below and see if it helps you any.
https://forum.xda-developers.com/lg-v30/how-to/guide-enable-gps-change-rubber-banding-t3889811
Sent via open market LG US998 V30/V30+
Click to expand...
Click to collapse
Okay, think it's working. Having looked through the ROM maker's thread Magisk v18 is... needed? I previously installed a newer version (v19.2) which can cause this boot loop issue.... I also installed the ROM without any Magisk which still caused the boot loop which is why I wasn't thinking Magisk was the issue.... but after trying 20H with v18 Magisk... no more boot loop. Go figure.
teknomedic said:
I downloaded and installed ROM 20E from this thread under older zips.... https://forum.xda-developers.com/lg-v30/development/rom-fw-us99820e-twrp-zip-t3868415
still doing the same behavior. First boot Android does setup, then if I let it sit a few seconds it shuts down and reboots, gets to Android and then shuts down again... over and over.
Click to expand...
Click to collapse
teknomedic said:
Okay, think it's working. Having looked through the ROM maker's thread Magisk v18 is... needed? I previously installed a newer version (v19.2) which can cause this boot loop issue.... I also installed the ROM without any Magisk which still caused the boot loop which is why I wasn't thinking Magisk was the issue.... but after trying 20H with v18 Magisk... no more boot loop. Go figure.
Click to expand...
Click to collapse
Well, glad you got it working.
But the Magisk thing is why I had specifically attached Magisk 18 to my first post in this thread and said to use it... I even explained why.
I assumed you were using it.

Advanced power menu

Hey guys. I've noticed that recently my advance power menu app has started acting weird it seems to be losing root access. The only way to get it to work, is to open the app, at which point it's granted root access. It will work once. Each subsequent time it requires being opened again before it will work. I'm on stock rooted us998 20H, with latest magisk.
Ballroomblitz said:
Hey guys. I've noticed that recently my advance power menu app has started acting weird it seems to be losing root access. The only way to get it to work, is to open the app, at which point it's granted root access. It will work once. Each subsequent time it requires being opened again before it will work. I'm on stock rooted us998 20H, with latest magisk.
Click to expand...
Click to collapse
Which Magisk are you on? You can update to later, past 18.x now that you are on last Oreo. Maybe that will help.
Also with stock Pie (which you are not on), we found couldn't use Advanced Power Menu, so had to go back to using Reboot Recovery app shortcut like in the old days. So, you can install that as backup method to get to TWRP. Install, give it root privileges, make shortcut on the desktop.
My Advanced Power Menu is still working fine with Magisk 18.1, but trying to help you find a solution...
ChazzMatt said:
Which Magisk are you on? You can update to later, past 18.x now that you are on last Oreo. Maybe that will help.
Also with stock Pie (which you are not on), we found couldn't use Advanced Power Menu, so had to go back to using Reboot Recovery app shortcut like in the old days. So, you can install that as backup method to get to TWRP. Install, give it root privileges, make shortcut on the desktop.
My Advanced Power Menu is still working fine with Magisk 18.1, but trying to help you find a solution...
Click to expand...
Click to collapse
I had updated to 20.4. that may be part of the problem. I'm going to downgrade to 20.1 and see if that has any effect.
Thanks.
I tried going back to Magisk 20.0, but APM is still requiring that i provide it superuser rights everytime.
Just out of curiosity, if I wanted to completely clean my device and start fresh, what would you recommend?
Ballroomblitz said:
I tried going back to Magisk 20.0, but APM is still requiring that i provide it superuser rights everytime.
Just out of curiosity, if I wanted to completely clean my device and start fresh, what would you recommend?
Click to expand...
Click to collapse
Try one other thing. In TWRP, flash the Magisk uninstaller and then install Magisk 19.3 in TWRP.
When you went back to 20.0 did you flash the uninstaller in TWRP first?
ChazzMatt said:
Try one other thing. In TWRP, flash the Magisk uninstaller and then install Magisk 19.3 in TWRP.
When you went back to 20.0 did you flash the uninstaller in TWRP first?
Click to expand...
Click to collapse
I did. I haven't tried 19.3 yet. I'll give that a try. Something else going on that I don't understand. When I try to download files from someone's Google drive I keep getting an error message that drive has stopped unexpectedly. Don't know if it's related. No problems downloading on my laptop. AIX files FYI.
Ballroomblitz said:
I did. I haven't tried 19.3 yet. I'll give that a try. Something else going on that I don't understand. When I try to download files from someone's Google drive I keep getting an error message that drive has stopped unexpectedly. Don't know if it's related. No problems downloading on my laptop. AIX files FYI.
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Installed magisk uninstaller. Installed 19.3. APM still requires that I open it so it is granted root access before it works. Got to do it everytime for it to work. Still can't access files on drive either. Still wondering if I need to clean the phone and start over from scratch. I don't necessarily mind doing that. I've tried flashing us998 pie as well as vs996 pie and had issues with both. Now I just want things to work correctly on 20H. I did some kdz flashing after messing with the pie ROMs. I might have done some of that incorrectly.
Ballroomblitz said:
Installed magisk uninstaller. Installed 19.3. APM still requires that I open it so it is granted root access before it works. Got to do it everytime for it to work. Still can't access files on drive either. Still wondering if I need to clean the phone and start over from scratch. I don't necessarily mind doing that. I've tried flashing us998 pie as well as vs996 pie and had issues with both. Now I just want things to work correctly on 20H. I did some kdz flashing after messing with the pie ROMs. I might have done some of that incorrectly.
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Any other thoughts on this @ChazzMatt?
Ballroomblitz said:
Any other thoughts on this @ChazzMatt?
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Will answer tonight to give you range of options.
I simply open Magisk Manager | Modules and use the advanced reboot options there for the infrequent times I need to boot to recovery or bootloader.
Bawdy George said:
I simply open Magisk Manager | Modules and use the advanced reboot options there for the infrequent times I need to boot to recovery or bootloader.
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That's a good point. I don't reboot to recovery much myself. No real reason to. Outside of the occasional backup I might run, getting to recovery isn't regularly needed. As I mentioned to Chazz, however, I'm a little anal about things running the way they're supposed to on my phone. When I push the power button, I like to know that I have the option right then to select recovery without issue. I didn't have a good reason that explains why it no longer works, and that bugs me.
Bawdy George said:
I simply open Magisk Manager | Modules and use the advanced reboot options there for the infrequent times I need to boot to recovery or bootloader.
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Even easier way is Reboot Recovery app shortcut on desktop. Whereas, the Magisk Manager option is like 3 levels deep in that app.
We used this originally with Oreo, then I found the Advance Power Menu. But Advance Power Menu doesn't work with Pie, so for those KDZ I have to recommend this again:
STRONG SUGGESTION: After successfully doing all this, when you finally boot back to system, install an app like this to easily facilitate rebooting to TWRP recovery in the future: Recovery Reboot. Allow it root privileges when asked by Magisk and put icon shortcut on your desktop.
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Ballroomblitz said:
That's a good point. I don't reboot to recovery much myself. No real reason to. Outside of the occasional backup I might run, getting to recovery isn't regularly needed. As I mentioned to Chazz, however, I'm a little anal about things running the way they're supposed to on my phone. When I push the power button, I like to know that I have the option right then to select recovery without issue. I didn't have a good reason that explains why it no longer works, and that bugs me.
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Yeah, I can relate. I got my cheap used V30 with the express intention to tinker with it, and for the wired audio.
Ballroomblitz said:
I tried going back to Magisk 20.0, but APM is still requiring that i provide it superuser rights everytime.
Just out of curiosity, if I wanted to completely clean my device and start fresh, what would you recommend?
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Here are three options -- each one successively more powerful but also harder.
Option 1
Boot into TWRP. Go to Wipe, at bottom choose to Swipe to Factory Reset. You should still have Oreo US998 20h system installed. You aren't wiping internal memory. You will need to reflash Magisk before rebooting.
If you are slightly OCD, you will also reflash the other two root files -- Encryption Disabler (Disable_Dm-Verity_ForceEncrypt_08.18.2019.zip) and Root Check Disabler (AK3_RCTD_Remover.zip). You shouldn't NEED to do that -- as you are just factory resetting what you already have -- but I would rather do it and not need it, than not do it and then find out "Oh, for some reason you did need to do it". (You can find those two files in the Option 3 link.) Flash Magisk, then the Encryption Disabler, Root Check Disabler, then Magisk AGAIN. Then reboot.
Option 2.
Boot into TWRP. Go to Wipe, at bottom choose to Swipe to Factory Reset. Furthermore, wipe internal memory. You will be asked to confirm with YES. You will have no OS, so do NOT reboot from TWRP until you fix that. Before you use this option, you will need US998 Oreo 20e, 20f, 20g, 20g, 20h TWRP flashable zips + Magisk + Encryption Disabler + Root Check Disabler stored on microSD card ahead of time OR connect phone to PC while in TWRP mode and drag over all the files like with a flash drive. If you are depending on TWRP drag-and-drop to transfer files after wiping phone's internal memory, please test this functionality ahead of time. You don't want to wipe your internal memory and then find your phone TWRP can't see your PC via USB cable.
Flash all the TWRP flashable zips back-to-back, then flash Magisk, then the Encryption Disabler, Root Check Disabler, then Magisk AGAIN. Then reboot. You can "stack" them all to flash back-to-back in TWRP, then hit the install button and they will successively go through the list you create.
Option 3
Use Dev Patched LGUP to flash US998 20h Oreo KDZ in Refurbish mode. This will totally take you back to stock firmware, but you will still have unlocked bootloader. Then, follow this post instructions below to reinstall TWRP and root. It's basically Section 6 of WTF Instructions in a standalone post. IGNORE that it says it's for Pie. I wrote it for people who updated to Pie through KDZ and needed to reinstall TWRP. It will work for you on US998 20h Oreo.
INSTALL or REINSTALL TWRP on stock KDZ with ALREADY-UNLOCKED BOOTLOADER
https://forum.xda-developers.com/showpost.php?p=79972584&postcount=3285
ChazzMatt said:
Option 1
Boot into TWRP. Go to Wipe, at bottom choose to Swipe to Factory Reset. You should still have Oreo US998 20h system installed. You aren't wiping internal memory. You will need to reflash Magisk. If you are slightly OCD, you will reflash the other two root files also -- encyrption disabler and root check disabler. You shouldn't NEED to do that, but I would rather do it and not need it, than not do it and then find out "oh, for some reason you did need to do it".
Option 2.
Boot into TWRP. Go to Wipe, at bottom choose to Swipe to Factory Reset. Furthermore, wipe internal memory. You will be asked to confirm with YES. You will have no OS. So, before you do this, you will need US998 Oreo 20e, 20f, 20g, 20g, 20h TWRP flashable zips + Magisk + encryption disabler + root check disabler on microSD card ahead of time or connect phone to PC while in TWRP mode and drag over like a flash drive. If you are depending on TWRP drag and drop, test this functionality ahead of time. You don't want to wipe your internal memory and find your phone TWRP can't see your PC via USB cable.
Flash all the TWRP flashable zips back to back, then flash Magisk, then the encryption disabler, root check disabler, then Magisk again. Then reboot.
Option 3
Use Dev Patched LGUP to flash US998 20h Oreo KDZ in Refurbish mode. This will totally take you back to stock firmware, but you will still have unlocked bootloader. Follow this post to reinstall TWRP and root. It's basically Section 6 of WTF Instructions in a standalone thread. IGNORE that it says it's for Pie. I wrote it for people who updated to Pie through KDZ and needed to reinstall TWRP. It will work for you on US998 20h Oreo.
INSTALL or REINSTALL TWRP on stock KDZ with ALREADY-UNLOCKED BOOTLOADER
https://forum.xda-developers.com/showpost.php?p=79972584&postcount=3285
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Man! Don't know what to say, but thank you for taking the time to provide such an in-depth assist. I'll start picking away tomorrow, and let you know what happens.

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