can't boot to bootloader and enable oem unlock - LG V30 Questions & Answers

in stall twrp.....before can Bootable
I tried but failed
1 volume down+connect
2adb reboot bootloader
3boot twrp =reset phone
Failed all three commands
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sandking707 said:
in stall twrp.....before can Bootable
I tried but failed
1 volume down+connect
2adb reboot bootloader
3boot twrp =reset phone
Failed all three commands
Click to expand...
Click to collapse
What phone do you have? V30 is not the correct answer.
Are you saying you have installed TWRP or trying to install TWRP? Please write complete sentences.
If you used the WTF INSTRUCTIONS, I tell you how to boot to TWRP the first time. And it's not any you have listed.

It's a bit confusing what yer trying to do... to me anyway.
But... your developer options indicate the 'Bootloader is already unlocked'...
So, what are you trying to do? unlock it again? just get to bootloader?

AsItLies said:
It's a bit confusing what yer trying to do... to me anyway.
But... your developer options indicate the 'Bootloader is already unlocked'...
So, what are you trying to do? unlock it again? just get to bootloader?
Click to expand...
Click to collapse
Yeah, his bootloader is already unlocked. I assume he trying to boot to TWRP custom recovery and he's calling it the bootloader, for some unknown reason.
But I also want to know what variant he has...
In WTF I tell how to boot to TWRP using fastboot commands.

ChazzMatt said:
What phone do you have? V30 is not the correct answer.
Are you saying you have installed TWRP or trying to install TWRP? Please write complete sentences.
If you used the WTF INSTRUCTIONS, I tell you how to boot to TWRP the first time. And it's not any you have listed.
Click to expand...
Click to collapse
Yes, lg v300l, I pandan TWRP and it's complete But after I install ron us998, made brick. I fixed it with box and it caused this problem.

AsItLies said:
It's a bit confusing what yer trying to do... to me anyway.
But... your developer options indicate the 'Bootloader is already unlocked'...
So, what are you trying to do? unlock it again? just get to bootloader?
Click to expand...
Click to collapse
I want to relock bootloader

sandking707 said:
I want to relock bootloader
Click to expand...
Click to collapse
You need fastboot flash commands. If you can't even ADB to bootloader, your "box" fix did not work to make it be complete US998.
Go into download mode and install H930 KDZ. Just like WTF tells you to do with Korean models to get fastboot flash commands. Then ADB to bootloader.

Related

Bootloader question

Can anyone confirm if Euro version of G5 has unlocked bootloader ?
If yes are we going to see same leven of developement as 6p for this phone ?
I'll be checking when I get mine.
Could well be locked with option to unlock through LG dev site like EU G4 though...
i seriously cant wait for the arrival of mine..
ofc i'll check for flashability
well i've got mine now. i have yet to figure out if its locked or not.
isn't there some fastboot keypress combination anymore? seems like i'm unable to get into fastboot at all.
ok.. installed the lg usb driver..
using adb reboot fastboot..
reboots to android
using adb reboot bootloader..
boots into the bootloader <3
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seems locked but unlockable :/
From the LG Developer Forum:
Hello,
We are planning to support bootloader unlocking for LG G5 for the European market with model number H850 soon.
It will be available this month.
When it's ready, we will let you know via our website.
Thank you.
Click to expand...
Click to collapse
The EU version is locked out of the box, but some folks are getting email responses from LG stating that they have plans to unlock that version in the near future. They also state that there are no plans to unlock any other variant.
uh. two posts since i edited mine. i managed to get into the bootloader and provided a screen scan (using a scanner.. srsly..)
How come the fastboot oem unlock or fastboot flashing unlock commands don't work on the international model? or is it just me!
LBensley said:
How come the fastboot oem unlock or fastboot flashing unlock commands don't work on the international model? or is it just me!
Click to expand...
Click to collapse
Because the bootloader is locked.
Read the thread.
nobnut said:
Because the bootloader is locked.
Read the thread.
Click to expand...
Click to collapse
i just thought it was similar to the t mobile version where you could unlock however dm verify stops from flashing anything
T-Mobile USA variant has a "semi unlocked bootloader" because you can Unlock it successfully but only write commands on fastboot are disabled
.... Still for few time

If you are unable to get into recovery mode does this mean bootloader is unlocked?

Hello.
How are you?
I have a phone Redmi 4x and I planned to root it. So after I purchased it , I checked if the bootloader is unlocked with two methods, from pc and from Setting menu and at both places , it seem unlocked.
I saw the device has no recovery mode installed.
So can someone please confirm if the bootloader is unlocked or no?
If you can't access recovery, that does not mean your bootloader is locked, they're 2 different partitions.
In fastboot, do "fastboot oem unlock" and see what that tells you.
alnix said:
Hello.
How are you?
I have a phone Redmi 4x and I planned to root it. So after I purchased it , I checked if the bootloader is unlocked with two methods, from pc and from Setting menu and at both places , it seem unlocked.
I saw the device has no recovery mode installed.
So can someone please confirm if the bootloader is unlocked or no?
Click to expand...
Click to collapse
Bootloader locked or not, recovery mode is always accessible. If you can't nail the button combination, use a method that will always word - adb
open adb
type:
Code:
adb devices
confirms your phone drivers are installed.
Code:
adb reboot recovery
you ll boot to recovery. If you can't see anything means stock recovery doesnt have an interface. Then just flash another recovery.
To check bootloader:
Code:
fastboot oem device-info
To unlock bootloader :
Code:
fastboot oem unlock
reboot:
Code:
fastboot reboot
to temporarily flash a recover.img :
Code:
fastboot boot "path/to/recovery.img"
Thats everything you need to solve your problem.
Hit thanks if it helped
ramiabouzahra said:
If you can't access recovery, that does not mean your bootloader is locked, they're 2 different partitions.
In fastboot, do "fastboot oem unlock" and see what that tells you.
Click to expand...
Click to collapse
What is it suppossed to tell when it is unlocked?
I have a photo of it but I do not know how to post it in here
alnix said:
What is it suppossed to tell when it is unlocked?
I have a photo of it but I do not know how to post it in here
Click to expand...
Click to collapse
upload it some where
then beside the post box , press `go advanced`
you must see a pic symbol in the toolbox
-Hope- said:
upload it some where
then beside the post box , press `go advanced`
you must see a pic symbol in the toolbox
Click to expand...
Click to collapse
I added it in here
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alnix said:
I added it in here
Click to expand...
Click to collapse
Here the link https://photos.app.goo.gl/J2I4sKPYstkSLs3h2
https://photos.app.goo.gl/J2I4sKPYstkSLs3h2
alnix said:
Here the link https://photos.app.goo.gl/J2I4sKPYstkSLs3h2
Click to expand...
Click to collapse

Bootloader Unlock for MTK device(MT6592)

Greetings, I own a tablet that has MT6592 Chipset. It has CPU (Cortex A7) and GPU(Mali-450).
It runs on kitkat 4.4.2. I want to flash a Custom ROM on it.
I have the Custom ROM File, but i am unable to unlock the bootloader to install TWRP(Easy TWRP maker).
Using ADB i tried to unlock the bootloader.
I typed in the command : fastboot oem unlock ,
Then i get a message on my screen saying, "Press Volume up to unlock (This will void warranty)"
When i do so, it shows a fail message.
Image 1:
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"lightbox_share": "Share",
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So any help would be appreciable
PS: I tried consequently 5 times, still no hope.
Image 2:
Reyscode said:
Greetings, I own a tablet that has MT6592 Chipset. It has CPU (Cortex A7) and GPU(Mali-450).
It runs on kitkat 4.4.2. I want to flash a Custom ROM on it.
I have the Custom ROM File, but i am unable to unlock the bootloader to install TWRP(Easy TWRP maker).
Using ADB i tried to unlock the bootloader.
I typed in the command : fastboot oem unlock ,
Then i get a message on my screen saying, "Press Volume up to unlock (This will void warranty)"
When i do so, it shows a fail message.
Image 1:
So any help would be appreciable
PS: I tried consequently 5 times, still no hope.
Image 2:
Click to expand...
Click to collapse
Try fastboot OEM unlock-go and see if it works
Ashley david said:
Try fastboot OEM unlock-go and see if it works
Click to expand...
Click to collapse
I still get the same fail message. Please give me a another solution. I need to unlock the bootloader to install twrp and then flash Custom ROM
Reyscode said:
I still get the same fail message. Please give me a another solution. I need to unlock the bootloader to install twrp and then flash Custom ROM
Click to expand...
Click to collapse
I think you haven't installed correct fastboot drivers.
This "bug" is known at some MTK-devices. There are some solutions for a few devices, by using patched boot.img, but none for this. Did you find a solution yet?

Question Error in locking bootloader.

Hi I am getting an error when trying to relock the bootloader, I reboot into bootloader put in the command to lock "Fastboot flashing lock" get the error below in the image. Any idea why?
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Have you restored the full stock firmware? If not then do that first using: https://pixelrepair.withgoogle.com/carrier_selection
foobar66 said:
Have you restored the full stock firmware? If not then do that first using: https://pixelrepair.withgoogle.com/carrier_selection
Click to expand...
Click to collapse
I don't recommend using the Pixel Repair Tool unless absolutely necessary.
If you are trying to return your device to absolute stock, I recommend using the Android Flash Tool. You can choose which factory build to flash, whether to wipe the device, and whether to relock the bootloader.
aymuhamm said:
Hi I am getting an error when trying to relock the bootloader, I reboot into bootloader put in the command to lock "Fastboot flashing lock" get the error below in the image. Any idea why?
View attachment 5475895
Click to expand...
Click to collapse
It is likely that you rooted your phone at one point, or perhaps flashed an alternative operating system which does not support verified boot.
Traditionally but not in all cases, re-locking your bootloader requires you to be unequivocally 100% stock. If you plan on being on stock and you are not (which I am assuming), you can either follow the # Flashing Instructions steps on the Nexus/Pixel Factory Images page. If you find that a bit tedious, there is always the flash-all.sh/flash-all.bat which will do this all for you.
After this, your device will be set straight back to factory, and you can follow the steps to re-lock your bootloader.
VozerCozer said:
It is likely that you rooted your phone at one point, or perhaps flashed an alternative operating system which does not support verified boot.
Traditionally but not in all cases, re-locking your bootloader requires you to be unequivocally 100% stock. If you plan on being on stock and you are not (which I am assuming), you can either follow the # Flashing Instructions steps on the Nexus/Pixel Factory Images page. If you find that a bit tedious, there is always the flash-all.sh/flash-all.bat which will do this all for you.
After this, your device will be set straight back to factory, and you can follow the steps to re-lock your bootloader
Click to expand...
Click to collapse
This is why I like to recommend the Android Flash Tool - simply from a perspective of ease of use, and the fact it's practically impossible to get wrong; additionally, the user can elect to lock the bootloader during the process when choosing the flash options. This removes the need to do anything else manually; the tool takes care of the entire process.
It's also very useful for updates.

Stuck on bootloader, unable to enter recovery

Appreciate anyone who can help! I was tooling around trying to unlock my AT&T locked SD1 but was basically unable to get it working. So I decided to undo everything with a factory reset and relock the bootloader...and that's when I bricked my device.
I am unable to go past the bootloader screen and unable to either Start the device or enter Recovery Mode.
Not sure how else to proceed.
So, is the bootloader currently locked?
Does fastboot flashing unlock work?
Renate said:
So, is the bootloader currently locked?
Does fastboot flashing unlock work?
Click to expand...
Click to collapse
Unfortunately, no. Adb is no longer recognising the device and I'm stuck in boot select screen unable to even Start or enter Recovery Mode.
Bootloader is currently locked.
Not that it does a lot of good, but you can see fastboot?
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This is what I see.
I think you are out of luck until the firehose programer for the DUO out. I got the same device like this. Maybe boot.img is broken for the device, or recovery partition got messed up. Basically the device have to restore from the ground up.
Sadly MSFT does not provide a restore solution other than the recovery image which the device have to enter the recovery mode at least.
JimmyRespawn said:
I think you are out of luck until the firehose programer for the DUO out. I got the same device like this. Maybe boot.img is broken for the device, or recovery partition got messed up. Basically the device have to restore from the ground up.
Sadly MSFT does not provide a restore solution other than the recovery image which the device have to enter the recovery mode at least.
Click to expand...
Click to collapse
I was worried you'd say something like that. Down in the dumps.
May be this can help you?
https://www.reddit.com/r/surfaceduo/comments/wn5joi
Sharkam said:
May be this can help you?
https://www.reddit.com/r/surfaceduo/comments/wn5joi
Click to expand...
Click to collapse
What in the name of all things holy?! Man, I'm gonna have to look deep into this and figure it out. Problem is, I am not nearly as smart as that guy which is itself gonna be a huge challenge. That said, I do have all the patched imgs on my desktop...so perhaps there is a way back. IF I can figure out the process as laid out here.
Thanks for this pal at least it helps.
im here with you i need bootimg from 2022.823.41 ota went threw now stuck.. im on the duo 2
This is the duo 1 forum.
There is a duo 2 forum, but it is less active.
did u tryed
`fastboot reboot recovery`
yes .. it just falls back to bl .. I need the boot.img from 2022.823.41 update . I tried to capture the link but it flashed before I told it.
this is the duo2 btw
Me too I have the same issue. Did you found how to fix it ?

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