VS990 Alternative Boot-loop, USB, Hard Brick Fix..? Future Project - LG V10 Q&A, Help & Troubleshooting

Just bought this huge phone as a backup for my Verizon 32GB M8.. So I bought this as a good project... But..
*It's bootlooping. Was 50/50 Successful with the freezer thing.
* Doesn't really overheat. Sometimes able to boot into Safe mode but sometimes would suddenly power down.
* Having difficulties trying to connect to my windows 8 computer. (The closest I can get to windows 10 on my old Compaq desktop computer)
* Having trouble with download mode.. LG bridge.. etc.. Dont know what other drivers I need besides the LG driver.. adb? Mtp? Etc?
*After this project I will than create a LG G6 Rom for the V10. Any volunteers and help for me? Any takers?

Update
After again sitting in the freezer it's coming back to life. Just taking baby steps. Left it sit for awhile.. next step is the hair dryer.. but you is on somewhat a time. To get rooted and flash the only rom that's available for your phone.

mine just crapped the bed an hour ago into the infamous bootloop...ill try freezer

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Help g-tablet help help help

All,
I have to say thanks for the help in advance, well I'm in the military and I have never done anything to my G-tablet. All I used it for was to OOVOO and talk with my kids when I am in the DESERT Guys over there are always doing crazy stuff to theirs and crazy stuff always happens to them, some good some bad. :cyclops: Well here it goes my brother-in-law took my tablet without my knowledge and decided he would upgrade me to a better system :crying::crying::crying::crying: well he killed it!!!!!!! and I leave to go back to the desert in a week or so. He says something must of been wrong with it before he touched it, yeah likely story!!! it worked fine when I used it last. I have to say I have little knowledge on how to do things to this tablet IE rooting roms and all of that stuff, not saying I'm not willing to learn just very dumb when it comes to doing it. I'm one of those give it to me step by step by step
So this is what I have done so far
1. I plug it in to my Computer Windows Vista Home premium 64 bit system and it does not recognize it.
2. I opened it up and have disconnected the internal battery cord and plugged it back in still no life
3. I pressed the little white button and no reset happened
4. Held down the power button and down sound button and (3 birds ViewSonic - Detect a recovery key pressed - Booting recovery kernel image) popped up then nothing it just sits like that.
5. I have also let the battery completely drain to zero then charge it back up and still nothing.
Please help me and I'm sorry if I've been rambling on but talking to my kids when I'm deployed is the only thing I look forward to doing when I'm in the desert, Once again I would like to thank the smart guys on this forum for helping us not sooooo smart ones with our problems.
desert G-TABLET said:
All,
I have to say thanks for the help in advance, well I'm in the military and I have never done anything to my G-tablet. All I used it for was to OOVOO and talk with my kids when I am in the DESERT Guys over there are always doing crazy stuff to theirs and crazy stuff always happens to them, some good some bad. :cyclops: Well here it goes my brother-in-law took my tablet without my knowledge and decided he would upgrade me to a better system :crying::crying::crying::crying: well he killed it!!!!!!! and I leave to go back to the desert in a week or so. He says something must of been wrong with it before he touched it, yeah likely story!!! it worked fine when I used it last. I have to say I have little knowledge on how to do things to this tablet IE rooting roms and all of that stuff, not saying I'm not willing to learn just very dumb when it comes to doing it. I'm one of those give it to me step by step by step
So this is what I have done so far
1. I plug it in to my Computer Windows Vista Home premium 64 bit system and it does not recognize it.
2. I opened it up and have disconnected the internal battery cord and plugged it back in still no life
3. I pressed the little white button and no reset happened
4. Held down the power button and down sound button and (3 birds ViewSonic - Detect a recovery key pressed - Booting recovery kernel image) popped up then nothing it just sits like that.
5. I have also let the battery completely drain to zero then charge it back up and still nothing.
Please help me and I'm sorry if I've been rambling on but talking to my kids when I'm deployed is the only thing I look forward to doing when I'm in the desert, Once again I would like to thank the smart guys on this forum for helping us not sooooo smart ones with our problems.
Click to expand...
Click to collapse
1.- Try other windows version, works fine on Windows 7 x32 / x64 - tested my self
3.- wich white reset button? i never saw it !
4.- You tried POWER+VOLUME (+)? - POWER+VOLUME(-)?(this its for nvflash as far i know, im also a begginer)
Your tab is not dead, but it is not properly flashed either. If you hold power and Vol UP and it shows booting recovery but doesnt boot it, then there is a bad recovery flashed, or none at all. To fix this, you will have to NVFLASH a recovery/OS on it. There are better than stock OS's but since you need it for webchating with family I would suggest Frankentab.
Download this file:
http://teamdrh.com/DRH-Downloads/Full_Stock_NVFlash_CWM_5504_Touch.zip
Then extract it somewhere you can find it.
Using a usb Male to usb mini cable, the one that came with your tablet, plug your tab into your computer (tab turned off)
Hold down the VOL DOWN button and press power button and hold it too. The three birds should pop up, then go away, black screen.
After black screen, computer will say found new hardware. You must manually choose the drivers needed, and their location will be in a folder titled "flash usb drivers" and it is inside the folder you downloaded and extracted.
After the drivers are installed, without turning anything off, run the file nvflash_gtablet.bat which is inside the extracted folder you downloaded. This will take a while, but once it is done, you can turn off and turn back on your tablet. After a few minutes, it should completely boot back into a stock ROM.
If you are cool with this, then you are done. If you would like to run something MUCH FASTER then let me know when you get to this point and I will show you how to accomplish this. If you run into any problems report back and I or someone will help.
Just had this problem on a new (well refurbished) gTab I got during black Friday. Works great and is not hard to fix the issue once in APX. hardest part was getting the drivers installed (running win 7 x64).
I had to go to the CWM page to download the correct version of the recovery, the version listed in the guide is outdated, or not listed that it is for 1.1 only and not 1.2.
Seems like a great tablet, can't wait to get using it. Thanks!
camman85 said:
Just had this problem on a new (well refurbished) gTab I got during black Friday. Works great and is not hard to fix the issue once in APX. hardest part was getting the drivers installed (running win 7 x64).
I had to go to the CWM page to download the correct version of the recovery, the version listed in the guide is outdated, or not listed that it is for 1.1 only and not 1.2.
Seems like a great tablet, can't wait to get using it. Thanks!
Click to expand...
Click to collapse
do you remember where you downloaded the right recovery version for windows 7 ?

[Q] How to diagnose (and hopefully revive) a dead Amaze

Hello ladies and gents,
I am trying to help my fiancee revive her completely dead Amaze. This phone, unlike my own, is completely stock. No recovery or ROM flashing or S-off etc. It's straight from Wind Mobile (though around 22 months old at this point).
What happened: Phone was low on battery, so it was left plugged in to charge. Seemed fine. Going back to it a couple hours later, and it was died, which was odd since it was plugged in. Now it does not turn on at all (no HTC or carrier splash, recovery boot [vol down + pwr] does nothing), and the LED behind the speaker does not illuminate to indicate charging (no flashing, either).
Plugged into my computer, I get the "QHSUSB_DLOAD" device identifier, but using the brickdetect.sh script from the Unbricker thread doesn't detect anything. Likely because this has nothing to do with S-off bricking, but since I found that thread via the QHS string, I figured trying to detect it was worth a shot.
I would really love to be able to revive this device. The fiancee is back in school right now, so my income is the only one. Spending several hundred dollars on a new phone is just a kick in the pants while trying to manage already frightening wedding-related expenses. :/
What I have tried:
- Tried cleaning the battery terminals (battery and phone side) on my device
- Tried charging both on USB and wall charger for several hours (no change, no LED, no boot, no recovery boot)
- At my carriers store, I tested a known-good battery in our device, same behaviour
- Tested our battery in a known-good Amaze, after after a longer initial charge (battery was completely flat), that device booted with our battery.
- Tried booting into recovery, no luck
- Tried following steps in several other XDA Amaze and Sensation threads, and didn't get anywhere.
- I've ordered a new battery and external charger, but I'm not hopeful due to the above testing
What I haven't tried:
- Because I am still trying to get my Credit Card Extended Warranty to cover repair replacement, I have not opened the insides of the device. This thread proposes removing and replacing a battery on the mobo to get it to reset itself. I have not tried this yet.
- Anything to do with JTAG. While I've flashed ROMs and such myself many times on my own devices, I've never ventured into JTAG territory before.
What I want to know:
- Primary: What else can I try to diagnose what is wrong with this Amaze, and if it is recoverable?
- Secondary: Unfortunately we have photos on the internal memory (not SD-card) that are not backed up. If the phone cannot be revived, is there any way for me to get into the internal storage to try to recover those photos? This would be more of a challenge project. We can live without the photos, though she'll be disappointed. I'll be the hero if I can get them back, even if it means destroying the device permanently.
Thanks in advance for anyone who may have suggestions. I'm heading to bed for the night, but I'll check this tomorrow and test out any theories.
Does anybody have any theories I can test out aside from some sort of hardware failure on the mainboard?
What OS are you running on your computer. Try looking for the device in Ubuntu, maybe it'll find it there.
Windows 8 and 8.1 have issues with the drivers and software.
Darin_Ram said:
What OS are you running on your computer. Try looking for the device in Ubuntu, maybe it'll find it there.
Windows 8 and 8.1 have issues with the drivers and software.
Click to expand...
Click to collapse
I'm using Windows 7 (64-bit), but I also tried using the Ubuntu 10.04 based Live CD (PHToolz?) from the Unbricking thread, and it didn't detect anything at all (tried with and without automount enabled).
Reading what you said again, I'd say that it's a manufacture defect. It could be a wide list of things actually, hard to pinpoint.
In regards to recovering your photos and other files on the phone's storage itself, I don't think you can recover it at all.
The best bet right now is to get it exchanged if it's still under warranty (I'm assuming you didn't void the warranty by unlocking bootloader, attaining S-Off or flashing any custom roms/kernels/incompatible zip files e.g. A rom meant for another phone)
If it has warranty, don't give up hope.

[Q] help.. Stuck on LG screen + S/W mode not working

Long story short, I got my phone rooted and decided to try putting kitkat on it using the L9 Recovery Tool found on these forums. I had SuperSu, Busybox, etc.. all working fine until I attempted to reboot using the Recovery Tool. At first, the LEDs would not blink and was able to get to the Android screen but then it just boot cycles. I did something and now when I bootup, the LEDs blink but I am unable to get into Recovery using the minus volume button. If I let it boot normally, I get to the T-Mobile logo and then I get stuck at an Encryption screen with a reset phone button. Obviously the reset button does nothing but just put me back into the same cycle. Now If I press volume down during the blinking sequence, it just sits at the LG logo screen and nothing will happen (i let it sit for hours).
So... I have been searching and searching how to "unbrick" this thing. I have followed the UNBRICk tutorial for the L9 using these forums. I have downloaded the HTTPS LG server software, LG Update Tool software, the 20h_00.KDAZ, etc... I can get the phone to boot into S/W Upgrade mode but the LG software stops at 15% and says my USB is not connected (even though it is). I have re-installed all LG/USB drivers - rebooted - same thing. I tried to update the LG software but I think it's at the latest version.
Basically, I am out of idea's now. I actually bricked the phone yesterday morning and spent all day and all night researching this. I am pretty confident tech geek but I think I am over my head on this one. If the LG Software is not working does that mean it IS bricked? Sorry this is my first time attempting this and obviously I did something wrong...
I have not brought it into T-Mobile because this phone has no warranty and is not purchased through them.
My specs:
T-Mobile (US)
LG P769-20h (updated OTA)
Android 4.1.2
Walmart Prepaid phone (I use my own non-smart sim cut to fit phone)
Hard reset did nothing as well ( Vol Down, Home, PWR keycombo)
I also tried leaving the USB unplugged while still in S/W mode to see if PC would reload drivers (which it did) but still not recognizing the phone as connected to PC
same here bro...even the phone is not getting detected at the service center !!!:crying:
I forgot to mention... at the Encryption screen, I get a popup saying com.android.phone has stopped or something along those lines and then I have to press OK.
Let me just say the whole reason I did this was to justify purchasing a new Android Wear device that requires Android 4.3 or higher but now I am really regretting not doing my homework on this....
@Techgod, I may just end up getting the L90 (prepaid) at Walmart for $160 and sticking my SIM in it until I can get this P769 working again. I am going to bring it into work tomorrow and let the Engineers mess around with it... It can't get any worse right?
The L90 comes with KitKat 4.4 and basically same specs as the P769.
Solution: L90 in hand. Not sold in stores at Walmart but Best Buy had plenty in stock.
Not gonna lie, KitKat is a bit different and I actually prefer the old P769 with JB but oh well. I do like the built-in TV/Cable remote app. Now I can really control Chromecast/Cable/TV with just the phone... goodbye multiple remotes
I still am working on fixing the P769 for use as DIC in my in my truck with ELM bluetooth adapter + torque pro app
Are you sure you're going into recovery/download mode correctly? I had a similar issue, but its fixed now. (In fact I'm sending this on my previously bricked phone.) I am pretty sure download mode is different for LG devices. Power the phone off. Now make sure your PC is on, with the LG mobile support program open. Now plug in the usb end of your cable to the PC, but not your phone. Now hold the volume up button on your phone. While holding that, plug the other end into the phone. It should then show the lg screen, and boot into software upgrade mode. Your computer should install the drivers now Then in the LG support tool, once it says the phone is connected, click the top right dropdown, and do the update option. Hope this helps and good luck!
Sent from my LG-P769 using XDA Free mobile app
Sent from my LG-P769 using XDA Free mobile app
There was a defect in the usb socket.....and thats why it was not detecting.....now it got solved in just rs.250 when i took it to local repair shop !!!
Bacon_Noodles said:
Are you sure you're going into recovery/download mode correctly? I had a similar issue, but its fixed now. (In fact I'm sending this on my previously bricked phone.) I am pretty sure download mode is different for LG devices. Power the phone off. Now make sure your PC is on, with the LG mobile support program open. Now plug in the usb end of your cable to the PC, but not your phone. Now hold the volume up button on your phone. While holding that, plug the other end into the phone. It should then show the lg screen, and boot into software upgrade mode. Your computer should install the drivers now Then in the LG support tool, once it says the phone is connected, click the top right dropdown, and do the update option. Hope this helps and good luck!
Sent from my LG-P769 using XDA Free mobile app
Sent from my LG-P769 using XDA Free mobile app
Click to expand...
Click to collapse
I am taking out the battery, holding up volume and plugging in the USB to PC. I am not sure if it shows the LG screen first but it goes into S/W Upgrade mode. It shows a grey cicle with 2 yellow arrows inside like a recycle symbol.
It says:
S/W Upgrade
Please wait
while upgrading...
The PC drivers download fine and install. I can see my phone model in the USB description. But when I run the LG software (as administrator) it stops at 15% and says Phone is not connected and then restarts, fails again, repeat..
Not sure what else I can try to do. Any suggestions?
Maybe use another USB cable? It could be broken is some way.
LG L9-P760 /TapatalkVIP 4.7.3 /4.4.4KK AxxionKat 1.4.0 by @Xerdox
optimus crime said:
I am taking out the battery, holding up volume and plugging in the USB to PC. I am not sure if it shows the LG screen first but it goes into S/W Upgrade mode. It shows a grey cicle with 2 yellow arrows inside like a recycle symbol.
It says:
S/W Upgrade
Please wait
while upgrading...
The PC drivers download fine and install. I can see my phone model in the USB description. But when I run the LG software (as administrator) it stops at 15% and says Phone is not connected and then restarts, fails again, repeat..
Not sure what else I can try to do. Any suggestions?
Click to expand...
Click to collapse
Have you tried flashing the ICS u and x with the @Lelus fastboot method? It does the 15% thing when the software detects JB u and x.
Sent from my LG-D415 using Tapatalk

Need help to unbrick LG G3

So I am new to this forum and need help. I was trying to downgrade my LG G3 on Sprint from Lollipop (5.0.1) to stock firmware, however when trying to use the LG Flash Tool, it kept coming up with Fail USB open port fail. I figured that switching the ports might help, but it kept coming up with the same error message.
I am considering installing Cyanogenmod, but that is like the last ditch effort for me. I do not want to void the warranty yet (ive only had the phone for a few months now). I should have just hit factory default, but wasn't sure how far back it would've taken my phone. The latest version has been pissing me off when it came to the sporatic battery life drains. I now have learned my lesson on that, but would appreciate any help when it comes to getting my phone hopefully back to stock settings. I am gonna take my laptop to a local coffee shop in hopes that I can get some success on it. All the work has been on my desktop. I think the software hates my mobo or something.
I wanted to add that the beginning screen that shows the DBMS, which button am I supposed to select?

Bricked my phone, really bricked, hard bricked.

Last week I learned a very important lesson. When the OP says wait, the initial boot may take a while, they mean wait. I flashed Super6 using Flash Fire. I used to use Super6 and loved it and wanted to relive the old days. During the boot process I saw the blue light flashing (pulsing) for a while, so I left it alone. After about 15 minutes I got impatient and pulled the battery. Big mistake, HUGE MISTAKE. I was thinking it would reboot and go back to the rom I was running. Boy was I wrong. I know most of you are thinking, "you idiot, why would you do that?" Like I said I got inpatient and truly lost track of time. That hard bricked my phone. The phone no longer boots, to any point. I think when I pulled the battery it wiped the boot.img and that bricked the phone. I am usually pretty patient when flashing custom rom, because they are re-writing the OS. I don't know why I pulled the battery. I can't blame anyone but myself for such a bone head move. I have learned from hours of on-line research that the phone is repairable, with a new mother board. Thankfully I have a friend with a Galaxy S4 that he is not using and is willing to help me out. I would upgrade to the S6, but I have so many accessories for the S4 that I don't want to give up. I know at some point I will have to since support for the S4 will eventually end.
Thanks for listening (reading). I wanted to share my woe's so other people don't make the same mistake I made.
Once I get my phone back up I will confirm that the mother board fix worked.
Did you try to get to QDL mode? Pull the battery and press volume up when connected to a computer, I think. I turned off my n9 during the first boot after flash. Thought I was hard bricked but turned out my charger was bad. Hope I helped
whowatchlist said:
Did you try to get to QDL mode? Pull the battery and press volume up when connected to a computer, I think. I turned off my n9 during the first boot after flash. Thought I was hard bricked but turned out my charger was bad. Hope I helped
Click to expand...
Click to collapse
I did, and no luck. I tried multiple cables and two different computers. Download mode is a no go.
ErisDroid? said:
I did, and no luck. I tried multiple cables and two different computers. Download mode is a no go.
Click to expand...
Click to collapse
QDL mode is not download mode
whowatchlist said:
QDL mode is not download mode
Click to expand...
Click to collapse
What is QDL mode? I Googled it and found posts for the Note 3 and the S4 mini, but nothing for the S4. Any help is always appreciated.

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