Boot Verification Fail - Verizon LG V10

Hey guys, not sure if there was another thread with this issue but I couldn't find it.
Yesterday at work my phone suddenly froze and then restarted into a bootloop and this is what I did:
I pulled the battery out for a good 10 minutes and tried it back again and it was the same thing again with the bootloop.
I tried to put it in Safe Mode and it started up and then after awhile it froze again and jumped back into the bootloop and wouldn't go back into Safe Mode again.
This time I tried clearing the cache and that didn't work.
Next thing I tried was to Factory Data Reset the phone and it came up after that where I had to go through the whole setup wizard and everything like it was a new phone again. But not long after the phone was running fine it started restarting every couple minutes or if I go in What's App or something else.
I figured that something is wrong with the system itself so I downloaded the 22A update for the VS990 on my laptop (where the version 11B was currently on the phone) to try and update it and honestly that was a bad move because when I tried to flash VIA LGUP, the phone restarted during the process and now I'm getting this on at the top left corner of the logo screen then it reboots continously:
Boot verification failed!!
- cause: MISMATCH_SIG_LEN
Can anyone please help me out, love this phone so much and not looking to get a new one or change it anytime soon :crying::crying:

Are you in warranty or have insurance with extended warranty? Sounds like you'll have to contact VZW and get a replacement. Hopefully you're covered.
Sent from my VS990 using Tapatalk

I'm really not sure as I bought the phone 2nd hand from Ebay, bought it in August so probably., so would have to contact the original owner and see what he has to say. Sigh only if I could get it to stay on the logo screen at least without restarting I could try flashing it again.

Related

XDA 2 Freezing on Boot Screen...Please Help

I have no idea what's going on with my XDA II. I have not done anything to modify or upgrade it recently. But suddenly the phone froze one day. I tried doing a soft reset but the phone just shut off. Kept pushing power button but nothing worked.
I then tried a hard reset which didn't work either. I finally just removed the battery and the sim card and then replaced them. My phone finally booted up and went through the standard hard reset sequence. I restored my backup information into the phone. Later on it froze again...with the same problem.
I finally got my phone working, but it freezes almost everytime I try to do something. When i do a reset, whether hard or soft, I get stuck at the boot screen with nothing happening. I reset it about 8 or 9 times before i get back into the phone and go through the intro to WM2003 again.
When i do get in, i can maybe make a call or two before the phone freezes up again. Don't know what to do, but really confused. I was going to contact o2 because the phone is still under warranty. However, I have upgraded to the TMobile 1.6 rom.
If anyone has any suggestions on how to fix this please let me know. If not, does anyone have the original o2 rom that I could get a hold of? Thanks for all the help in advanced.
Does the phone freeze after you restore backup or does it do it even when you use it from scratch after hard reset?
It freezes no matter what. Most of the time, it'll refuse a hard reset. I would reset it, hard reset it and the phone will just load up on the Tmobile screen and stay there. Sometimes i'll get that circle thing that shows the phone is doing a process...but it'll go in circles forever.
Sometime down the line it'll actually let me through. Then i'd do the whole WM2003 intro again.
So to answer that question, it's not only on my restore, the phone consistently freezes up.
Looks like it's time to avail of the warranty and have your phone replaced.
I know, but in order to do that I have to get the original rom because i'm on tmobile 1.6 rom.
Mate, did you try to reinstall the 1.6 rom? Maybe download the latest ROM version and try to install it from your dead device...
My phone is just freezing on the boot screen and sometimes i can actually get in and use the phone for a while. Does this still constitute it as dead?
Since I can't get past the boot screen most of the time, I can't connect the phone to the computer to install the 1.6 rom again.
However, I did get past the boot screen once and did manage to sync it with my computer and reinstall the 1.6 rom. No help...same problem...
Ok, i finally got in and managed to update the rom to the new O2 rom. Everything was working fine for a long time. I used the phone and no problems. I left the phone on the sync cradele over night and by morning the phone was frozen. Reset and getting stuck at boot again...
ANyone have any ideas?
i also get this problem.
I have found many ppl got this problem, but no one has solution.
so what is everyone doing about it?

[Q] looking for some advice or help... boot loop?? or broken phone...

Have been rooting Androids for a while and have been about to solve all my problems by doing research and finding the solution... first time i actaully am stumped...
I have a HTC EVO 4G LTE, second one i had the first the microphone went bad, i rooted it just like the last one and it was running fine. I deleted a few system apps such as sprint music, friend stream, tunein radio, and an HTC app. forget what that was. but now my, at work today, keep restarting randomly and died very quickly. when i finally got a chance to charge it, it hung on a boot loop and then entered the system about 45 minutes later. and then quickly reset back into the boot loop, i have at least 25% battery at this point. it continues to cycle through this for the next 4 hours. i tried to just shut the system off but after like 10 minutes it would start the boot loop again and since i work at radioshack trying to fix it there really wasn't an option. I did try to boot into twrp and do a factory reset how ever when i attempted to boot in it just froze at the HTC screen and then reset into the boot loop.
Once i got home i relocked the bootloader and did a hardreset... to no prevail... it continued to reset i even took my memory card and then that seemed to solve it... i put the back cover on without the memory card and it almost instantly reset and continued through the boot loop until i removed the back cover again. i don't know to much about the making of this back cover but it does seem to have three sensers to know it if it on or off, i am assuming... i tried installing stock recovery and taken off root. the only thing i haven't does is a completely stock OS reset through an ruu... and if i do that i am taking the phone back to sprint and getting another new one... does anyone have any ideas? and if this same thing is posted somewhere i am sorry, i have searched and tried everything i found and so far aside from the stock reset nothing has really worked. i factory reset from system, fastboot, and twrp (it loaded only once). I did relock the oem and did uninstall root. removed micro sd and formated internal memory. any other suggestions
i would just run RUU.. if it still giving u problems take it to sprint.. if u runn a RUU and it goes away just root it again start fresh.,. thats what i would do
Thanks EVO. I did end up running ruu and when it completed it started the boot loop again. Almost all night and ended up heating the phone up to the point I just booted into bootloader so it would stop. It continued this morning. But here's the part I wanna know... I pulled the back cover off for sh*ts and giggles and it booted right up. I am actually posting from it. I am afraid to put the back cover on...
Soo... I confirmed it was the back. I used the phone to post that. Made several calls to sprint and talked to ny mother... Phone was fine. Replaced back, phone froze and went into boot loop until the back cover was removed.... Why though?...
soo... it looks like i wont be needing any help with this phone... as it has completely died..... won't even try to power on. well sprint see you tomorrow at noon!

Weird behavior in fastboot mode

Good night everybody! my dad got this phone a while ago, after like 2 months he told me the phone was going crazy, I checked and was getting FC´s everywhere so get into recovery mode to wipe everything and there´s where problems started. I downloaded stock firmware and installed it but phone wouldn´t boot up, so my dad gave it to a guy that ``fixed it´´ but the problem came back after two weeks or so, the guy ´´fix it ´´ again but when I looked into the phone had no IMEI so didn´t recognized the sim card, the third time the guy got back the IMEI, that was long ago and today when I booted up the phone is having a weird behavior, sometimes gets stucked at the bootloader unlock warning, I restart it and after a couple of times starts the boot up animation but gets stucked at the M and like waving part.
I´ve tried getting into recovery mode but when I press any of those options boots to the warning bootloader. I got it to completley turn on when I pressed the recovery option; not expecting that to happened, but again some force close windows and decided to reboot it to see if would fix it but again to the same place stuck at the warning.
I´ve read many posts here im xda and outside but can´t find a solution. I tried to side load the firmware but looks like the pc doesnt recognize the phone´, when i got it boot up I connected it to the pc but didn´t recognized it, I installed the drivers and still the same.
Guess I need to get it recognized by the pc in order to try to side load a firmware. Sorry for the long post and any mistake, if someone can help to bring back to life this little fella.

Bootloop remains even after Stock flash in ODIN

Hello guys, I have a serious predicament that needs to be solved.
I haven't did anything major to my phone in years so the past couple days have been a nightmare. Ever since I did a wipe of cache partition after trying to get rid of this "unfortunately, contacts stopped working." message, it's sent my phone into a spiraling disaster. (I have been using stock 5.0 rooted rom for at least a year so idk why the sudden issues)
I've literally tried every method imaginable. I even tried flashing with different versions of Odin and still the exact same problems.
I can get my phone into DL mode easily but Recovery mode only works if I have the phone plugged in at this point (Actually, it seems like the only time when my phone wants to work)
Every time I'm done flashing, it'll load all the way up to the T-Mobile screen then restart the loop all over again :/
Really need help seeing as I need to get this situation handled before work today, thanks!
Nevermind, after more research, I decided to order a new battery and the problem is solved.
Bootloop solved with replacement battery
gkenga said:
Nevermind, after more research, I decided to order a new battery and the problem is solved.
Click to expand...
Click to collapse
A replacement battery also solved my boot loop issue. Prior to replacement, it would boot to Galaxy S5 screen, and then reboot. Replaced battery and boots. Put the old battery back in, and it boot looped.

Bootloop after update?

Hello all, got a bit of a strange issue here. So I was using the 30b release from runningnak3d, https://forum.xda-developers.com/tmobile-lg-v10/development/h901-t-mobile-nougat-v30b-twrp-t3639203
I was selling my v10, so I did a reset, skipped or hit next to everything, and verified that all was working. I sold the phone and a couple days after the buyer got it, he told me it was bootlooping. I asked what he did and of course the first time he said nothing, just turned it on. After more conversation, he said when he got it it booted and after a while told him an upgrade was available. He said he accepted the upgrade, and afterwards got the bootloop.
I got the phone back today to try to fix it and give it back to him. Here's what I have found. Definitely bootlooping, stops at T-Mobile logo and reboots. It does still have the unlocked bootloader, still shows the warning right at boot. TWRP is gone! I booted to recovery, answered Yes to those 2 questions, and it did a reset instead of loading TWRP.
I really have no idea what he did, whether is was an OTA update or maybe he tried to load something on his own.
So, is there any hope of getting this thing going again? So far I was able to boot it into download mode, but it won't respond to any fastboot commands. My computer detects it, but in computer management it says LGE USB modem or something like that. When I try to regular boot, the computer does detect the phone, but it doesn't get far enough along to issue ADB commands. I'm thinking it's a paperweight at this point, so I'm game to try whatever.

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