Weird Bootloop issue - Nexus 4 Q&A, Help & Troubleshooting

Hey can't really figure this issue out. I gave my girlfriend my old Nexus 4 when I purchased the Nexus 5 and it was running perfect... stock but unlocked and rooted. Recently she was letting her little cousin play with it, it somehow went into airplane mode and she restarted it and now it just gets stuck at in a boot loop at the Nexus logo. It will sit there for HOURs. I've now flashed it to stock twice, once using the .bat file and the other time just doing it with adb commands and still nothing. WTF happened?

Eclipsed830 said:
Hey can't really figure this issue out. I gave my girlfriend my old Nexus 4 when I purchased the Nexus 5 and it was running perfect... stock but unlocked and rooted. Recently she was letting her little cousin play with it, it somehow went into airplane mode and she restarted it and now it just gets stuck at in a boot loop at the Nexus logo. It will sit there for HOURs. I've now flashed it to stock twice, once using the .bat file and the other time just doing it with adb commands and still nothing. WTF happened?
Click to expand...
Click to collapse
Are your erasing the cache and flashing all 6 img files?

audit13 said:
Are your erasing the cache and flashing all 6 img files?
Click to expand...
Click to collapse
Yep. Might try to install clockwork with a custom ROM next and see if that does anything but I really want stock Android on it.

Eclipsed830 said:
Yep. Might try to install clockwork with a custom ROM next and see if that does anything but I really want stock Android on it.
Click to expand...
Click to collapse
Personally, I like TWRP on the N4. I've never had any problems flashing custom ROMs with it.

Personally, I would use fastboot and follow this thread:
http://forum.xda-developers.com/showthread.php?t=2010312

Mesmurized said:
Personally, I would use fastboot and follow this thread:
http://forum.xda-developers.com/showthread.php?t=2010312
Click to expand...
Click to collapse
Yep did that step by step and still the same thing.

Related

[Q] Nexus 7 wont boot

I was playing a game on my nexus 7, it froze then when rebooted it it just got stuck on google screen. Read a bunch of stuff, went into recovery and tried to recover, it would say erasing but never go any further, just sits there. got toolkit tried to restore factory with that, now when it boots I still just get google screen but I get the menu in corner for start/boot/recover/power off. still never boots, when I try to run recovery now it doesnt even go to erasing. Ive read everything I can find to restore it, got 2 toolkits, unfortunatly everything tells me to put it in debug mode, which is funny cause if I could boot up and go into settings to turn on bebug mode then I wouldnt be having these problems... Can someone please help, Im good with computers but dont know much of tablets. I did no messing with tablet besides downloading updates when they came out.
unlock bootloader
wcorey1974 said:
I was playing a game on my nexus 7, it froze then when rebooted it it just got stuck on google screen. Read a bunch of stuff, went into recovery and tried to recover, it would say erasing but never go any further, just sits there. got toolkit tried to restore factory with that, now when it boots I still just get google screen but I get the menu in corner for start/boot/recover/power off. still never boots, when I try to run recovery now it doesnt even go to erasing. Ive read everything I can find to restore it, got 2 toolkits, unfortunatly everything tells me to put it in debug mode, which is funny cause if I could boot up and go into settings to turn on bebug mode then I wouldnt be having these problems... Can someone please help, Im good with computers but dont know much of tablets. I did no messing with tablet besides downloading updates when they came out.
Click to expand...
Click to collapse
Also forgot to add, hen I try and run recovery from toolkit it tells me to unlock bootloader, when I try to unlock bootloadermy nexus asks me if I want to then when I hit yes, unlock it gives me neither usp nor cac partitions found.
Are you rooted?
Sent from my Nexus 7 using Tapatalk HD
Dark Jedi said:
Are you rooted?
Sent from my Nexus 7 using Tapatalk HD
Click to expand...
Click to collapse
My guess is no, I never messed with any of my system stuff. Everything was factory except for the updates it had me do as they came out.
How long you let it sit in recovery erasing before you rebooted it? Is there an option in boot loader or recovery for a factory reset? Beings you're not rooted I doubt those one click tool kits will work for you.
Sent from my Nexus 7 using Tapatalk HD
Dark Jedi said:
How long you let it sit in recovery erasing before you rebooted it? Is there an option in boot loader or recovery for a factory reset? Beings you're not rooted I doubt those one click tool kits will work for you.
Sent from my Nexus 7 using Tapatalk HD
Click to expand...
Click to collapse
It sat in erasing for 1 hour and didnt do anything. I was doing factory reset in recovery.
As long as the boot loader starts you can recover your Nexus. Check this guide: http://forum.xda-developers.com/showthread.php?t=1907796
If he can't unlock the bootloader then there's not a whole lot he can do. Run "fastboot getvar all" while in bootloader and tell us what it says please. If adb is seeing your phone in recovery, then run an adb shell and do "ls -l /dev/block/platform/sdhci-tegra.3/by-name/" please.
Sorry I can't help further but I just got this and don't know much. I am glad others came in to give you more help.
Sent from my Nexus 7 using Tapatalk HD
Damn... I didn't see he can't unlock the bootloader. This is going to be difficult.
wcorey1974 said:
My guess is no, I never messed with any of my system stuff. Everything was factory except for the updates it had me do as they came out.
Click to expand...
Click to collapse
Im exact in the same situation. No rooted phone, nexus wont boot anymore, cant dont anything in the bootloader section ...
I would be extremley thankfull for hints how to fix this issue.
Cheers
Papa
Just sayin, I think you guys need to pull the back cover and disconnect the battery for at least one hour.
I am really new at this but it helped me save mine twice. I think?
After you plug the battery back in try fast boot.
Sent from my Nexus 7 using XDA Premium HD app
tnt0303 said:
Just sayin, I think you guys need to pull the back cover and disconnect the battery for at least one hour.
I am really new at this but it helped me save mine twice. I think?
After you plug the battery back in try fast boot.
Sent from my Nexus 7 using XDA Premium HD app
Click to expand...
Click to collapse
But this will void my warranty right ?
They have no way in knowing you pulled your back cover off. Just be careful so not to leave pry marks. Only way they will know is if you tell them you did it.
Sent from my Nexus 7 using Tapatalk HD

Need Advise Before Sending Back To Samsung

Hey Guy,
Need some quick advise. So I bought my N10 back when it launched and its been pretty great! I use it for watching videos, playing games, and teaching (Im a science teacher). Anyways, I use my tablet Daily... a lot... and its never given me any issues at all really. Well about a month ago I noticed it responding a little slow and really laggy for about 2-3 minutes, then it restarted itself. I figured it was no big deal cuz its done that before. Well this time it never turned back on and it just stayed at the Google boot up screen. So I restarted it manually and then it just stayed on the "X" screen forever... Never left either of these screens until the battery would die.
I reinstalled android using the Nexus Root Toolkit and it does the job every time. It works GREAT...but.... only for about 10 minutes, then it starts to get really laggy and then restarts again and gets stuck in the bootloop.
I have it under warranty through staples and they are telling me since its a software issue they want me to send it back to Samsung. If it was a physical issue like broken screen, they would have replaced it by now.
The Tablet isnt rooted. I always root my devices, but since this was a nexus I didnt think it was necessary...for me at least.
Thanks
socjdqcer said:
Hey Guy,
Need some quick advise. So I bought my N10 back when it launched and its been pretty great! I use it for watching videos, playing games, and teaching (Im a science teacher). Anyways, I use my tablet Daily... a lot... and its never given me any issues at all really. Well about a month ago I noticed it responding a little slow and really laggy for about 2-3 minutes, then it restarted itself. I figured it was no big deal cuz its done that before. Well this time it never turned back on and it just stayed at the Google boot up screen. So I restarted it manually and then it just stayed on the "X" screen forever... Never left either of these screens until the battery would die.
I reinstalled android using the Nexus Root Toolkit and it does the job every time. It works GREAT...but.... only for about 10 minutes, then it starts to get really laggy and then restarts again and gets stuck in the bootloop.
I have it under warranty through staples and they are telling me since its a software issue they want me to send it back to Samsung. If it was a physical issue like broken screen, they would have replaced it by now.
The Tablet isnt rooted. I always root my devices, but since this was a nexus I didnt think it was necessary...for me at least.
Thanks
Click to expand...
Click to collapse
Smash the screen and get the replacement lol. Anyways I don't see now its a software issue when you flashed the factory image and nothing changed. Try downloading the new 4.3 factory image from Google and flash it manually instead of with the toolkit. If you still have the problem then I'm pretty sure its something to do with the hardware though I don't know how the hardware would affect it getting stuck at boot screen. This is a confusing problem. Anyways according to most people Samsung won't be much of a help and you'll get you're tablet back a week or two later in the same condition. Some people have had good luck with them and got a fixed device back so I guess if your out of options you might as well give it a shot
Sent from my Nexus 10 using xda app-developers app
abdel12345 said:
Smash the screen and get the replacement lol. Anyways I don't see now its a software issue when you flashed the factory image and nothing changed. Try downloading the new 4.3 factory image from Google and flash it manually instead of with the toolkit. If you still have the problem then I'm pretty sure its something to do with the hardware though I don't know how the hardware would affect it getting stuck at boot screen. This is a confusing problem. Anyways according to most people Samsung won't be much of a help and you'll get you're tablet back a week or two later in the same condition. Some people have had good luck with them and got a fixed device back so I guess if your out of options you might as well give it a shot
Sent from my Nexus 10 using xda app-developers app
Click to expand...
Click to collapse
Thanks a lot man. I just finished downloading the factory image now,but .... Noobie Question of the Day ... drum roll please ... how do I flash it manually? I transferred it to the device manually and then I opened up the bootloader then went to recovery mode then got into the stock recovery and the only options were Clear Cache...Clear Data... and ADB. Do I use ADB, If so Ill have to look that process up, I have never done that before. Sorry, Im not new to android or flashing or rooting, just new to Nexus I guess. My Samsung phones have corrupted me haha.
socjdqcer said:
Thanks a lot man. I just finished downloading the factory image now,but .... Noobie Question of the Day ... drum roll please ... how do I flash it manually? I transferred it to the device manually and then I opened up the bootloader then went to recovery mode then got into the stock recovery and the only options were Clear Cache...Clear Data... and ADB. Do I use ADB, If so Ill have to look that process up, I have never done that before. Sorry, Im not new to android or flashing or rooting, just new to Nexus I guess. My Samsung phones have corrupted me haha.
Click to expand...
Click to collapse
No, you don't use ADB to flash image files. Stay in bootloader where you see it say "Fastboot enabled". Extract the system, userdata, recovery and boot image from the package to C:\Program Files\WugFresh Development\data.
Username invalid said:
No, you don't use ADB to flash image files. Stay in bootloader where you see it say "Fastboot enabled". Extract the system, userdata, recovery and boot image from the package to C:\Program Files\WugFresh Development\data.
Click to expand...
Click to collapse
Thanks man, Ill give it a shot!
socjdqcer said:
Thanks man, Ill give it a shot!
Click to expand...
Click to collapse
After that open the toolkit > Advanced Options > Launch CMD.
Your computer should recognize your device by entering
Code:
fastboot devices
Username invalid said:
After that open the toolkit > Advanced Options > Launch CMD.
Your computer should recognize your device by entering
Code:
fastboot devices
Click to expand...
Click to collapse
Well, I manually updated and it worked like a charm...for about 10 minutes. Then it restarted and is stuck at the boot "Google" page! This blows!!!!!!!!!
socjdqcer said:
Well, I manually updated and it worked like a charm...for about 10 minutes. Then it restarted and is stuck at the boot "Google" page! This blows!!!!!!!!!
Click to expand...
Click to collapse
Rebooting into recovery and wiping the cache/dalvik cache usually works for me when it hangs on the loading screen.
Username invalid said:
Rebooting into recovery and wiping the cache/dalvik cache usually works for me when it hangs on the loading screen.
Click to expand...
Click to collapse
Yeah man, thats what I thought, so I have tried it a few times and whenever I go to wipe cache....The tablet doesnt really do anything and then all of a sudden it restarts. What would cause that?
try to use the toolkit to flash a factory image of 4.2.2 (mind it formats all data, files, music etc). See if it works fine. then unlock, root the device and install a custom recovery (all with the toolkit). If everything works you will have a rooted 4.2.2. Try the tablet and the recovery to see if everything works. If it does you can upgrade to 4.3
Well if your still having issues then just send it to Samsung and when it comes back if its still not working take it to staples and tell them Samsung said its a hardware issue or something. I'm pretty sure they'll replace it. I've always had good support with staples
Sent from my Nexus 10 using xda app-developers app
abdel12345 said:
Well if your still having issues then just send it to Samsung and when it comes back if its still not working take it to staples and tell them Samsung said its a hardware issue or something. I'm pretty sure they'll replace it. I've always had good support with staples
Sent from my Nexus 10 using xda app-developers app
Click to expand...
Click to collapse
Sounds good man! Thanks for the help!
Thanks EVERYONE! I tried everyone of your suggestions and the original issue still keeps happening. I can get the tablet to work for a little while, but the its back to bootloop.
Thanks

Stuck at google logo (bootloop) on 4.3-4.4 stock/ROMs

I searched all the internet and can't find any soliution to this.
Here are some examples (didn't find any of N4, but these are the same):
Some additional information:
It happens only on 4.3 or later (including 4.4 port) ROMs or stock OS.
It started when 4.3 came, i updated it officialy (my phone wasn't rooted/unlocked yet)
There were some times on 4.3 stock when it booted after half an hour, but I couldn't boot it again after next shutdown.
I can get to the recovery mode.
I tried to wipe everything, bring it back to factory state, but this thing still, happens. The only way I can use my phone is to have 4.2.2 ROMs/stock (I use cyanogenmod).
Any ideas on how to fix it?
EDIT: Solved by:
1. Flashing stock 4.2.2
2. Trying to officially update
3. Phone doesn't install the update, but goes to recovery instead?!?
4. Flashing official 4.3 with flash-all.bat
Man, you are lucky I saw this. This just happened to me today too and I freaked out. You need to download the radio from 4.2.2. Then manually fastboot install. Once you've done that everything works again and no more bootloop. I guess I accidentally wiped the firmware when installing 4.4. Anyways look for that and I promise you'll find it. I'll look for the post I found and post the link. I promise that's the issue.
I would recommend to download the toolkit and flash stock image. Make sure to backup all your files; it will wipe out everything.
Sent from my Nexus 4 using Tapatalk
nikeman513 said:
Man, you are lucky I saw this. This just happened to me today too and I freaked out. You need to download the radio from 4.2.2. Then manually fastboot install. Once you've done that everything works again and no more bootloop. I guess I accidentally wiped the firmware when installing 4.4. Anyways look for that and I promise you'll find it. I'll look for the post I found and post the link. I promise that's the issue.
Click to expand...
Click to collapse
Nope, doesn't work
badboy47 said:
I would recommend to download the toolkit and flash stock image. Make sure to backup all your files; it will wipe out everything.
Sent from my Nexus 4 using Tapatalk
Click to expand...
Click to collapse
This one doesn't work too
00Justas said:
This one doesn't work too
Click to expand...
Click to collapse
Does your baseband show "Unknown" in the phone settings?
I had the same problem some weeks ago. Fixed it by flashing the stock 4.3 image again and again. The 3rd time it worked.
Here is a photo of my Fastboot screen :crying:
https://www.dropbox.com/s/p5xdyftiv9ua0c3/IMG_20131103_223244.jpg
abaaaabbbb63 said:
Does your baseband show "Unknown" in the phone settings?
I had the same problem some weeks ago. Fixed it by flashing the stock 4.3 image again and again. The 3rd time it worked.
Click to expand...
Click to collapse
Hello,
thahts My first post/replay but i hope it will be fine.
I have the same problem for 2 day's now.
My baseband is: M9615A-CEFWMAZM-2.0.1700.84
I've flashed the stock 4.2.2 and 4.3 with Wug's toolkit http://forum.xda-developers.com/showthread.php?t=2015469&page=94 sevral time's and it did't work
Now i'm stuck on the X logo after Google boot...
Any idea's how to get Nexus back to work ???
!!!!!! I DID IT !!!!!! :victory::victory::victory:
I just got to work My Nexus after following this steps: http://forum.xda-developers.com/showthread.php?t=2010312
IMPORTENT - please follow the instructions writen in RED color as a NOTE after flashing stock. It starts like that: "Note that some users indicate that they can't get past the X on boot...."
PS
Now back to customizing My Nexus
barteekn said:
Here is a photo of my Fastboot screen :crying:
https://www.dropbox.com/s/p5xdyftiv9ua0c3/IMG_20131103_223244.jpg
Hello,
thahts My first post/replay but i hope it will be fine.
I have the same problem for 2 day's now.
My baseband is: M9615A-CEFWMAZM-2.0.1700.84
I've flashed the stock 4.2.2 and 4.3 with Wug's toolkit http://forum.xda-developers.com/showthread.php?t=2015469&page=94 sevral time's and it did't work
Now i'm stuck on the X logo after Google boot...
Any idea's how to get Nexus back to work ???
Click to expand...
Click to collapse
use the guide "ubrick your nexus 4 as long you can get in the bootloader" it reformats everything in download mode or something like dat.
abaaaabbbb63 said:
Does your baseband show "Unknown" in the phone settings?
I had the same problem some weeks ago. Fixed it by flashing the stock 4.3 image again and again. The 3rd time it worked.
Click to expand...
Click to collapse
No, it shows the one I flash. Did you flash using flash-all.bat or in recovery or using adb, and which one jwr666y or jwr66v?
00Justas said:
Did you flash using flash-all.bat or in recovery or using adb?
Click to expand...
Click to collapse
Flash-all.bat. The other way is through Fastboot. You can't install images through adb or recovery directly.
opssemnik said:
use the guide "ubrick your nexus 4 as long you can get in the bootloader" it reformats everything in download mode or something like dat.
Click to expand...
Click to collapse
If you are talking about this, tried, didn't work.
abaaaabbbb63 said:
Flash-all.bat. The other way is through Fastboot. You can't install images through adb or recovery directly.
Click to expand...
Click to collapse
After many re-installs still not working...
EDIT: Working

Deadliest bootloop ever. Nothing seems to fix it.

I recently fixed an infamous bootloop i had by letting the battery die 100% (yeah I know it is bad), and then it booted. Well i went to flash a new rom and it never rebooted. I then went to flash stock from google. Still a bootloop. tried like 3 roms, still a loop. I then tried the killing my battery thing. Still a loop. Please, i know the phone isn't hard bricked, is there anything else i can do to boot it other than just flashing stock and factory resetting. Thanks.
Another thing, when i try to flash 4.2.2 the phone doesn't go to the boot logo.
Anybody? I need to fix this phone soon.
Wrong thread sorry
YFBanana said:
Anybody? I need to fix this phone soon.
Click to expand...
Click to collapse
Fastboot flash the factory image. Then boot into the stock recovery and do a factory reset.
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
Fastboot flash the factory image. Then boot into the stock recovery and do a factory reset.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
unfortunately that doesn't work, i have tried it many times.
YFBanana said:
unfortunately that doesn't work, i have tried it many times.
Click to expand...
Click to collapse
Then you have an issue with your device. What happens if you lock the bootloader and then reboot? Does it stay locked or is it still unlocked?
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
Then you have an issue with your device. What happens if you lock the bootloader and then reboot? Does it stay locked or is it still unlocked?
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
It stays locked. I am guessing thats a good thing?
YFBanana said:
It stays locked. I am guessing thats a good thing?
Click to expand...
Click to collapse
Yep, if it didn't your emmc flash memory would be bad. I'd try re-downloading the factory image and trying again. Are you using the flash-all.bat to flash? You might try flashing all the components separately and see if any of them fail.
Sent from my Nexus 5 using XDA Free mobile app
You flashed stock firmware and it didn't work? What did it do when you flashed it?
Sent from my Moto G running Carbon ROM 4.4.4
jd1639 said:
Yep, if it didn't your emmc flash memory would be bad. I'd try re-downloading the factory image and trying again. Are you using the flash-all.bat to flash? You might try flashing all the components separately and see if any of them fail.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
None of the flashes failed. I have tried redownloading and i have also checked the md5's, so i dont think that would be it. I have also tried reformatting through twrp, and then flashing stock. Still nothing.
flashing 4.4.4 separately got me on the starting apps step, but that seems to be the place where it gets stuck.
I need to decide if i wanna take another month trying to fix the nexus 4 or just get the nexus 5. Nothing is working and i think i should just leave it now. But at the same time, i just wanna fix it so i don't have to spend money on a new phone. I have run out of things to try and revive the phone so i don't know what to do anymore.
YFBanana said:
I need to decide if i wanna take another month trying to fix the nexus 4 or just get the nexus 5. Nothing is working and i think i should just leave it now. But at the same time, i just wanna fix it so i don't have to spend money on a new phone. I have run out of things to try and revive the phone so i don't know what to do anymore.
Click to expand...
Click to collapse
so now you can boot to 4.4.4 ROM but your phone stuck at the "Starting apps" box rite?
groovepeppy said:
so now you can boot to the ROM? but never pass the "Starting apps"?
Click to expand...
Click to collapse
I think it was just the order i flashed the img files that made it go to that point, but i am pretty sure starting apps is where it gets stuck every time.
YFBanana said:
I think it was just the order i flashed the img files that made it go to that point, but i am pretty sure starting apps is where it gets stuck every time.
Click to expand...
Click to collapse
You can fastboot your phone i believe, you should try [HOW-TO] How to flash a factory image / return to stock / unlock / root #
Start from point C
I hope you haven't tried it yet
groovepeppy said:
You can fastboot your phone i believe, you should try [HOW-TO] How to flash a factory image / return to stock / unlock / root #
Start from point C
I hope you haven't tried it yet
Click to expand...
Click to collapse
I have tried it. Still no boot.
YFBanana said:
I have tried it. Still no boot.
Click to expand...
Click to collapse
there's must be a way cause you can boot on 4.4.4 but unfortunately i'm not that good in these kind of problems
but i hope you can find the cure soon
You can obviously get into flashboot, have you tried booting the latest twrp, wiping /system /data /cache and sideloading something different, like Paranoid Android?
Bootloop fix
First thing is that you have use Wug's Tool and flash the 4.3 stock image. In the Wug's tool select the option 'SOFT BRICK or BOOTLOOP' option and then flash the stock image in the fastboot mode. Definitely, I hope the phone will launch without any problem. The same problem I had faced with my nexus 4 and I flash the 4.3 stock image with the help of Wug's tool. Try it I hope it will fix the problem.

Nexus 7 (2012) Bootloop help?

Hey guys,
So the other day i was flashing my nexus to stock, and that all went fine, but when i went to OEM Relock it, my Nexus came to the Google boot stage, and wont go past that at all, i could leave it there for 8 hours, and nothing would happen. It is no longer rooted, and when i try to boot it in to recovery mode, there is an android symbol with an exclaimation mark. Though, i can boot it in to the Bootloader. Can anyone give me a hand? i'll be willing to do anything since this is my last attempt at salvaging my Nexus.
I don't actually need help, I'm merely ****posting so I can post in the thread I want to post in.
RubberDucky_EN said:
Hey guys,
So the other day i was flashing my nexus to stock, and that all went fine, but when i went to OEM Relock it, my Nexus came to the Google boot stage, and wont go past that at all, i could leave it there for 8 hours, and nothing would happen. It is no longer rooted, and when i try to boot it in to recovery mode, there is an android symbol with an exclaimation mark. Though, i can boot it in to the Bootloader. Can anyone give me a hand? i'll be willing to do anything since this is my last attempt at salvaging my Nexus.
Click to expand...
Click to collapse
Have you tried using the Nexus Root Toolkit?
Fobos531 said:
Have you tried using the Nexus Root Toolkit?
Click to expand...
Click to collapse
Yes, that is exactly what i used.. :/

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