I recently tried to flash back to stock on my nexus 7 2013. i used the nrt 1.8 program and while in the middle of flashing the system i got failed unknown chunck type error. my nexus is currently bootlooping. how do i fix this and how to i get into recovery?
Ok sorry for the lack of detail. I was kinda panicking. I was using NRT to reflash stock (the tablet was ok i just wanted to go back to stock because i had a custom kernel on) and i got a weird error when it was flashing the system. It said failed unknown chunck. I can boot up and it will have the google logo (which is a good sign) and idk how to get into bootloader. Can someone please help me with my issue. And yes i did try and use the force flash option.
AKShotgun said:
Ok sorry for the lack of detail. I was kinda panicking. I was using NRT to reflash stock (the tablet was ok i just wanted to go back to stock because i had a custom kernel on) and i got a weird error when it was flashing the system. It said failed unknown chunck. I can boot up and it will have the google logo (which is a good sign) and idk how to get into bootloader. Can someone please help me with my issue. And yes i did try and use the force flash option.
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Click to collapse
Well, not sure what program you are referring to. But to get into the bootloader, turn off the tablet. Then, hold volume up + power. That'll get you into your bootloader. From there, use fastboot commands to flash the factory image.
Sent from my Nexus 5 using xda app-developers app
https://developers.google.com/android/nexus/images - download the image for razor. The use fastboot to flash it, as the user above me suggested.
_______________________________________
Phone: HTC EVO 4G LTE
Sense 5, S-Off
Tablet: ASUS Nexus 7.2
Rooted, Custom Rom & Kernel
Related
Hi,
i found a simliar thread that was talking about a similar subject, but didn't answer my question. i have lost it and cant find that same thread for help.
rooted -flashed bad rom - everything keeps closing(apps, Google sync)--- cant get int to recovery mode because of error
****I unlocked bootloader and rooted my GalaxyNex. then installed ROM maneger. i flashed CWM,then backed up my ROM. i tested it by flashing my backed up ROM, after i had messed around and my phone went back to normal. i was feeling safe. i noticed that i was having trouble getting into the recovery mode because of the belly open with exclamation Point. i read that it is because CWM was losing permission? i found that i just had to re-flash CWM every time right before i go into recover mode. i flashed a ROM from ROM maneger and everything worked until i turned the phone on. i cant sync Google account, and basically all apps close immediately (no key board too). I cant get into recovery mode and i cant down load ROM maneger to try to re-flash CMW to restore from older ROM.
I am sorry if this is already been answered i have try to find my situation but i couldn't.
I tried to re-flash the clock work recover image through the terminal of my mac but it says permission denied... i guessing i need to find a way to re flash to stock from fastboot is this possible ?
Pull the battery and hold power + volume and get into fast boot. Flash stock images from here
Sent from my Galaxy Nexus using xda premium
joshnichols189 said:
Pull the battery and hold power + volume and get into fast boot. Flash stock images from here
Sent from my Galaxy Nexus using xda premium
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Click to collapse
Thanks I got really lucky i was able to re flash Clock work recovery in fast boot with the command
./fastboot flash recovery recovery-clockwork-5.5.0.4-toro.img
then i was able to get into the proper recovery mode and re flash my backed up image.
if i wanted to re flash a original image would the terminal command look like this
./fastboot flash recovery "Imagename" ? i might have just got lucky but i am guessing thats how you re-flash something to your phone?
now that i have gotten back to the beginning, why is it that i have to re flash CMW every time to get in correct recovery mode? or how do i stop it from giving me the recovery error when trying to get to the correct recovery mode?
thanks again
Glad your good! Hate to see these threads but we all go through it sooner or later
Sent from my Galaxy Nexus using xda premium
billycurtis said:
now that i have gotten back to the beginning, why is it that i have to re flash CMW every time to get in correct recovery mode? or how do i stop it from giving me the recovery error when trying to get to the correct recovery mode?
thanks again
Click to expand...
Click to collapse
After you fastboot flash the CWM image, use ADB, a terminal, or a file explore to remove or rename the file /system/recovery-from-boot.p
HELP!!!!!!!!!!!!!!!!!!!!
Click to expand...
Click to collapse
I'M JUST A 11 YEARS OLD!
Yeah,so.. I rooted my phone and flashed AOKP... It's very good rom ,but I'm one of these people who don't know what they want
I opened SUPERSU and i found a option Unroot. Clicked on it and my phone was unrooted. Well... I do the OEM lock but my settings still had the rom options... I tried wipe cache, restoring stock kernel (even i don't know what is that) and I still have the ROM options... Help.. My phone is showing "NFC service stopped." Help me bc I'm in school tomorrow and I need my phone.. Please help me! Really I need help!
Sorry for my bad English! I'm from Bulgaria and I'm learning
You can use fastboot to flash back to stock using an image from here
https://developers.google.com/android/nexus/images
This will wipe the phone!
Or unlock the boot loader again and flash a recovery and a fresh ROM
Good luck!
Use ODIN 1.55 For worst case scenarios. Put phone into fastboot then flash stock image. Or use a toolkit. Should be the problem if you got drivers installed and working.
Sent from my Galaxy Nexus using xda app-developers app
From your words I assume you can still power up the phone normally as well as access recovery mode, right? Back up storage contents, do an OEM unlock, flash any stable ROMs around and you should be fine.
Sent from Google Nexus 4 @ CM11
I've never seen so kind guys. In every forum i register everyone is telling me ...... lol Thank you so much! My phone is restored
So, I need to send my Nexus 7 back in for factory inspection/repairs, since it decides to reboot multiple times a day on its own. I had my N7 running CM w/ TWRP. I've flashed my device back to stock and everything, however it fails to boot up to the stock recovery. In it's stead I just get an Android man lying on his side open with a red exclamation in a triangle. I can't link the image directly, but http //i stack imgur com/kcSE4 jpg. Periods where there are spaces, except for right after the http, there is the usual colon.
I've tried running Restore Stock Recovery thru the Nexus Root Toolkit. I've tried manually flashing the recovery.img with fastboot flash recovery recovery.img while in the bootloader. I'm not sure what else to try. Is there anyone that could help me?
I get the recovery thing too and I've never installed a custom ROM or recovery (although I did flash twrp once but I did not install it) its not really a big deal for me be cause if I ever need a recovery I can flash one from my computer But I would like to know why this happens anyway.
Sent from my Nexus 7 using XDA Premium 4 mobile app
mugzylol said:
I get the recovery thing too and I've never installed a custom ROM or recovery (although I did flash twrp once but I did not install it) its not really a big deal for me be cause if I ever need a recovery I can flash one from my computer But I would like to know why this happens anyway.
Sent from my Nexus 7 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I'm just primarily afraid that my warranty would be voided if they discovered that the recovery was missing. I can flash
TWRP back just fine, but not stock.
EDIT: Never mind. I apologize for my ignorance. I found out that you go to the recovery menu from that screen by holding the Power button and then pressing the Vol Up button. No more assistance shall be needed.
Yoou are saying that after flashing stock recovery you see a android with open stomach and exclamination mark
But android with open stomach and exclamination mark showing in recovery means it is stock recovery of nexus 7
I have a nexus 7
When it was not rooted i tried to boot to recovery i got the same
After rooting i get twrp in recovery
Sent from my Nexus 7
Hi,
there are several threads on this forum dealing with nexus devices that get stuck at the google logo when booting up, however my case is a little different:
I can not even get into recovery.
Here's the symptoms:
The touchscreen became unresponsive. I read that fixing the cache partition helps and it did.
From time to time my device would get stuck at google logo on boot, but i was still able to get into recovery, wipe cache and it would work again. This happened 2-3 times over the course of the last 3 weeks maybe, so i thought its just some minor hangup
2 days ago the device became unresponsive again and i was unable to get into recovery. I have tried several times and once i was lucky to get into recovery (it showd google logo, but when i pressed the power button to turn it off i got into recovery)
now nothing will work. i can get into the bootloader no problem and fastboot is in a working condition
i have tried flashing the factory image using the files provided by google. So far no success
Does anyone know something else to try?
EDIT: aniket0317 suggested using Wugfresh's Root Toolkit which includes a script to unbrick in case of bootloops. That seems to have worked.
Flashing back to stock is a first step, to ensure it's nothing in the software. What do you mean by "So far no success"?
Use Wugfresh's Nexus Root Toolkit. There is a option named Stock Flash+Unroot (Bootloop). The device should be able to get into fastboot mode, though.
aniket0317 said:
Use Wugfresh's Nexus Root Toolkit.
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Click to collapse
This seems to have done it. I have followed the instructions in the toolkit and rebooted the device several times already successfully. The next days will tell whether the touchscreen freezes still happen. But for now, thank you.:good:
mistermabuse said:
This seems to have done it. I have followed the instructions in the toolkit and rebooted the device several times already successfully. The next days will tell whether the touchscreen freezes still happen. But for now, thank you.:good:
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Click to collapse
Press thanks if I helped you
Sent from my Nexus 7 using Tapatalk
Same problem
Hey,
my Nexus 7 2013 has the same error.
Im stuck in Google screen, only enter in fastboot mode.
Tried Nexus Root Toolkit and other methods but stays the same...
In TWRP, touchscreen doesnt work.
What can i do???
Thanks!
Hey thiago,
I don't really know what to do, but I have the same problem now...
I guess it should be possible to somehow boot clockworkmod recovery from fastboot,
but I'm not sure.
I'll mark this thread not solved again -.-
mistermabuse said:
Hi,
there are several threads on this forum dealing with nexus devices that get stuck at the google logo when booting up, however my case is a little different:
I can not even get into recovery.
Here's the symptoms:
The touchscreen became unresponsive. I read that fixing the cache partition helps and it did.
From time to time my device would get stuck at google logo on boot, but i was still able to get into recovery, wipe cache and it would work again. This happened 2-3 times over the course of the last 3 weeks maybe, so i thought its just some minor hangup
2 days ago the device became unresponsive again and i was unable to get into recovery. I have tried several times and once i was lucky to get into recovery (it showd google logo, but when i pressed the power button to turn it off i got into recovery)
now nothing will work. i can get into the bootloader no problem and fastboot is in a working condition
i have tried flashing the factory image using the files provided by google. So far no success
Does anyone know something else to try?
EDIT: aniket0317 suggested using Wugfresh's Root Toolkit which includes a script to unbrick in case of bootloops. That seems to have worked.
Click to expand...
Click to collapse
EDIT 2: Yes it worked, at first. Now the device is stuck in a bootloop again. I can boot into team win recovery, but touch doesn't work there so I can't do anything. Booting CWM from fastboot is also not suceessful.
What do you mean CWM is not successful, that there's no touch response? If all else fails, you can use the non-touch version of CWM, using the side buttons to navigate. But I'd be concerned if screen touches are not being recognized.
CWM dont start. Only twrp. Is there a TWRP non touch version?
There's no non-touch version of TWRP that I know of, since its design is based on touch.
What do you mean by CWM won't start? It just freezes? Did you flash the correct one?
6.0.4.3 for regular N7 2013: http://download2.clockworkmod.com/recoveries/recovery-clockwork-6.0.4.7-flo.img
6.0.4.8 for N7 2013 LTE: http://download2.clockworkmod.com/recoveries/recovery-clockwork-6.0.4.8-deb.img
6.0.4.3 for N7 2013 GSM: http://download2.clockworkmod.com/recoveries/recovery-clockwork-6.0.4.3-tilapia.img
still frozen
Pandae said:
There's no non-touch version of TWRP that I know of, since its design is based on touch.
What do you mean by CWM won't start? It just freezes? Did you flash the correct one?
[/url]
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Click to collapse
Yes, i used this version for Regular N7 2013, but still frozen in the google screen.
I have the same problem.
Stuck on google logo. It boots Fastboot only. It does not boot system or recovery.
What I have done so far:
Unlocked the bootloader
Flashed preview android L successfully But it did not boot. Then i Installed android 4.4.4. Successfully But still nothing. Then i flashed android 4.3 with the same result. Lastly i flashed TWRP to try and flash a zip, but again it does not go past the google logo. Everything i flash goes successfully or at least there are no errors on the logs. I have used wugs nexus toolkit to flash everything. I can see the bootloader version being changed after flashing different android versions, so i can confirm it is flashing bootloader at least.
My conclusion:
I think there is a hardware problem but I don't know how to troubleshoot what is wrong.
If anyone has any suggestion. It will be much appreciated.
Sent from my SM-G900F using XDA Premium HD app
Send it back to Google
gopin said:
I have the same problem.
Stuck on google logo. It boots Fastboot only. It does not boot system or recovery.
What I have done so far:
Unlocked the bootloader
Flashed preview android L successfully But it did not boot. Then i Installed android 4.4.4. Successfully But still nothing. Then i flashed android 4.3 with the same result. Lastly i flashed TWRP to try and flash a zip, but again it does not go past the google logo. Everything i flash goes successfully or at least there are no errors on the logs. I have used wugs nexus toolkit to flash everything. I can see the bootloader version being changed after flashing different android versions, so i can confirm it is flashing bootloader at least.
My conclusion:
I think there is a hardware problem but I don't know how to troubleshoot what is wrong.
If anyone has any suggestion. It will be much appreciated.
Click to expand...
Click to collapse
What if you flashed the stock factory recovery/ROM, or is that what you mean by 4.4.4 and 4.3? Don't use a recovery to flash the individual .img files, just run flash-all.bat and see what it does.
https://developers.google.com/android/nexus/images
Pandae said:
What if you flashed the stock factory recovery/ROM, or is that what you mean by 4.4.4 and 4.3? Don't use a recovery to flash the individual .img files, just run flash-all.bat and see what it does.
https://developers.google.com/android/nexus/images
Click to expand...
Click to collapse
Yes. I flashed the factory images using wugs nexus toolkit and ticked the option flash stuck + unroot (bricked or bootlooping) to see if it would work as mentioned by OP. All factory images flash successfully all partitions, but it does not boot recovery or system. I tried different android versions hoping it would make a difference and tried booting recovery after flashing each image (4.4.4 and 4.3). I haven't tried typing the command flash all.bat myself to flash the image as you suggested. I've used the toolkit to make it easier. I'll try flashing stock typing command flash all.bat myself and report.
Sent from my SM-G900F using XDA Premium HD app
Use your warranty, send it back to Google.
So I got an adapter (Finally) for my nexus 5x. Went home and got the WugFresh nexus toolkit. Made a backup, and things were going fine, and then hit root and install twrp. It installed and booted into twrp, and it gave me the not rooted message and rooted me. I restored the backup. So I rebooted it, saw it was doing the boot animation, and came back this morning to it being dead (I had it plugged into my desktop, thought it wouldn't have lost more than 1% of battery when I woke up). I tried booting it up, and it was booting forever and I concluded was bootlooped. Now, when I try to boot into recovery, I get the little android guy dead with the red triangle on top of him. Please help, I'm 14 and don't really know what to do because all my previous rootings went fine. Thanks!
You are on stock recovery. Flash TWRP if you want custom recovery and flash/wipe, or use the factory images to go back to stock. Any experience with adb and fastboot? I'd recommend using fastboot so you have an idea of what's going on and understand how to fix your phone in the future.
Keithn said:
You are on stock recovery. Flash TWRP if you want custom recovery and flash/wipe, or use the factory images to go back to stock. Any experience with adb and fastboot? I'd recommend using fastboot so you have an idea of what's going on and understand how to fix your phone in the future.
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Click to collapse
I know fully well about adb and fastboot. I've rooted all my phones before this manually via them, and i just tried the toolkit because a friend referred it to me. Like i mentioned before i'm in a bootloop and i have no access to it in adb. It just doesn't get recognized.
Hold power + volume down till you boot into the bootloader. Flash away.
Sent from my Nexus 5X using Tapatalk
PiousInquisitor said:
Hold power + volume down till you boot into the bootloader. Flash away.
Sent from my Nexus 5X using Tapatalk
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Click to collapse
yeah when i try and boot into recovery is when i get the red triangle above the android guy. there is literally no recovery there. Otherwise, yeah i would flash the firmware
Help!!! My Nexus device is totally messed up. It has ______ problem. What do I do?? @ wugfresh.com since you're already using that toolkit.
if your pc/NRT doesn't recognize your phone check the drivers and consider reinstalling them (the toolkit apparently has an option for that as well). also try playing around with the rotation of your adapter/cable. yes, usb c is supposed to work both ways, but some (cheap) cables seems to have different properties depending on the rotation.
Kevinisyoung said:
yeah when i try and boot into recovery is when i get the red triangle above the android guy. there is literally no recovery there. Otherwise, yeah i would flash the firmware
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Click to collapse
There is, its just the stock recovery. Go to the bootloader and flash TWRP using fastboot. If you have driver issues you might have to manually select the driver I normally have to the first time.