Database Users

Boot Loop To Google Logo

My son brought me his Nexus S 4g and told me that it doesn't work anymore. He says that he didn't do anything and that it just started doing this on its own. Any help would be greatly appreciated.
When powered on, it quickly goes to the screen with the Google icon and a lock icon. It sits here for about 30 seconds, then reboots to the same thing. If I pull the battery and hold Vol Up and Power when inserting the battery I can get into Fastboot, but when I select Recovery or Reboot, I get the same Google screen.
When I gave him the phone, it was rooted with CWM recovery loaded and a ICS ROM running.
Any help would be greatly appreciated as I have been reading through threads all night long without finding much.

Sounds to me like you need to begin the rooting process again at the "fastboot oem unlock" part. Since you probably don't have anything on your SD card, you might have to push a new recovery via fastboot as well.
Look to this thread:
http://forum.xda-developers.com/showthread.php?t=1078213
for inspiration.
Once you get into the recovery loaded via fastboot, you can get whatever rom that you want onto the SD card by navigating to:
Mounts and Storage > Mount USB Storage
and leave it on that screen while you load the rom onto the SD card.
After that flash the new rom via CWM as normal.

Thanks for the reply. Since I was already unlocked, I followed the steps to return the phone to stock, including flashing boot, system, userdata, recovery and erasing cache. Now when I reboot, it just loops to the Google screen and reboots after 30 seconds. The only difference is that I don't see the lock icon at the bottom or the Google screen.
When I select Recovery, it just goes into the same Google loop. I am going to try to go through the root steps and see what happens. :-(

I was able to unlock the phone, but it will not boot into Recovery. I can get to Fastboot, but I am back to where I started.
When I gave the phone to my son, I had installed SetCPU and configured a profile to throttle the processor down when the screen was off to conserve battery. I am now wondering if he tried to overclock the processor and clicked "set at boot".
Any more suggestions? (please)

Did you successfully flash a recovery.img? Immediately after this you should hit Recovery, then mount the storage, copy a ROM over, do a Full Wipe and flash the ROM.
If all goes well, you'll boot fine. If not, it may be a hardware problem. Try to wipe most of it and lock the bootloader if you need to send it to samsung.

It looks like I successfully flashed a recovery image. I have tried version 5.x and version 3.x. Below is the result of the 5.x command. However when I select Recovery from Fastboot, I go to the Google screen loop.
C:\Program Files\Android\android-sdk\tools>fastboot flash recovery recovery-cloc
kwork-5.0.2.0-crespo4g.img
sending 'recovery' (4136 KB)... OKAY
writing 'recovery'... OKAY
C:\Program Files\Android\android-sdk\tools>

OK, go to http://wonderly.com/bb/CRESPO4G/OEM/GRJ22IMAGES.zip
That will download the GRJ22 stock images of your phone. Unzip them in your PC. Next, use fastboot like this.
fastboot flash bootloader bootloader.img
fastboot reboot-bootloader
fastboot flash radio radio.img
fastboot reboot-bootloader
fastboot flash system system.img
fastboot flash userdata userdata.img
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot erase cache
After it finishes you can reboot your phone with "fastboot reboot". This will installed Stock GB 2.3.4 for NS4G. Setup your phone and you will get OTA to 2.3.5. After that you will get OTA again to 2.3.7. Good luck.
By the way, you must let it OTA all the way up to 2.3.7 to get the latest Radio and bootloader version.

Giving it a shot now. I'll let you know shortly how it goes.
Update: Same result. All commands completed successfully, but I end up in the Google logo boot loop. Is there a kernel .img file that I should flash, in case my son tried to flash an unsupported kernel?
C:\Program Files\Android\android-sdk\tools>fastboot flash bootloader bootloader
img
sending 'bootloader' (1536 KB)... OKAY
writing 'bootloader'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot reboot-bootloader
rebooting into bootloader... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot flash radio radio.img
sending 'radio' (15232 KB)... OKAY
writing 'radio'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot reboot-bootloader
rebooting into bootloader... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot flash system system.img
sending 'system' (174451 KB)... OKAY
writing 'system'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot flash userdata userdata.img
sending 'userdata' (18796 KB)... OKAY
writing 'userdata'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot flash boot boot.img
sending 'boot' (2904 KB)... OKAY
writing 'boot'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot flash recovery recovery.img
sending 'recovery' (3144 KB)... OKAY
writing 'recovery'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot erase cache
erasing 'cache'... OKAY
C:\Program Files\Android\android-sdk\tools>fastboot reboot
rebooting...
C:\Program Files\Android\android-sdk\tools>

That included stock kernel.
Man you might just want to fastboot oem lock and send the phone. Those were factory images... if they don't work it means hw issues.
Sent from my Nexus S 4G using XDA

rasengan82 said:
That included stock kernel.
Man you might just want to fastboot oem lock and send the phone. Those were factory images... if they don't work it means hw issues.
Sent from my Nexus S 4G using XDA
Click to expand...
Click to collapse
I agree. If this does not work, send the phone back to Sprint.

I really appreciate y'all trying to help. I will see if Sprint will be kind enough to exchange it. Thanks again.

Possible Bricked Tablet - Please Help!

I think i may have bricked my nexus 10.. I was trying to install the chainfire3d application from the market, and when it rebooted, it wouldnt go past the X logo. waited for a long time, so i tried a hard reset, and still nothing. So i figured i would try using the toolkit to help fix. tried to relock, flash, and re-unlock, and it wouldnt work..after the step where you go into factory reset/wipe, it woudlnt go further. I cant get a custom recovery to install, it wont save the file. tried doing that step separately, and it seems to stick on sending the file over. this seems to be a common issue with anything i try.
The screen says:
"sending TWRP touch recovery..
sending 'recovery' (7246 KB) ...
and is just stuck there. this seems to happen in several places, with a few different things ive tried. When trying to flash the stock image, it will get stuck in similar places, perhaps not with the recovery step, but with a portion of the stock image. Been at this for a couple of hours... any help would be greatly appreciated!.
Also, as of now... it wont boot past the google logo. I can get it into fastboot by holding down the buttons, and I can get it into the stock recovery, but thats it. I don't even think adb is detecting the device. I have a feeling that may be a major roadblock to getting this thing fixed. Does anyone know how I can get the tablet to be detected by adb if i cant even get past the google logo screen at boot?
Update 1:
Still cant unbrick my device. any time i try to transfer or flash files to it... it stalls, and if i disconnect the device, i get this error:
FAILED (data transfer failure (too many links)).
Your Device will now boot into Android and detect ADB mode.
problem is, it doesnt reboot, and even if it did, it wouldnt be able to boot into android, since it wont go past the google logo when the device turns on. in fact, i cant even turn it off. only way to turn it off would be to wait for the battery to drain.
If this helps, here is what it says on the fastboot screen:
Device Information
Product Name: manta
Variant: wifi
H/W version : 8
Bootloader Version: MANTALJ12
Carrier Info: none
Serial Number: *********** (not going to publish that, lol)
LOCK STATE: Unlocked
Reboot Mode Flag: none.
anyone have any ideas at all how I can salvage this thing? Im kindof embarrassed honestly. Ive had 5 android devices prior to this one, and have rooted, flashed, and reflashed each of them countless times, and never, ever ran into this before. I could really use the help.
Quick note:
I just noticed that when i try to flash anything to the tablet, the following appears under the rest of the info i listed above.
FASTBOOT STATUS - DATA00713800 (this text is highlighted in light blue)
Update 2:
ok, so i tried to do the factory restore, and am running into the same wall as always. here is the text from the window, perhaps that may clue you into the problem:
7-Zip (A) 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18
Processing archive: put_google_factory_image_here\mantaray-jop40c-factory-0d641789.tg
z
Extracting mantaray-jop40c-factory-0d641789.tar
Everything is Ok
Size: 329369600
Compressed: 326396069
Now extracting flashable Images
7-Zip (A) 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18
Processing archive: put_google_factory_image_here\mantaray-jop40c-factory-0d641789.ta
r
Extracting mantaray-jop40c
Extracting mantaray-jop40c\image-mantaray-jop40c.zip
Extracting mantaray-jop40c\flash-base.sh
Extracting mantaray-jop40c\bootloader-manta-mantalj12.img
Extracting mantaray-jop40c\flash-all.sh
Extracting mantaray-jop40c\flash-all.bat
Everything is Ok
Folders: 1
Files: 5
Size: 329358105
Compressed: 329369600
Factory Images extracted. Starting Flash Process.
Now Flashing Bootloader Image..
sending 'bootloader' (1280 KB)... OKAY [ 0.232s]
writing 'bootloader'... OKAY [ 0.113s]
finished. total time: 0.345s
rebooting into bootloader... OKAY [ 0.001s]
finished. total time: 0.001s
Now Flashing Factory Image: Boot, Cache, Recovery, System and Userdata..
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
--------------------------------------------
Bootloader Version...: MANTALJ12
Baseband Version.....: no modem
Serial Number........: R32CB01KDWW
--------------------------------------------
checking product... OKAY [ 0.001s]
checking version-bootloader... OKAY [ 0.002s]
sending 'boot' (4606 KB)...
Its just stuck on that last part, sending 'boot' (4606 KB)...
and under all the info on the fastboot page, the following appeared while this was happening:
FASTBOOT STATUS - DATA0047f800 (this line is highlighted in light blue)

*Bump* That's really unfortunate. I managed to fixed my soft brick after unlocking and flashing TWRP with a factory image. There was no highlighted blue text, everything went smooth. I hope your issue get fixed
P.S. I did not use the toolkit. If you can boot to your bootloader (fastboot), try running the shell/batch scripts included with the factory image? (This is just following Google's instruction on the factory image download page)

cuguy said:
*Bump* That's really unfortunate. I managed to fixed my soft brick after unlocking and flashing TWRP with a factory image. There was no highlighted blue text, everything went smooth. I hope your issue get fixed
P.S. I did not use the toolkit. If you can boot to your bootloader (fastboot), try running the shell/batch scripts included with the factory image? (This is just following Google's instruction on the factory image download page)
Click to expand...
Click to collapse
can you link it?

cuguy said:
*Bump* That's really unfortunate. I managed to fixed my soft brick after unlocking and flashing TWRP with a factory image. There was no highlighted blue text, everything went smooth. I hope your issue get fixed
P.S. I did not use the toolkit. If you can boot to your bootloader (fastboot), try running the shell/batch scripts included with the factory image? (This is just following Google's instruction on the factory image download page)
Click to expand...
Click to collapse
trying that....
so far so good... dont want to get my hopes up though... below is what ive got so far in the cmd screen:
sending 'bootloader' (1280 KB)...
OKAY [ 0.162s]
writing 'bootloader'...
OKAY [ 0.125s]
finished. total time: 0.288s
rebooting into bootloader...
OKAY [ 0.002s]
finished. total time: 0.003s
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
--------------------------------------------
Bootloader Version...: MANTALJ12
Baseband Version.....: no modem
Serial Number........: R32CB01KDWW
--------------------------------------------
checking product...
OKAY [ 0.001s]
checking version-bootloader...
OKAY [ 0.002s]
sending 'boot' (4606 KB)...
OKAY [ 32.528s]
writing 'boot'...
OKAY [ 0.116s]
sending 'recovery' (5106 KB)...
OKAY [ 56.840s]
writing 'recovery'...
OKAY [ 0.119s]
sending 'system' (528847 KB)...

Its been about 30 minutes now... and its still stuck on "sending 'system' (528847 KB)..." in the cmd window.... not sure what that means... it did take about a minute for the recovery to get sent over, and its about 100x larger in size, so i guess i will leave it connected like this for the next hour or so... and hope that it is just going REALLY slowly. Got my fingers crossed...

Battery died while waiting.... this is the complete text of the CMD screen while i was waiting.. forgot that it doesnt charge while in fastboot. got it plugged into an outlet for faster charging while its off.... hopefully when its charged up, i can try again and ill continue to progress
sending 'bootloader' (1280 KB)...
OKAY [ 0.162s]
writing 'bootloader'...
OKAY [ 0.125s]
finished. total time: 0.288s
rebooting into bootloader...
OKAY [ 0.002s]
finished. total time: 0.003s
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
--------------------------------------------
Bootloader Version...: MANTALJ12
Baseband Version.....: no modem
Serial Number........: R32CB01KDWW
--------------------------------------------
checking product...
OKAY [ 0.001s]
checking version-bootloader...
OKAY [ 0.002s]
sending 'boot' (4606 KB)...
OKAY [ 32.528s]
writing 'boot'...
OKAY [ 0.116s]
sending 'recovery' (5106 KB)...
OKAY [ 56.840s]
writing 'recovery'...
OKAY [ 0.119s]
sending 'system' (528847 KB)...
FAILED (data transfer failure (Too many links))
finished. total time: 3941.094s
Press any key to exit...

Did you try to run e2fsck on all partitions (boot, system, userdata) and check whether there are any errors?
You can run it via adb once you boot into TWRP or CWM recovery. Here is more info:
http://forum.xda-developers.com/showthread.php?p=34923662
Ps.
I also bricked my nexus 10 while transferring files on it in windows. Nothing so far helped me. e2fsck doesn't see any partitions
I believe this is something to-do with a corrupted flash memory. Your case looks about the same.

jodvova said:
Did you try to run e2fsck on all partitions (boot, system, userdata) and check whether there are any errors?
You can run it via adb once you boot into TWRP or CWM recovery. Here is more info:
http://forum.xda-developers.com/showthread.php?p=34923662
Ps.
I also bricked my nexus 10 while transferring files on it in windows. Nothing so far helped me. e2fsck doesn't see any partitions
I believe this is something to-do with a corrupted flash memory. Your case looks about the same.
Click to expand...
Click to collapse
I cant get it to load a custom recovery! any advice on how to get that going?

ltracte said:
I cant get it to load a custom recovery! any advice on how to get that going?
Click to expand...
Click to collapse
So, if you run "fastboot boot twrp-image.img" under your current bootloader it doesn't boot it?
Also, If I remember it correctly, you can also boot in to a existing recovery and then run shell commands via adb.

ltracte said:
I cant get it to load a custom recovery! any advice on how to get that going?
Click to expand...
Click to collapse
Dumb question, if using a desktop PC are you using the front or rear USB ports? I had a similar issue where it would just get stuck on the "sending system" message. Switched the USB from front port to back port on my linux box and it solved my problem.
Sent from my Nexus 10 using Tapatalk 2

jodvova said:
So, if you run "fastboot boot twrp-image.img" under your current bootloader it doesn't boot it?
Also, If I remember it correctly, you can also boot in to a existing recovery and then run shell commands via adb.
Click to expand...
Click to collapse
i got twrp to load that way! thanks... what now? i cant get the device to mount so i can put the zip file of a rom on there.

ltracte said:
i got twrp to load that way! thanks... what now? i cant get the device to mount so i can put the zip file of a rom on there.
Click to expand...
Click to collapse
What I meant was, you can now run e2fsck and check all partitions for consistency. Refer to a thread that I posted a few comments back. You can run e2fsck either via a terminal session in TWRP or via adb shell.

jodvova said:
What I meant was, you can now run e2fsck and check all partitions for consistency. Refer to a thread that I posted a few comments back. You can run e2fsck either via a terminal session in TWRP or via adb shell.
Click to expand...
Click to collapse
couldnt get the command to work via adb, so i tried it using terminal inside TWRP, and this what it spit back at me:
/dev/block/platform/dw_mmc.0/by-name/system: clean. 11/51296 files. 6651/204800 blocks
i have no idea what that means, nor what else to do....

Fixed it!!!!

ltracte said:
Fixed it!!!!
Click to expand...
Click to collapse
Glad you fixed your problem. Please post any relevant information that may help people in the same situation.
Mark.

mskip said:
Glad you fixed your problem. Please post any relevant information that may help people in the same situation.
Mark.
Click to expand...
Click to collapse
well.. i loaded it into the bootloader, unzipped the factory image, and everything inside it into the platform-tools folder in my android sdk directory on my pc so i could use ADB
then i did the following via adb
fastboot flash bootloader bootloader-manta-mantalj12.img
fastboot reboot-bootloader
fastboot -w update image-mantaray-jop40c.zip.
the first time it got stuck pushing the system.img file, i let it run for almost an hour before giving up. then the battery on the tablet died. let it charge for about an hour, plugged it back in, reran the last command from above, and for some reason, the whole thing went through without a hitch. wish i could explain why it worked that time, but I cant. hope this helps someone else that encountered the issue.
thanks again to everyone that offered any input!

Whew! So glad you finally had success & thanks for sharing. I'm reading up, research, etc. I received my N10 yesterday. I'm getting ready to unlock/root today.
Sent from my Nexus 7 using Tapatalk 2

ltracte said:
well.. i loaded it into the bootloader, unzipped the factory image, and everything inside it into the platform-tools folder in my android sdk directory on my pc so i could use ADB
then i did the following via adb
fastboot flash bootloader bootloader-manta-mantalj12.img
fastboot reboot-bootloader
fastboot -w update image-mantaray-jop40c.zip.
the first time it got stuck pushing the system.img file, i let it run for almost an hour before giving up. then the battery on the tablet died. let it charge for about an hour, plugged it back in, reran the last command from above, and for some reason, the whole thing went through without a hitch. wish i could explain why it worked that time, but I cant. hope this helps someone else that encountered the issue.
thanks again to everyone that offered any input!
Click to expand...
Click to collapse
Hmm, did you try the flash-all.bat file that comes with the factory image? It does those 3 commands, + erases all partitions automatically.

ltracte said:
well.. i loaded it into the bootloader, unzipped the factory image, and everything inside it into the platform-tools folder in my android sdk directory on my pc so i could use ADB
then i did the following via adb
fastboot flash bootloader bootloader-manta-mantalj12.img
fastboot reboot-bootloader
fastboot -w update image-mantaray-jop40c.zip.
the first time it got stuck pushing the system.img file, i let it run for almost an hour before giving up. then the battery on the tablet died. let it charge for about an hour, plugged it back in, reran the last command from above, and for some reason, the whole thing went through without a hitch. wish i could explain why it worked that time, but I cant. hope this helps someone else that encountered the issue.
thanks again to everyone that offered any input!
Click to expand...
Click to collapse
That's exactly what I did. Just followed the factory image flashing instruction on google's page(where you download the image file for N10). Did you figure out why it wassnt able to transfer the first time?

[Q] nexus 10 Bootloop - CWM exits in 30 secs or so `

Hi,
I recently got a nexus 10, and started working on rooting. I have unlocked it, installed CWM recovery and booted it twice. I have not rooted it yet. Now I realized, that everytime I entered the CWM recovery mode, it automatically reboots back into recovery or normal boot in about 30 seconds or so. (this is not the main problem!)
But one booting up second time, I got a notification of sytem update for 4.2 jellybean (please note initially the device was on 4.2 JB JVP15P), I clicked on install, it booted into CWM recovery, but then it failed to continue with installation, as it complained about authentication failure for the zip fle or something of that sort. So I chose to boot the device without installing the update, now it entered a boot loop. I have tried erasing cache and userdata (both using fastboot commandline, and options in the CWM - in the 30 secs I get). It did not work.
After trying it for a few times, I tried restoring some backups I had made. Initially it complained about MD5 mismatch, and then later on it complained about unable to mount cache/* and unable to mount sdcard.
I have read around and the universal solution seems to be to restore stock images. Is that the solution for me as well?
Any help would be greatly appreciated, and I am noob in this area, so pardon me if I act like one.
cheers,
brickin

I'd like to know part of the answer to this as well. The tab is running fine and TWRP works fine, but CWM constantly reboots and I have the same mounting problems within both CWM and TWRP. I've tried flashing stock image and recovery but it's made no difference.

IIRC, the newest CWM has an issue with devices that allow multiple users (aka: N7 and N10). Flash TWRP and don't look back.
Sent from my Galaxy Nexus using Tapatalk 2
---------- Post added at 06:07 AM ---------- Previous post was at 06:05 AM ----------
Also, TWRP supports USB OTG while CWM doesn't.
Sent from my Galaxy Nexus using Tapatalk 2

I was having a similar issue with cwm. This explains everything.

Blueback22 said:
IIRC, the newest CWM has an issue with devices that allow multiple users (aka: N7 and N10). Flash TWRP and don't look back.
Sent from my Galaxy Nexus using Tapatalk 2
---------- Post added at 06:07 AM ---------- Previous post was at 06:05 AM ----------
Also, TWRP supports USB OTG while CWM doesn't.
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
Hi Blueback22,
Thanks a lot for your reply.
Would flashing TWRP solve everything? And also is it ok to flash TWRP now, would it be able to restore the backups I have made using CWM?
Do I need to uninstall or remove the CWM recovery image that has alreday been flashed? or will TWRP image overwrite it?
How do I solve the bootloop issue?
I am unable to get a stock image for JB version: JVP15P. Do you know where I can find the factory image for that?
OR is it ok for me to flash the JOP40C image? Would it cause any problems - (like would it cry saying checksum mismatch or something like that)?
Also, what is the solution for unable to mount sdcard problem?
Sorry for asking so many questions, but I do not wish to brick my device, hence I wish to understand what I am going to do, and ensure that it is not going to harm my device.
Your replies to this post is and will be deeply appreciated.
Thanks,
brickin

brickin said:
Hi Blueback22,
Thanks a lot for your reply.
Would flashing TWRP solve everything? And also is it ok to flash TWRP now, would it be able to restore the backups I have made using CWM?
Do I need to uninstall or remove the CWM recovery image that has alreday been flashed? or will TWRP image overwrite it?
How do I solve the bootloop issue?
I am unable to get a stock image for JB version: JVP15P. Do you know where I can find the factory image for that?
OR is it ok for me to flash the JOP40C image? Would it cause any problems - (like would it cry saying checksum mismatch or something like that)?
Also, what is the solution for unable to mount sdcard problem?
Sorry for asking so many questions, but I do not wish to brick my device, hence I wish to understand what I am going to do, and ensure that it is not going to harm my device.
Your replies to this post is and will be deeply appreciated.
Thanks,
brickin
Click to expand...
Click to collapse
If I were you, I would use WugFresh's toolkit to flash back to stock. Then I'd flash TWRP and start from scratch.
I don't know if TWRP will fix your issue all together, but I do remember hearing that there's an issue with CWM on the N10 right now.
Your CWM backups won't work on TWRP IIRC.
Here is where you can get stock images:
https://developers.google.com/android/nexus/images
Sent from my Galaxy Nexus using Tapatalk 2

Hi Blueback22,
Thanks for the help. I was able to fix the problem.
Here are the questions I had and the answers I found, please correct me if I am wrong.
1. My JB version is JVP15P, is it ok to flash JOP40C stock recovery image?
ans: yes
2. Does TWRP work perfectly with nexus 10?
ans: Atleast in my case it did, I was able to root my device, and was also able to take backups.
3. a. CWM complains E: Can't mound /sdcard !
b. CWM Keeps restarting within 30 secs or so !
c. My device is stuck in bootloop !
ans: First, try to wipe your cache, and userdata and reboot. If it does not solve, then flash stock factory image for your device and flash TWRP recovery image.
4. CWM complains E: can't mount /cache/*
ans: Wipe your cache, userdata and reboot.
Reiterating blueback22's point:
DO NOT USE CWM WITH NEXUS 10. USE TWRP INSTEAD.
Cheers,
brickin

BRICKED: OLd bootloader version wont update
C:\android-sdk\platform-tools>fastboot flash bootloader bootloader-manta-mantalj12.img
sending 'bootloader' (1280 KB)...
OKAY [ 0.168s]
writing 'bootloader'...
OKAY [ 0.143s]
finished. total time: 0.318s
C:\android-sdk\platform-tools>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [ 0.006s]
finished. total time: 0.009s
C:\android-sdk\platform-tools>fastboot flash bootloader bootloader-manta-mantalj12.img
sending 'bootloader' (1280 KB)...
OKAY [ 0.170s]
writing 'bootloader'...
OKAY [ 0.145s]
finished. total time: 0.323s
C:\android-sdk\platform-tools>fastboot -w update image-mantaray-jop40c.zip
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
--------------------------------------------
Bootloader Version...: MANTALJ09
Baseband Version.....: no modem
Serial Number........:
--------------------------------------------
checking product...
OKAY [ 0.002s]
checking version-bootloader...
FAILED
Device version-bootloader is 'MANTALJ09'.
Update requires 'MANTALJ12'.
finished. total time: 0.063s
I tried one click root and wug's root kits, but there wasn't any luck in returning to stock and stuck in older bootloader without the possibility of returning to stock. I am stuck in Clockworkmod v6.0.1.9 loops. Tried to search the forum but I couldnt find anything.

ginsboon said:
C:\android-sdk\platform-tools>fastboot flash bootloader bootloader-manta-mantalj12.img
sending 'bootloader' (1280 KB)...
OKAY [ 0.168s]
writing 'bootloader'...
OKAY [ 0.143s]
finished. total time: 0.318s
C:\android-sdk\platform-tools>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [ 0.006s]
finished. total time: 0.009s
C:\android-sdk\platform-tools>fastboot flash bootloader bootloader-manta-mantalj12.img
sending 'bootloader' (1280 KB)...
OKAY [ 0.170s]
writing 'bootloader'...
OKAY [ 0.145s]
finished. total time: 0.323s
C:\android-sdk\platform-tools>fastboot -w update image-mantaray-jop40c.zip
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
archive does not contain 'system.sig'
--------------------------------------------
Bootloader Version...: MANTALJ09
Baseband Version.....: no modem
Serial Number........:
--------------------------------------------
checking product...
OKAY [ 0.002s]
checking version-bootloader...
FAILED
Device version-bootloader is 'MANTALJ09'.
Update requires 'MANTALJ12'.
finished. total time: 0.063s
I tried one click root and wug's root kits, but there wasn't any luck in returning to stock and stuck in older bootloader without the possibility of returning to stock. I am stuck in Clockworkmod v6.0.1.9 loops. Tried to search the forum but I couldnt find anything.
Click to expand...
Click to collapse
Can you get into the boot loader and flash TWRP to see if that fixes it?
Sent from my Galaxy Nexus using Tapatalk 2

ginsboon said:
returning to stock. I am stuck in Clockworkmod v6.0.1.9 loops. Tried to search the forum but I couldnt find anything.
Click to expand...
Click to collapse
Why don't you try cwm 6.0.2.3? I also loaded 6.0.1.9 and it would reboot in about 30sec time. After going to the latest, cwm has been stable. No more random reboots.
Link to download the latest version...
http://www.clockworkmod.com/rommanager

cowabunga said:
Why don't you try cwm 6.0.2.3? I also loaded 6.0.1.9 and it would reboot in about 30sec time.
I tried to flash cwm 6.0.2.3 and twrp but failed. Still searching for some clues.
Click to expand...
Click to collapse

For OP and other N10 users with stock 4.2 JB Build JVP15P experience:
Is it possible to use the available toolkits (Wug's or mskip's) to unlock the bootloader and root a N10 with the configuration above? Both toolkits ask for Build JOP40C. I've searched the developer forum for this build and found nothing. Thanks!

Bricked 2012 Wifi Only Nexus 7, Please Help

Sorry if this has been addressed but I've been searching and reading and freaking out because I can't find out how to recover my Nexus 7.
I'm trying to manually update my 2012 Wifi Only Nexus 7 to Lollipop and my computer will not see the device any longer in ADB.
I downloaded the latest sdk and the latest image file (Nakasi 5.0.2 (LRX22G).
Ran through the steps found here: http://www.androidcentral.com/how-manually-upgrade-your-nexus
At this step fastboot flash bootloader [bootloader file].img it just sat there for about an hour and didn't do anything.
***Edit- I got it to work and then got the invalidstate error.
I then read that others have had success updating to Lollipop without updating there bootloader here: http://android.stackexchange.com/qu...t-flash-bootloader-failed-remote-invalidstate
***This is because my bootloader was already on 4.23.***
I then proceeded with fastboot -w update [image file].zip
The image failed after wiping everything with an error about too many links.
Now when I try I get "C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>fastboot -w upd
ate image-nakasi-lrx22g.ziparchive does not contain 'boot.sig'"
At this point, I can't get any adb commands to work as the device is not showing up as a connected device. I've rebooted my pc and the tablet multiple times. Fastboot keeps crashing as well.
Please help me get my Nexus back up and running. Thanks so much.

The Bootloader in the factory image is not valid see here
If you still can get into fastboot on your device,
Extract the img files from the zip file and manually flash each of them.
Alternatively, you could extract all the .img files in the zip file and flash them manually one at a time. This makes things really handy if you're using the factory image to act as an update rather than a complete return to stock. If trying to update using the factory image, extract the .img from the zip file into the same directory as your bootloader and radio img files and execute the following commands in order:
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash cache cache.img
Click to expand...
Click to collapse
Quote taken from here

corkiejp said:
The Bootloader in the factory image is not valid see here
If you still can get into fastboot on your device,
Extract the img files from the zip file and manually flash each of them.
Quote taken from here
Click to expand...
Click to collapse
Thanks, this is what I get
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>adb devices
List of devices attached
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>fastboot flash
system system.img
sending 'system' (648819 KB)...
FAILED (command write failed (No such device or address))
finished. total time: 0.016s
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>

touch_rules said:
Thanks, this is what I get
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>adb devices
List of devices attached
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>fastboot flash
system system.img
sending 'system' (648819 KB)...
FAILED (command write failed (No such device or address))
finished. total time: 0.016s
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>
Click to expand...
Click to collapse
Are you in fastboot mode?
Step 4: Make sure the device is connected to the computer while in fastboot mode. Different devices may require different commands to get into fastboot mode. Make sure the device is powered off and then use the following button commands:
Nexus 7 - Vol Down + Power
Click to expand...
Click to collapse
Since you issued an Adb command first, suggest your not?
Another option would be to use Wugfresh Nexus Root toolkit and set the option to "Force Flash Mode" in Options Flash Stock.

corkiejp said:
Are you in fastboot mode?
Since you issued an Adb command first, suggest your not?
Another option would be to use Wugfresh Nexus Root toolkit and set the option to "Force Flash Mode" in Options Flash Stock.
Click to expand...
Click to collapse
Yes, I am. Please take a look at this picture. Thanks.
View attachment 3085046

Now I'm getting this At least it's different
C:\Users\John\Desktop\Nexus 7\Android\android-sdk\platform-tools>fastboot flash
system system.img
erasing 'system'...
FAILED (status read failed (Too many links))
finished. total time: 0.176s

corkiejp said:
Another option would be to use Wugfresh Nexus Root toolkit and set the option to "Force Flash Mode" in Options Flash Stock.
Click to expand...
Click to collapse
Noticed this part after I posted last, seems to be working....I'll let you know. Thanks so much. Wish I would have seen the toolkit earlier today when I started haha.

You rock corkiejp! Working like a champ now! Thanks so much.

I had exactly the same problem and ended up using Wug's toolkit and the individual images.
Sent from my Nexus 7 using XDA Free mobile app

I literally had it restore the factory image and it did it all. Made sure I had force flash checked.

Man, I really need some help here. i am in a almost exact situation here. Only thing different is that my tablet is locked. I go to wugs and flash stock image and get stuck on "waiting for device".
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Any help would be highly appreciated!!!

Your bootloader is locked.
rayandreas said:
Man, I really need some help here. i am in a almost exact situation here. Only thing different is that my tablet is locked. I go to wugs and flash stock image and get stuck on "waiting for device". View attachment 3237509
Any help would be highly appreciated!!!
Click to expand...
Click to collapse
Hi, rayandreas...
Something is definately not quite right with your posted screenshot/output.
Transcribing it as follows, we have...
Code:
erasing 'boot'...
OKAY [ 1.154s]
finished. total time: 1.155s
******** Did you mean to fastboot format this partition?
erasing 'cache'...
OKAY [ 3.045s]
finished. total time: 3.045s
erasing 'recovery'...
OKAY [ 0.240s]
finished. total time: 0.241s
******** Did you mean to fastboot format this partition?
erasing 'system'...
OKAY [ 0.014s]
finished. total time: 0.014s
******** Did you mean to fastboot format this partition?
erasing 'userdata'...
OKAY [ 0.014s]
finished. total time: 0.014a
So far, so good.
I can see nothing wrong with this output, thus far... and I've seen something similar on my Nexus 7 many times when I've fastboot flashed stuff.
----
But then this bombshell hits!!
Code:
sending 'bootloader' <2100 KB>...
[COLOR=RED][B]
FAILED <remote: Bootloader is locked.>
[/B][/COLOR]
finished. total time: 0.015s
rebooting into bootloader...
OKAY [ 0.020s]
finished. total time: 0.020s
< waiting for device >
----
WTF!!!
Bootloader is now locked!
How is this even remotely possible?
----
If the bootloader is locked, the first half of your posted output simply shouldn't have been possible... But yet, your screenshot proves otherwise.
The bootloader is either locked and NO fastboot flash commands are possible, or the bootloader is unlocked and ALL fastboot flash commands are possible...
Your Nexus 7 seems to have 'changed its mind' about its bootloader lock status, halfway through fastboot flashing!!!
----
To determine the bootloader lock status of your Nexus 7, you need to boot your Nexus 7 into it's bootloader manually...
*** shut down the device completely.
*** press and hold VOL DOWN, and press POWER ON.
*** the text in the lower left hand corner of the screen should indicate the devices bootloader locked status.
See my attached screenshot for the sort of thing you should expect to see if the bootloader is unlocked.
---
If it's locked, try unlocking it manually (ie, via fastboot), with...
Code:
fastboot oem unlock
Hope this helps.
Rgrds,
Ged.

GedBlake said:
Hi, rayandreas...
Something is definately not quite right with your posted screenshot/output.
Transcribing it as follows, we have...
Code:
erasing 'boot'...
OKAY [ 1.154s]
finished. total time: 1.155s
******** Did you mean to fastboot format this partition?
erasing 'cache'...
OKAY [ 3.045s]
finished. total time: 3.045s
erasing 'recovery'...
OKAY [ 0.240s]
finished. total time: 0.241s
******** Did you mean to fastboot format this partition?
erasing 'system'...
OKAY [ 0.014s]
finished. total time: 0.014s
******** Did you mean to fastboot format this partition?
erasing 'userdata'...
OKAY [ 0.014s]
finished. total time: 0.014a
So far, so good.
I can see nothing wrong with this output, thus far... and I've seen something similar on my Nexus 7 many times when I've fastboot flashed stuff.
----
But then this bombshell hits!!
Code:
sending 'bootloader' <2100 KB>...
[COLOR=RED][B]
FAILED <remote: Bootloader is locked.>
[/B][/COLOR]
finished. total time: 0.015s
rebooting into bootloader...
OKAY [ 0.020s]
finished. total time: 0.020s
< waiting for device >
----
WTF!!!
Bootloader is now locked!
How is this even remotely possible?
----
If the bootloader is locked, the first half of your posted output simply shouldn't have been possible... But yet, your screenshot proves otherwise.
The bootloader is either locked and NO fastboot flash commands are possible, or the bootloader is unlocked and ALL fastboot flash commands are possible...
Your Nexus 7 seems to have 'changed its mind' about its bootloader lock status, halfway through fastboot flashing!!!
----
To determine the bootloader lock status of your Nexus 7, you need to boot your Nexus 7 into it's bootloader manually...
*** shut down the device completely.
*** press and hold VOL DOWN, and press POWER ON.
*** the text in the lower left hand corner of the screen should indicate the devices bootloader locked status.
See my attached screenshot for the sort of thing you should expect to see if the bootloader is unlocked.
---
If it's locked, try unlocking it manually (ie, via fastboot), with...
Code:
fastboot oem unlock
Hope this helps.
Rgrds,
Ged.
Click to expand...
Click to collapse
Thank you for even taking time for helping me thus far. I can say that it states the boot loader is locked. I have tried using wugs to unlock it but it doesn't work. I can't boot it up either. Just stays on the google splash screen. I am at a loss at what to do as of now. If I could get some help on how to rescue this thing I would be glad to donate a 12 pack or a 10 coffee or something. I received the tablet this way. I am hoping to fix it so my wife can use it.

rayandreas said:
Thank you for even taking time for helping me thus far. I can say that it states the boot loader is locked. I have tried using wugs to unlock it but it doesn't work. I can't boot it up either. Just stays on the google splash screen. I am at a loss at what to do as of now. If I could get some help on how to rescue this thing I would be glad to donate a 12 pack or a 10 coffee or something. I received the tablet this way. I am hoping to fix it so my wife can use it.
Click to expand...
Click to collapse
Hi again, rayandreas...
If it where my tablet, I'd just fastboot flash the Google factory stock image for your device.
The Google factory stock image for your device can be found here...
https://developers.google.com/android/nexus/images#nakasi
There's little point in my re-inventing the wheel by writing yet another tutorial... full details and instructions can be found here...
[GUIDE] Flashing a Factory Image with fastboot / return to stock
----
But all of this is contingent upon successfully UNLOCKING THE BOOTLOADER.
The bootloader needs to be unlocked, before anything can be fastboot flashed.
Whilst this can be done with toolkits (such as Wugs), I personally prefer to deal with fastboot directly (instead of through a layer of GUI polished menus and dialogue boxes).
----
From power-down state, or to force boot the device into its bootloader...
** Press and hold VOL-DOWN.
** Whilst holding VOL-DOWN, press POWER ON.
** Keep BOTH buttons pressed for a good 30 seconds.
If successful, you should see a GREEN ANDROID lying on its back...
----
USB connect it to your laptop/PC. Ensure you have the correct drivers installed on your laptop/PC as per the instructions detailed in the above link.
The command is as follows...
Code:
fastboot oem unlock
Due to security considerations, this command will wipe the Nexus 7, and you will be advised of this by the Nexus 7 itself, and you'll also need to confirm the bootloader unlock request at the Nexus 7 end via a confirmation dialogue box.
(See the attached screenshot for the sort of thing you should expect to see).
If successful, you should see an unlocked padlock symbol at the bottom of the screen, underneath the Google logo, whenever the device boots.
----
Unlocking the bootloader is critical if you wish to fastboot flash anything. Even official Google factory stock images require an unlocked bootloader to be fastboot flashed. And with the Google recommendation that the bootloader is re-locked afterwards with...
Code:
fastboot oem lock
This is optional of course, and I would generally recommend against it, because if you wish to unlock the bootloader again at some future date, it will wipe/factory reset the device...
General point of advice: Once Unlocked - Leave it Unlocked.
---
Hope this helps... and good luck.
Rgrds,
Ged.

View attachment 3240619
Man, it was looking promising. Went into boot loader, asked me if I wanted to unlock and then it failed : ( This is crazy!!! Please see attached pics. Any other ideas? I am at a loss...

rayandreas said:
View attachment 3240618
View attachment 3240619
View attachment 3240620
Man, it was looking promising. Went into boot loader, asked me if I wanted to unlock and then it failed : ( This is crazy!!! Please see attached pics. Any other ideas? I am at a loss...
Click to expand...
Click to collapse
Maybe your bootloader is corrupted? @GedBlake, can you provide him with latest 4.23 bootloader? I was searching the web and found out some bootloaders can be bad. Someone correct me if I said something wrong(just trying to help xD)

Fobos531 said:
Maybe your bootloader is corrupted? @GedBlake, can you provide him with latest 4.23 bootloader? I was searching the web and found out some bootloaders can be bad. Someone correct me if I said something wrong(just trying to help xD)
Click to expand...
Click to collapse
Man, I'll try anything. It is really racking my brain!
Thanks guys, for all the help so far...

rayandreas said:
Man, I'll try anything. It is really racking my brain!
Thanks guys, for all the help so far...
Click to expand...
Click to collapse
According to this article, some of bootloaders were corrupted or what. Update NRT masterlists in the toolkit and try flashing the latest bootloader if that is possible through the toolkit. Maybe it will let you to unlock the bootloader afterwards. If the toolkit can't do that for you, download latest factory image(4.4.4 or 5.1, what you desire) and extract the bootloader from the image. It will probably be named "bootloader-nakasi....." Try manually flashing it through CMD/ADB using "fastboot flash bootloader "name of bootloader file". I repeat, I don't have much experience with this tablet, but I'm doing what I can. Try doing what I suggested, maybe it'll work. You can't make it worse after all Good luck!
EDIT: In the link I posted, there are some neat instructions and a link to the new bootloader down the page. Make sure to check that out too.

I did update the NRT images and tried again with no luck. I also tried going into recovery and this is what I get. So, it looks like I have a crazy locked boot loader and no recovery at all. I am trying the other method now. We shall see!
Thanks for all the help so far. It means a lot!

rayandreas said:
I did update the NRT images and tried again with no luck. I also tried going into recovery and this is what I get. So, it looks like I have a crazy locked boot loader and no recovery at all. I am trying the other method now. We shall see!
Thanks for all the help so far. It means a lot!
View attachment 3242733
Click to expand...
Click to collapse
You actually have a recovery, a stock one. While at that screen, press Volume Up + Power for 1 sec( or only Volume Up, not sure) to access it. You can try doing a factory reset there if that helps anyhow.

Can't Flash TWRP

Hello. I am on 6.0.1 MMB29M trying to flash TWRP. I get this error message while doing this.
c:\angler>fastboot flash bootloader twrp-2.8.7.2-angler.img
target reported max download size of 494927872 bytes
sending 'bootloader' (16880 KB)...
OKAY [ 0.392s]
writing 'bootloader'...
FAILED (remote: partition table doesn't exist)
finished. total time: 0.414s
Bootloader is unlocked as well as debugging. I have followed a lot of different guides but can't get passed this error. I had TWRP working on MDB08K but the camera was not working for some strange reason. If anyone can help me get TWRP on MMB29M, that would be great.

bauwoo said:
Hello. I am on 6.0.1 MMB29M trying to flash TWRP. I get this error message while doing this.
c:\angler>fastboot flash bootloader twrp-2.8.7.2-angler.img
target reported max download size of 494927872 bytes
sending 'bootloader' (16880 KB)...
OKAY [ 0.392s]
writing 'bootloader'...
FAILED (remote: partition table doesn't exist)
finished. total time: 0.414s
Bootloader is unlocked as well as debugging. I have followed a lot of different guides but can't get passed this error. I had TWRP working on MDB08K but the camera was not working for some strange reason. If anyone can help me get TWRP on MMB29M, that would be great.
Click to expand...
Click to collapse
Your command is wrong, The command to use is: fastboot flash recovery twrp.the name of your file.img

Just like @jawmail said, you're flashing twrp on the bootloader """slot""
-fastboot flash recovery ***TWPR***.img
-fastboot reboot-bootloader
When your phone reboots, using your volume keys, search for "recovery" and using the power button, confirm it.
PROFIT

bauwoo said:
Hello. I am on 6.0.1 MMB29M trying to flash TWRP. I get this error message while doing this.
c:\angler>fastboot flash bootloader twrp-2.8.7.2-angler.img
target reported max download size of 494927872 bytes
sending 'bootloader' (16880 KB)...
OKAY [ 0.392s]
writing 'bootloader'...
FAILED (remote: partition table doesn't exist)
finished. total time: 0.414s
Bootloader is unlocked as well as debugging. I have followed a lot of different guides but can't get passed this error. I had TWRP working on MDB08K but the camera was not working for some strange reason. If anyone can help me get TWRP on MMB29M, that would be great.
Click to expand...
Click to collapse
Whoa! Does your phone still boot to the bootloader? If so, you're extremely lucky. Flashing a non-bootloader image to the bootloader is pretty much the only way to hard brick a Nexus. You need to take much greater care when doing these things.

Haha. Thanks. Yeah I am really lucky. My phone is working now thanks. Just coming from the S6 Edge. Very different rooting method from that, so yeah I should be way more careful. Thanks for the awesome guide, btw Heisenberg. Running PureNexus with ExperimentalX kernel. Such an amazing combo.
Heisenberg said:
Whoa! Does your phone still boot to the bootloader? If so, you're extremely lucky. Flashing a non-bootloader image to the bootloader is pretty much the only way to hard brick a Nexus. You need to take much greater care when doing these things.
Click to expand...
Click to collapse

Update: nvm, figured it out myself.
I have a similar problem. I flashed the TWRP recovery and it booted into it. Made a nandroid and an EFS backup. Copied the backups to my PC. Wanted to flash the systemless root zip. Issued adb reboot recovery and I get the little Android on his back and saying "no command". Tried flashing recovery again, got this:
sending 'recovery' (16880 KB)...
OKAY [ 0.515s]
writing 'recovery'...
OKAY [ 0.238s]
finished. total time: 0.756s.
And still, I can't boot into twrp by either method. Getting the "no command".
What gives?

Puck24 said:
Update: nvm, figured it out myself.
I have a similar problem. I flashed the TWRP recovery and it booted into it. Made a nandroid and an EFS backup. Copied the backups to my PC. Wanted to flash the systemless root zip. Issued adb reboot recovery and I get the little Android on his back and saying "no command". Tried flashing recovery again, got this:
sending 'recovery' (16880 KB)...
OKAY [ 0.515s]
writing 'recovery'...
OKAY [ 0.238s]
finished. total time: 0.756s.
And still, I can't boot into twrp by either method. Getting the "no command".
What gives?
Click to expand...
Click to collapse
Please explain how you fixed your problem so the info is there for folks in future.
Sent from my Nexus 6P

Heisenberg said:
Please explain how you fixed your problem so the info is there for folks in future.
Sent from my Nexus 6P
Click to expand...
Click to collapse
guess it's a corrupted file?

Actually, I just tried flashing it one more time, rebooted to the bootloader with the phone, not with the command. Then I also used the phone to enter into recovery, not by issuing commands. And it works
Sent from my Nexus 6P using XDA Free mobile app