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[Q] Tablet won't boot or install custom ROM

Hi all - this is bugging me as I can't seem to find the root cause or a fix.
TF300T was running CM11 nightlies - last update applied was 04/05/14 and worked OK for a couple of days but when I tried to cold boot yesterday, boot loop half way through start screen. I wasn't bothered too much as I had a full backup before I updated ROM - however, restored backup and it failed to restore.
So have been trying to get a ROM installed but just can't and it's really annoying me. I have tried wiping & fresh install with several ROMs (CM11 2xnightlies, Omni, SlimROM) but all give the same result - boot loop. I have tried using both TWRP and ADB sideload
I have tried with SDCARD removed and get error * failed to write data 'protocol fault (no status)' *. SDCARD seems fine (can read / write from PC) but will format it anyway in TWRP and try again.
Any suggestions welcome.
Device details;
unlocked bootloader
recovery - TWRP 2.6.3
ROMs tested - CM11, Omni, SlimROM
SDCARD - SanDisk Ultra 64Gb
EDIT - knowing there was something corrupt with storage / system, I flashed stock then TWRP recovery. Booted into Stock OK but once I tried to install a different ROM, failed again.

[Q] Only fastboot accessible to flash / restore my TF700

Hello,
My TF700 was on a CleanRom (2.3 i think), for a while, i decided to update.
- I installed the latest CWM (via fastboot) and flashed a Cyanogen 10.2 "stable", but my tablet freezed very quickly after successful boot, i tried some reboots and get same problem.
- I tried to install a stock ODEX root ROM, the tablet freezed at asus logo
- I flashed TWRP instead of CWM, it doesn't helped
- I tried wipe data and cache with TWRP, then my data was not accessible anymore and TWRP was unable to re-create it
- I searched on forums and found on this one that flash a boot.blob file can solve the problem
- It doesn't and now CWM and TWRP refuse to work ....
So i post here before getting my tablet completely brick.
At this point, i get access to fastboot / abd, CWM load but don't work (reboot when trying to do something), TWRP don't load.
Any suggestion to get back to a Stock ODEX rooted rom ?
Excuse my english ...

Asphodele said:
Hello,
My TF700 was on a CleanRom (2.3 i think), for a while, i decided to update.
- I installed the latest CWM (via fastboot) and flashed a Cyanogen 10.2 "stable", but my tablet freezed very quickly after successful boot, i tried some reboots and get same problem.
- I tried to install a stock ODEX root ROM, the tablet freezed at asus logo
- I flashed TWRP instead of CWM, it doesn't helped
- I tried wipe data and cache with TWRP, then my data was not accessible anymore and TWRP was unable to re-create it
- I searched on forums and found on this one that flash a boot.blob file can solve the problem
- It doesn't and now CWM and TWRP refuse to work ....
So i post here before getting my tablet completely brick.
At this point, i get access to fastboot / abd, CWM load but don't work (reboot when trying to do something), TWRP don't load.
Any suggestion to get back to a Stock ODEX rooted rom ?
Excuse my english ...
Click to expand...
Click to collapse
Hey Your in the right place
Shoot me an email, we can review your issues and if we find a solution we can post back here to help
XDA users with there issues....
My email is everywhere talke a look around
Thx Josh

Asphodele said:
Hello,
My TF700 was on a CleanRom (2.3 i think), for a while, i decided to update.
- I installed the latest CWM (via fastboot) and flashed a Cyanogen 10.2 "stable", but my tablet freezed very quickly after successful boot, i tried some reboots and get same problem.
- I tried to install a stock ODEX root ROM, the tablet freezed at asus logo
- I flashed TWRP instead of CWM, it doesn't helped
- I tried wipe data and cache with TWRP, then my data was not accessible anymore and TWRP was unable to re-create it
- I searched on forums and found on this one that flash a boot.blob file can solve the problem
- It doesn't and now CWM and TWRP refuse to work ....
So i post here before getting my tablet completely brick.
At this point, i get access to fastboot / abd, CWM load but don't work (reboot when trying to do something), TWRP don't load.
Any suggestion to get back to a Stock ODEX rooted rom ?
Excuse my english ...
Click to expand...
Click to collapse
Sounds like you are on an old bootloader. Flash the stock rom from asus by unzipping the zip you download from their website and placing in the root folder of your micro sd and then go into rck from the bootloader menu (power + volume down whilst booting)
Or you could just flash it from recovery....

lj50036 helped me to flash a new bootloader, recovery, rom and nvflash to make it unbrickable
Not just helped he spent many times to explain me how it works and what he did.
He is very nice and this was a pleasure to talk with him, i'm happy that there's still person like that on this planet
see you !

Asphodele said:
lj50036 helped me to flash a new bootloader, recovery, rom and nvflash to make it unbrickable
Not just helped he spent many times to explain me how it works and what he did.
He is very nice and this was a pleasure to talk with him, i'm happy that there's still person like that on this planet
see you !
Click to expand...
Click to collapse
I buy a tf700 with cm 11 a few days ago i am really interessted on how this steps works. I really want to make it unbrickeable, But i dont really understand how it works. I can not enter in fastboot. at least i got cwm interface when rebooting with adb into recovery.
Can u explain how you did it?

It invovles flashing a modified bootloader and the flatline recovery and then using Wheelie to generate your nvflash blobs.
Step-by-step instructions (which you need to follow to the letter) are here:
https://www.androidroot.mobi/pages/guides/tegra3-guide-nvflash-jellybean/

Stuck in boot loop, fastboot and recovery accessible
Hello,
I'm having a similar issue and I need help! Initially my tablet was rooted with Cromi-X 5.4. Then I decided to try Crombi-KK.
Here is what happened:
- Updated TWRP recovery
- Did a full wipe as recommended
- Flashing got stuck at the Crombi-KK loading sign
- Tried to reflash but TWRP wasn't detecting data partition anymore
- Instead installed the other recommended recovery CWMR.
- Flashed Crombi-KK, it worked. Played around with it for a few days, it was wonderful, fast and responsive.
- Battery died out and when I turned it back on I got a UIDs system inconsistent error.
- I found online many recommendations to reflash so I tried to do that
- Since then I'm stuck in a boot loop. I see the initial "bios" Asus logo then it restarts over and over.
- I am able to access bootloader and recovery
I've tried reflashing the asus stock blob. I've tried wiping the data through CWMR but it starts working and then it restarts. I don't know what to do anymore, so if anyone can help me, I would really appreciate it!
Thanks

Which recovery and bootloader version do you have now?
A (for KK) outdated bootloader seems the most likely culprit.
You can try save the recovery log when you flash or grab a logcat of the bootloop, but probably it'll only tell you that the recovery cannot mount /data.
Determine that you are on the correct bootloader, if not update it. If you're lucky the tablet will start right up. If it doesn't, formatting /data is the only way I know to get it back. Not just wiping - formatting it. You will loose everything on internal SD, so I hope you have a nandroid you can restore from later.
If you use TWRP 2.7+ be aware that formatting can take more than an hour. Let it finish!
For good measure, download CROMBi-KK again, check the md5 and then flash that file.

I'm on 10.6.1.14.10 bootloader which I think is the latest one
I have 6.0.4.7 CWMR
I'm trying to format data completely but when i do it in CWMR it starts and then the tablet reboots on it's own after a couple of minutes.
How can I retrieve the logs, I never had to do it before.
Thanks for your help

Mhh, getting a little more complicated.
Your BL is ok...
What do you see in CWM when you go into Mounts and Storage? What is mounted?
The recovery logs are under Advanced > show logs.

I'm at work now but from what I remember the only thing mounted was the cache. I'll double check tonight. Do you think there's any hope or I have a brand new paper weight?

yasyas said:
I'm at work now but from what I remember the only thing mounted was the cache. I'll double check tonight. Do you think there's any hope or I have a brand new paper weight?
Click to expand...
Click to collapse
Can you fastboot flash twrp?
It's much much better than CWM, has its own terminal and will be easier to offer the correct format command.

sbdags said:
Can you fastboot flash twrp?
It's much much better than CWM, has its own terminal and will be easier to offer the correct format command.
Click to expand...
Click to collapse
So I flashed TWRP and when I go in mount/storage everything is selected except for system. Should I do a format data from the wipe menu before flashing crombi-kk again?

yasyas said:
So I flashed TWRP and when I go in mount/storage everything is selected except for system. Should I do a format data from the wipe menu before flashing crombi-kk again?
Click to expand...
Click to collapse
To be in the safe side, yes, that is what I would do. TWTRP 2.7.+ takes a long time to format and it may seem the process got stuck. Give it at least 90 minutes to finish.
Then reflash CROMBi

I'm back up and running !!!
This time installing TWRP, everything was mounted (maybe my previous flash before CWMR wasn't good), did a format data, waited until it was done, flashed latest Crombi-KK and going through setup now. Hopefully won't have the same UID issue on next shutdown. I didn't enable fsync or journaling so hopefully it won't happen again.
Thanks both of you for your help!

Good deal! Happy for you!

Rooting google pixel zl

[Q] Randomly Stopped Booting, extensive Google-fu and ODIN use ineffective

Okay this is a weird one, Note 10.1 runs out of battery a few nights ago, go to plug it in for charging and it hangs on the "samsung galaxy note 10.1 screen". I had been running Cyanogen 11 for a few months just fine and before that Omni (Both 4.4.2) no dramas with CWM recovery 6.0.3.6. I can still get to Download/ODIN mode and CWM.
Now here is the fun part(s)
1. Firstly I tried reflashing the roms from CWM, after all I flashed both of them from the same recovery and they were still on the external sdcard. Both gave set metadata recursive status 7 error messages.
1.NB Whenever I selected the internal storage to search for a zip CWM would close immediately (crash?) and go back to the galaxy note 10.1 screen and hang there still. Also does this on other options, so I can't reach the backup I made on the internal storage
2. After googling that it seems that 6.0.3.6 can't flash 4.4.2 roms so I flash a later version using ODIN, it says success on the PC side, yet nothing changes in tablet, same when trying with twrp. CWM 6.0.3.6 won't budge
3. Try flashing the official rom (N8010XXUCMK2_N8010XSACNA2_HOME) from sammobile using ODIN, same problems as before, download mode shows the bar filling up so does ODIN, says it passed, still nothing.
4. Try old 10.2 Cyanogen build, no error message but still hangs on samsung galaxy note screen
5. Try repartitioning whilst flashing, various .pit also used, no dice. However I can now mount /data from cwm still can't mount /efs
6. Read about eMMC bug possibly being induced by Cyanogenmod, open up tablet to to check numbers on eMMC module, doesn't match any of the affected numbers.
7. Try above steps multiple times, including flashing each right after each other.
8. Cry
9. Look at new tablet options (Damn no good ones with softkeys)
10. Back to desperate flashing ODINing and scrolling through CWM
So any ideas?

Don't you have any other backup, from a sammy rom, that should restore your efs,
Two days ago happened to me the same thing.
What I've done was
1. Flash the Pit file from the leaked 4.4.2
2. Restore a backup from a 4.1.2 Sammy rom
3. Full wipe in recovery. Efs error was gone
4. Restore the backup again and boot up.
5. Update the recovery
6. Wipe again
7. Flashed the Gnabo Rom V5
Now everything it's working pretty damn good.
Hope you can solve the issue.

jika23 said:
Don't you have any other backup, from a sammy rom, that should restore your efs,
Two days ago happened to me the same thing.
What I've done was
1. Flash the Pit file from the leaked 4.4.2
2. Restore a backup from a 4.1.2 Sammy rom
3. Full wipe in recovery. Efs error was gone
4. Restore the backup again and boot up.
5. Update the recovery
6. Wipe again
7. Flashed the Gnabo Rom V5
Now everything it's working pretty damn good.
Hope you can solve the issue.
Click to expand...
Click to collapse
Where exactly is the PIT file I should be looking for? Been looking for a while now.

Cannot get rid of CM10 / cannot reset the device (Samsung Galaxy Tab 2, GT-P5110)

Samsung Galaxy Tab 2
GT-P5110
Android version: 4.2.2.
Hi there, I have a rooted device running on CyanogenMod 10.1.3-p5110, with a custom recovery CWM 6.0.2.7
After 3 years (or so) of smooth operation it started to slow down and getting unstable from time to time, so I decided to factory reset.
I did the factory reset from CWM following the regular regular instructions, however after reset completion the devices booted back to the original CM10, with all the original data (nothing was cleaned at all or reset). I tried several times from - cleaning cache, date, system, dalvik cache, factory reset ... still the same result.
I also tried to replace the CWM with TWRP (GT-P5110_TWRP_3.0.0-0.tar.md5) - same result, it shows success but if I restart to recovery, it goes to CWM 6.0.2.7
If I boot into recovery (CWM) and flash any rom, it shows success and then reboots (guess what) into the original CM 10 like nothing happened.
I tried to flash the stock firmware using Odin. I got an original firmware "P5110XXDMI1_P5110OXXDMJ1_HOME.tar.md5" from a reliable source (sammobile)
Model:GT-P5110, Model name:GT-P5110, Country:Czech Republic, Version:Android 4.2.2, Changelist:1709803, Build date:Wed, 18 Sep 2013 06:13:11 +0000, Security Patch Level: N/A, Product code:XEZ, PDA: P5110XXDMI1, CSC5110OXXDMJ1
Every time I flash the original stock rom with Odin, the ID:COM box in Odin goes green and everything looks just fine but after reboot the tablet restarts to the original CM10. I was using Odin3-v1.85, as well as newer versions of the tool - namely Odin3_v3.07, Odin3_v3.11.1, all with the same result.
I even tried form very scratch - repartitioning the device using a .pit file "signed_espresso_20120220_16G.pit", flashing stock using Odin, same result.
I also tried flashing rom Heimdall Suite - same result
I have no problem to connect to the device using ADB shell and communicate with the device ...
However, I am not any Android guru, so I cannot "decode" what I get.
To me it seems like I somehow messed up my partitions or mounts and thats the reason for the strange behaviour.
So now I am stuck in strange state, which I cannot call a bootloop ... seems like I am running some sort of cached system or someting and I am unable to get out of with any standard tool available. As I said ... device is rooted, running CWM and I can boot to any mode I want ... download, recovery, system.
Any help will be more than appreciated.

You could have an faulty emmc firmware or your emmc reached end of life.
You are from europe? I know someone who can fix it for you.
You can also read the faq on my github userpage for more information about your bug.

kozyn said:
Samsung Galaxy Tab 2
GT-P5110
Android version: 4.2.2.
Hi there, I have a rooted device running on CyanogenMod 10.1.3-p5110, with a custom recovery CWM 6.0.2.7
After 3 years (or so) of smooth operation it started to slow down and getting unstable from time to time, so I decided to factory reset.
I did the factory reset from CWM following the regular regular instructions, however after reset completion the devices booted back to the original CM10, with all the original data (nothing was cleaned at all or reset). I tried several times from - cleaning cache, date, system, dalvik cache, factory reset ... still the same result.
I also tried to replace the CWM with TWRP (GT-P5110_TWRP_3.0.0-0.tar.md5) - same result, it shows success but if I restart to recovery, it goes to CWM 6.0.2.7
If I boot into recovery (CWM) and flash any rom, it shows success and then reboots (guess what) into the original CM 10 like nothing happened.
I tried to flash the stock firmware using Odin. I got an original firmware "P5110XXDMI1_P5110OXXDMJ1_HOME.tar.md5" from a reliable source (sammobile)
Model:GT-P5110, Model name:GT-P5110, Country:Czech Republic, Version:Android 4.2.2, Changelist:1709803, Build date:Wed, 18 Sep 2013 06:13:11 +0000, Security Patch Level: N/A, Product code:XEZ, PDA: P5110XXDMI1, CSC5110OXXDMJ1
Every time I flash the original stock rom with Odin, the ID:COM box in Odin goes green and everything looks just fine but after reboot the tablet restarts to the original CM10. I was using Odin3-v1.85, as well as newer versions of the tool - namely Odin3_v3.07, Odin3_v3.11.1, all with the same result.
I even tried form very scratch - repartitioning the device using a .pit file "signed_espresso_20120220_16G.pit", flashing stock using Odin, same result.
I also tried flashing rom Heimdall Suite - same result
I have no problem to connect to the device using ADB shell and communicate with the device ...
However, I am not any Android guru, so I cannot "decode" what I get.
To me it seems like I somehow messed up my partitions or mounts and thats the reason for the strange behaviour.
So now I am stuck in strange state, which I cannot call a bootloop ... seems like I am running some sort of cached system or someting and I am unable to get out of with any standard tool available. As I said ... device is rooted, running CWM and I can boot to any mode I want ... download, recovery, system.
Any help will be more than appreciated.
Click to expand...
Click to collapse
Once I had same problem with Motorola xoom and guess what was realy the problem. It was the external SD memory remove it then flash the stock rom.. If problem persists see with Andi

Thank you for your response. To me it also seems like faulty emmc. I have check the frequently asked questions on your blog and the description there exactly matches with what I'm experiencing on my device. Yes I am from Europe, Czech Republic. I have already tried to get in touch with two people who have the proper tooling to flash the firmware (JTAG). Hope I get some response fast and the solution is going to work. Still if you have someone in the CZ that you can recommend I'm grateful for any advice.

@zidane: All of the above steps where performed without external SD card.

kozyn said:
@zidane: All of the above steps where performed without external SD card.
Click to expand...
Click to collapse
Don't lose hope Try latest recovery 3.0.2.5 and the cm13 22/9 by Andi (made specially for certain cases like yours the files are in his folder the link in his signature ) if nothing happens then I guess dev Andi will be glad to help you fix your Emmc. contact him to provide you with the contacts..
Good luck

zidane01 said:
Don't lose hope Try latest recovery 3.0.2.5 and the cm13 22/9 by Andi (made specially for certain cases like yours the files are in his folder the link in his signature ) if nothing happens then I guess dev Andi will be glad to help you fix your Emmc. contact him to provide you with the contacts..
Good luck
Click to expand...
Click to collapse
@zidane01: thanx for cheerin' up
I have tried to replace my CWM 6.0.2.7 with TWRP 3.0.2.5, 3.0.2.6. from a .zip file using current recovery. Result is the same as described - after I reboot to recovery (using advanced option in CWM) it boots back to the original CWM 6.0.2.7. Flashing latest CM13 (as of 27/9/2016, downloaded from Andi's site) from CWM 6.0.2.7 ends with error. The tablet seems like READ ONLY not matter what I do. Maybe I am doing something wrong. I can describe the procedure step by step in detail, if you wish.

kozyn said:
@zidane01: thanx for cheerin' up
I have tried to replace my CWM 6.0.2.7 with TWRP 3.0.2.5, 3.0.2.6. from a .zip file using current recovery. Result is the same as described - after I reboot to recovery (using advanced option in CWM) it boots back to the original CWM 6.0.2.7. Flashing latest CM13 (as of 27/9/2016, downloaded from Andi's site) from CWM 6.0.2.7 ends with error. The tablet seems like READ ONLY not matter what I do. Maybe I am doing something wrong. I can describe the procedure step by step in detail, if you wish.
Click to expand...
Click to collapse
sounds like that you have a faulty emmc. same what android-andi said.

@kozyn Hi buddy.. have the same thing on a p5110 -- emmc is in read only mode and I can't seem to PM Andi for some contacts.
Can you help me recover this galaxy tab2 pls? Appreciate your time

P5110 stuck in reboot loop, from OS?

Hi all,
I have a P5110 tab 2.
I rooted and installed CM 10 on this device some time ago, and it's been working fine for many months.
Recently, it's started rebooting itself from the OS - i.e not at boot logo etc - it actually gets into the OS, lets you do a few things for a few seconds, then thows you out and reboots.
This device has an older version of CWM on.
I can boot into CWM Recovery, have tried wiping dalvic, cache, - everything - but still the reboots.
Have tried to load twp from zip via CWM, it says installed ok. I reboot, go back into recovery, and its still this old version of CWM.
With this being an older version of CWM, it wont let me install the later versions of CWM.
Im thinking of reflashing the stock rom (4.x.x afair), to hopefully stop the reboots, so I can get into the OS and flash the later version of TWRP, so I can then flash a later version of CM.
All a PITA!
Question is - why does the p5110 keep rebooting, out of the OS?
I read somewhere that this could be a hardware issue - chip over heating or something.
Is this device worth bothering with?
Second question - why wont CWM let me install TWRP (from Zip in external SD, .img is in the zip) - even though it says it has installed it?
Any thoughts or assistance greatly appreciated!

Could this be the "dreaded emmc chip" issue?
If this was indeed the issue - would it boot to the OS at all?
I'm assuming not, and therefore this isnt the issue - can someone confirm?
http://forum.xda-developers.com/galaxy-tab-2/general/discussion-alternative-tab-2-emmc-bug-t3306862

Maybe it is. You said you tried to flash the later versions of cwm but it didn't work yes? I think one of the symptoms is that you can't flash anything on the device because it became read-only. I may be wrong though so kindly check
EDIT: Maybe do a factory reset? If everything is still there after the wipe, 99% your emmc got read-only.