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[SOLVED] Recover from Failed to process command error (0x120000)

Description of the Error:
I have tried to flash the .img files several times. Boot, recovery and userdata all flash just fine. However, when ever I flash system I get the following error:
Failed to process command error (0x120000)
Solution:
Alrighty, it took me 2 days but I finally figured out how to get past this dreaded error.
My Fastboot was unable to flash system.img (but successfully flashed boot, recovery, and userdata) to my rooted, unlocked US Xoom Wi-Fi Only running 3.1, 3.2, and/or 3.21 (yes I tried from all 3 versions using various update.zip methods).
I was attempting to revert to stock using the methods described in multiple threads on XDA, but couldn't get past the 0x120000 error when trying to flash the system.img.
Disclaimer:
This was done on an unlocked, rooted US Wi-Fi Only Xoom running HC 3.1. While this fixed my issue, I take no responsibility if the method does not work on 3G/4G versions, non-US versions, or just plain works differently between different devices. Using dd to flash images is not the safest route, but for me it was the only route.
Prerequisites:
Have adb and fastboot setup (e.g., through installing the Android SDK)
Have CWM Recovery installed on Xoom
Steps:
Download the stock HWI69 images from bwcorvus' sticky http://forum.xda-developers.com/showthread.php?t=1049485
Extract the image files into your platform-tools directory in the android-sdk
Reboot into recovery
Code:
adb push boot.img /sdcard/
adb push system.img /sdcard/
adb push recovery.img /sdcard/
adb push userdata.img /sdcard/
adb shell
su (if it doesn't bring you into root # prompt)
busybox dd if=/sdcard/boot.img of=/dev/block/mmcblk1p7
busybox dd if=/sdcard/system.img of=/dev/block/mmcblk1p8
exit
adb reboot bootloader
fastboot flash recovery recovery.img
fastboot flash userdata userdata.img
fastboot erase cache
fastboot oem lock
Follow lock instructions on device

Plugging into another USB slot solved mine
I had the same problem. 1200003 error.
Plugging the tablet without an extension cable directly in on of the back slots solved the prob.

[HOW-TO] Return to Factory Stock using fastboot commands

DISCLAIMER: I am not responsible for what you do to your tablet. I've done these steps dozens of times without issue on Windows and Linux. PLEASE READ THIS ENTIRE THREAD FIRST TO UNDERSTAND IT BEFORE ACTUALLY PERFORMING THEM ON YOUR DEVICE!!!
This is done using the Android SDK, the command incorporated in that called fastboot. No toolkit, I don't do them, never have, so I cannot support anyone trying anything from a toolkit. Doing this process will take you from start to finish no more than two minutes.
I haven't seen a "How-To" on returning to 100% out-of-the-box stock using fastboot commands and Google's factory N7 2013 images. If I've overlooked this, I apologize in advance. I've seen a lot of people asking how to do this in the forums, so I thought this may help.
This will work on Linux or Windows. I use Windows 7 x64 for work, Linux Mint 15 x64 otherwise. With Linux you will need to add permissions for the USB device in /etc/udev/rules.d. I had to do this on my Linux Mint 15 x64 laptop, you may not. If you get an error stating something to the effect of "insufficient permissions...", you'll want to Google "android udev rules setup". I won't cover that here.
This guide should work for the LTE N7 2013, but I don't have one to test.
Before we begin, back up anything on your internal /sdcard partition you want saved. This will 100% wipe your device to what it was when you first unboxed it. I warned you. You'll be erasing everything, and it will be reloaded. Stock Android recovery will be loaded, and you will not be rooted.
What you'll need:
Android SDK - specifically fastboot working
Google factory images from here.
Unlocked Nexus 7 tablet
Here we go (this will be based off of the N7 2013 Wifi-only device, JSS15R image):
1. Extract from the compressed image from the .tgz/.tar, you'll want to extract the folder called razor-jss15r. Extract this folder to your SDK/platform-tools location. My SDK is on my C:\, so my path to it on Windows is C:\sdk\platform-tools. Linux it would be at /home/ryan/sdk/platform-tools. Once extracted, you should have a folder called: razor-jss15r. There should be 5 files in there, 1 is a zipped folder called image-razor-jss15r.zip. DON'T UNZIP IT!
2. Open command prompt, and change directories to your SDK/platform-tools location. Boot your tablet to the bootloader, and plug it into your computer. We're ready to issue commands now.
3. After each command, hit Enter. I'm not going to state that to make sure people don't get confused. Each line is it's own command. I recommend copy then pasting each command below, one by one, into the command prompt window.
Code:
fastboot erase boot
Code:
fastboot erase cache
Code:
fastboot erase recovery
Code:
fastboot erase system
Code:
fastboot erase userdata
Code:
fastboot flash bootloader razor-krt16o/bootloader-flo-flo-03.14.img
Code:
fastboot reboot-bootloader
Code:
fastboot -w update razor-krt16o/image-razor-krt16o.zip
NOTE: You can remove the -w in the above to prevent internal sdcard from getting wiped.
After the last command, the tablet will automatically reboot itself.
Go through setup, hook up the device to your computer and copy anything you'd like on your device, I recommend a SuperSU flashable zip if you want to root. Download a custom recovery image, and place it into your SDK\platform-tools folder. You can then boot back into the bootloader and flash the custom recovery of your choice (fastboot flash recovery recoveryfilename.img). At that point you can reboot into that custom recovery, and flash the SuperSU zip to have root. Reboot. Done.
Some of the commands may take up to 30 seconds or so, just let them run. The ones that will take that time are erasing system and userdata, and the last command will take time.
OPTIONAL:
If you want to re-lock your bootloader, which is usually ONLY done if you are returning for warranty purposes (and WILL erase your internal sdcard!), boot back to the bootloader and run:
Code:
fastboot oem lock

RMarkwald said:
Code:
fastboot -w update razor-jss15r/image-razor-jss15r.zip
Click to expand...
Click to collapse
If you omit the -w from this step, doesn't it leave your sdcard intact?

Possibly I don't actually know as I've never run it without the -w.
- Sent from my Galaxy S3

meekrawb said:
If you omit the -w from this step, doesn't it leave your sdcard intact?
Click to expand...
Click to collapse
Yes, that is correct.

Updated for Android 4.4 krt16o images.

Adb fastboot shield recovery image flashing instructions (RETURN TO STOCK)

This is Nvidia's own instruictions which I just followed works great! For new members please be aware that you may have to edit a command given in the instructions below which I will point out (depends on what OTA you have downloaded) for example
fastboot flash dtb tegra124-tn8-p1761-1270-a04-e-battery.dtb Highlighted in red is the name you may have to change within the extracted ota, Just look in the extracted file and locate the .dtb now just copy and paste the name of your .dtb and change the fastboot command --> example--> fastboot flash dtb tegra144-tn8-p1761-1270-a04-xda-battery.dtb
Please Read Carefully!
Follow here to get OTA
http://forum.xda-developers.com/shield-tablet/general/shield-tablet-otas-t2847116
What you must have
You need a unlocked boot loader instructions further below.
Also in cmw recovery, please wipe all partions! and reboot in to fastboot mode whilst still in recovery!
SHIELD RECOVERY IMAGE FLASHING INSTRUCTIONS
To follow the instructions in this guide, you will need adb and fastboot.
These tools are provided as part of the Android SDK:
http://developer.android.com/sdk/index.html
or you can just download this little .exe Minimal ADB and Fastboot this is what I used.please extract your recovery.zip into where you have installed Minimal ADB and Fastboot example c:\program files x86\Minimal ADB and fastboot.
https://docs.google.com/file/d/0B1S0LCuXCnnmSWh6NGJmSE1BUWc/edit?usp=sharing
Before flashing this recovery image to your SHIELD, connect your SHIELD
via USB to the PC where you downloaded this recovery image example same as above c:\program files x86\Minimal ADB and fastboot.
Next, put your SHIELD into fastboot mode using one of the following methods:
SW method 1:
- Boot to android home screen
- Connect the device to linux/windows system
- Open terminal (on linux); command prompt (on windows).
- Type "adb reboot bootloader" in terminal/command prompt
HW method 2 :
- Turn off the device
- Press and hold "Back"+"Home"+"SHIELD" buttons till device boots
To flash this recovery image to your SHIELD, run the following commands from
the directory where you extracted the recovery image package. If this is the
first time you have done this procedure, you must unlock the bootloader (see
below):
fastboot flash recovery recovery.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash userdata userdata.img
fastboot flash staging blob
fastboot flash dtb tegra124-tn8-p1761-1270-a04-e-battery.dtb <---------------------------------------------------------------------
Now restart your device
now wait a min or two and you have just returned to stock!
Unlocking the Bootloader
Your SHIELD may have shipped with a locked bootloader. To update the device,
you must unlock the bootloader using the following:
- fastboot oem unlock
- Press the Home button on the device to highlight "Unlock".
- Press the Shield button to confirm the unlock. Your device's bootloader is now unlocked.

Also worth noting that on Linux, you can install the "android-tools" package that gives you ADB and Fastboot anywhere.
For example, on fedora 20, run:
$ sudo yum install android-tools
Make sure you run fastboot with su- privileges (not doing this caused me no end of frustration before finding out why my device wasn't detected).

MRobbo80 said:
This is Nvidia's own instruictions which I just followed works great! For new members please be aware that you may have to edit a command given in the instructions below which I will point out (depends on what OTA you have downloaded).
Unlocking the Bootloader
Your SHIELD may have shipped with a locked bootloader. To update the device,
you must unlock the bootloader using the following:
- fastboot oem unlock
- Press the Home button on the device to highlight "Unlock".
- Press the Shield button to confirm the unlock. Your device's bootloader is now unlocked.
Click to expand...
Click to collapse
Umm having a little trouble unlocking. Am I to understand that you unlock with the device turned on ? because otherwise there isn't a home button...and where is the shield button ? I only have power and volume
buttons. This looks like the unlock method for the Shield not the Shield Tablet.
Sent from my Shield Tab

Wulfpk said:
Umm having a little trouble unlocking. Am I to understand that you unlock with the device turned on ? because otherwise there isn't a home button...and where is the shield button ? I only have power and volume
buttons. This looks like the unlock method for the Shield not the Shield Tablet.
Sent from my Shield Tab
Click to expand...
Click to collapse
Your device should first be turned on. Then connect to PC and open a command prompt in your Android tools folder (where the ADB file resides) and type, "ADB reboot bootloader" (without the quotation marks).

Can I flash a ROW image in a US device?

Yotaphone 2 soft bricked, step-by-step help

Yotaphone2 from china
YD206-> YD201
android 4.4.3-> Firmware 5.0.0-EU1.187a.zip
Hello, first post!
I bought my first android phone and ofcource tried to upgrade it to Android 5.0 Lollipop using yotaphone flasher program. I ended up to a jammed android logo ->softbricked phone..
The problem was finally solved by using fastboot program. You can find it in yotaphone_flasher folder, which you probably already have if you're in this situation.
So I do not recommend trying to update OS using yotaphone flasher, I would use fastboot, it is easier than you think and above all it seems to be the safest way to update as fas as i know.
If you want to know more about the fastboot: https://forum.xda-developers.com/showthread.php?t=2277112
This is a walkthrough made by androidnoob. Use at your own risk:
Download yotaphone flasher if you don´t allready have it: ftp://fw.ydevices.com/YotaPhone2/YotaPhoneFlasher/
Install yotaphone_flasher.exe and use it to download the firmware.
The default folder is C: Program Files (x86) / yotaphone_flasher, in that folder you will find fastboot.exe and firmware folder.
Copy the following files from the firmware folder to yotaphone_flasher folder (same folder you have fastboot.exe), you will need them later in the updating phase:
userdata.img
system.img
boot.img
Make sure that Yotaphone 2 is in downloading mode:
Simultaneously press the power + vol down until the display reads downloading. It may take more than one reboot so keep pressing until it appears.
Connect your phone to a computer via USB Cable.
Open the fastboot.exe. You can only do it in the command prompt, so press shift + right mouse at yotaphone_flasher folder-> Choose to open a command prompt. (Now you have to press enter after every command line)
In the command prompt, type the following:
fastboot
fastboot devices
If you see your phone's serial number, the connection works.
Start wiping memory, type:
fastboot erase system -w (this will erase everything, including your user data)
fastboot erase boot
And it´s time to install the update, type:
fastboot flash userdata userdata.img
fastboot flash -S 512M system system.img (For me installing in parts was a game changer. It´ll take some time so don´t panic)
fastboot flash boot boot.img
fastboot reboot
Yotaphone 2 will reboot. Wait 5-30 minutes, and the update is complete! Later my phone automatically updated 5.0.0-EU1.124b, so you can probably download this firmware using yotaphone flasher at the beginning of this process. I haven´t yet installed a sim so no idea if there are more issues.
This walkthrough has been compiled from various sources, so thanks to all for sharing! Hope this helps someone in trouble.

Yes, you can update your phone using manual fastboot commands. For convenience, a 4pda user rewrited YotaFlasher to a more polished version, making it flash system fastboot flash -S 512M system system.img command. I uploaded the new YotaFlasher in this guide.

You saved my day, the other methods did not work, I must add that it must be exclusively with the original cable, the others still with the error of "powered by android"

sotka said:
And it´s time to install the update, type:
fastboot flash userdata userdata.img
fastboot flash -S 512M system system.img (For me installing in parts was a game changer. It´ll take some time so don´t panic)
fastboot flash boot boot.img
fastboot reboot
Click to expand...
Click to collapse
Hi, Could you tell me how to install the system.img in parts? I have a 1.4gb system.img file that I am trying to install on a bootlooping Yotaphone 2.
I keep getting a "Invalid sparse file format at header magi" when I do the second step, which I think is linked to the .img being too large. But I have no idea how to make it smaller. Thanks for any help!

How To FIX Signature error 132 when flashing stock RUU nougat

Hi world Here I bring you a mini tutorial on how to solve this problem, in the way that I solved it and it worked for me, it's very easy and I hope it works for you.
I DO NOT MAKE ANY RESPONSIBILITY FOR THE RISK INVOLVED BY TRYING THIS.
Prerequisites:
adb fastboot minimal
Hboot M9_4.30.617.12
RUU_HIMA_UL_N70_SENSE80_ATT_MR_NA_Gen_Unlock_4.30.617.12.exe
first of all, the first thing I did was to update the HBOOT to the latest version of the unlocked / developer model
Step-By-Step:
1. If device is booted into Android, reboot into download mode by running:
Code:
adb reboot download
2. Now place the Firmware_xx.zip into your adb/fastboot folder (which will be C:\Program Files (x86)\Minimal ADB and Fastboot" if you use my Batch Tool).
2a.
Code:
fastboot oem rebootRUU
3. Followed by:
Code:
fastboot flash zip M9_4.30.617.12_NoWipe_TWRP3100.zip
(IF you encounter any errors which are not “FAIL90”, have a look into Post #3 or ask in the thread! DO NOT REBOOT THE DEVICE!)
View attachment 4607611
Flash the file again and done.
View attachment 4607612
After this simple step, just install your ruu and your phone will be ready.