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[Q] Need help after recent update

I loaded the recent update on 12/24 and have not been able to use my tablet since then.. When turned on, it goes thru the ViewSonic screen and the gtablet screen, then just goes to a blank black screen.. It was stock before I loaded the last update..
I have tried to reboot using the power button and vol+
- if there is no microSD card in I get the following message
E: can't mount dev/block/mmcblk2
(no such file or directory)
E: can't mount SDCard2: recovery/command
Formating MISC:...
Rebooting...
- if there is a microSD card with the new download and recovery/command I get the following message
Formatting MISC:...
Rebooting...
Either way, I get a blank screen and no way to change things or update.
Is there anything I can do to get it working again?

This was all stock? Sounds like the flash update failed badly.
Suggestion -- reflash using one of the stock ROM's we've grabbed. Post info: http://forum.xda-developers.com/showthread.php?t=842000. Quick instructions:
- Have a microSD card ready.
- Download the 3338 ZIP file, save it to the root of your microSD card and then rename it to "update.zip".
- Grab the homebrew 1.00 ZIP and extract just the /recovery/command file to the same folder in your microSD.
So, if your microSD is your F drive, you should have the following:
F:\update.zip
F:\recovery\command
- "command" is a text file. Open it in notepad and edit "SDCARD" to "SDCARD2". Make sure notepad doesn't add a .TXT extension when you save it.
Insert the microSD back into your device and reboot into recovery. If you're lucky your device will reflash and reboot.
If this all runs and you still get the same black screen on reboot, my next suggestion is to try one of the older firmware ZIPs and flash as I mentioned above.

edit due to Roebeet answering while I was

It was all stock, with a few added apps...
I tried to reflash the file as noted, with no success... same with the 12/19 -3316 update... it goes thru the recovery reboot, and then to the black screen...
A question on the recovery file.. my computer will not allow a "\" as part of a name... I have been trying this was a recovery file, with just the command file in it... if I need to do something different, let me know..

Sandy A. said:
It was all stock, with a few added apps...
I tried to reflash the file as noted, with no success... same with the 12/19 -3316 update... it goes thru the recovery reboot, and then to the black screen...
A question on the recovery file.. my computer will not allow a "\" as part of a name... I have been trying this was a recovery file, with just the command file in it... if I need to do something different, let me know..
Click to expand...
Click to collapse
The instructions posted by roebeet should work. Make sure your microsd card is formatted as FAT32.
1. The file update.zip should be in the microsd card's root directory.
2. The folder recovery should be in the microsd card's root directory.
3. Inside the recovery folder there should be a file named command.
4. And inside the command file you should have the following line:
--update_package=SDCARD2:/update.zip

Still don't have it working.. I have tried all of the updates, and still have a black/blank screen once it goes thru the ViewSonic and gtablet screens..
I have noticed that when I take the sd card out, and check on my computer, that the recovery folder is empty, but I know it had the command file in it before..
any other suggestions??

I believe it's fixable but at this point you may be happier returning it for a new one. It sounds like your update download was corrupted and borked your install.

Not exactly what I wanted to hear.. but..
I called customer support, and got thru today (tried last night and was put on hold then the call dropped)... I was told I wasn't the only person who had this problem with the last update... they are going to send me instructions on how to send it in for repair...

The only I can tell you to try is the same thing Roebeet said earlier. If you have never installed clockworkmod recovery then go here and download the 3389 update
http://forum.xda-developers.com/showthread.php?t=879534
Rename the file to "update.zip" ....make sure it doesn't get named update.zip.zip
Then go here and download cwm 0.8.zip
http://forum.xda-developers.com/showthread.php?t=865017
Unzip the cwm0.8.zip and you should have this
update.zip
a folder named "recovery" with a file named "command"
update.zip.......DELETE THIS FILE
recovery/command
the command file should have this line in it
--update_package=SDCARD2:/update.zip
If you have a micro sd card then place the 3389 update file that you renamed to "update.zip" on the root of the micro sd card. Not in an folders
Now place the recovery folder on the root of the micro sd card. Make sure the "command" file is in the recovery folder.
When you open your micro sd card you should see this
recovery (folder)...."command" file in this folder
update.zip
Insert the microsd card into the GTab. Make sure tablet is off and then Press power and vol+. hold Vol+ until you see "recovery key pressed". It should install the 3389 firmware and reboot.
If something happens during the install or if your download is corrupted again always check the recovery folder for the command file because it will be deleted on install.

Just a thought, are you sure it has a good charge on the battery? When I first got my gtab I had a similar issue getting it to boot, until I realized the battery was drained

UNroot and back to GB stock on Huawei u8510-1 Blaze aka Ideos X3

To root plz follow guide: http://theunlockr.com/2012/05/22/root-huawei-ideos-x3-blaze-u8510-install-clockworkmod-recovery/
but the unroot guide did not work possibly coz of GB(GingerBread) stock but after a few min i accentally when to storeage in settings and was able to recover back to GB stock.
the UNroot method is the same up to step 7 of the unroot guide(http://theunlockr.com/2012/10/24/how-to-unroot-the-huawei-ideos-x3-blaze-u8510/) ie:
Stock download source (http://www.huaweidevice.com/worldwi...&directoryId=3372&treeId=0&tb=1&type=software) -get correct model number from behind the battery.
I. Before You Begin:
1. You must have a SD card formatted in FAT32 file system.(optional but not required, if already in use)
II. Downloading Required Files:
2. Download stock from manufactures source stated above (ie GB stcok for u8510-1 i believe there are only 2 one for tesc0 andPhones4U)
III. Unrooting the Huawei Ideos X3 Blaze (U8510):
1. Download and place the Stock ROM (zip file) on your Desktop.
2. Extract files from the Stock ROM archive to your Desktop. A dload folder should appear in the extract folder called dload and should contain UPDATE.app file.
3. With SD card inserted in your device, connect the device to your PC using the USB cable.( A message should appear click "turn on USB Storage" button)
Note: one can identify the sd card drive letter by the storage size,will not be exact size but approximation of size.
4. Copy dload folder and content to root of SD card (that is should be visible when sd card is opened possibly along with other folders)
5. Disconnect the device after the file has been copied.
Note:a) when the device is connected to PC it will be able to communicate with device, so may appear as its not there(connected to device)
b) plz backup all, as this process WILL DISTROY ALL DATA ON HANDSET!!
c) Check the folder and file is present in SD card by file manager-->sd Card
d) Lastly check batery level is full as a CRASH MAY BRICK THE HANDSET, So if not charge to full before going any further.!!!
Now Simply go to settings-->Storage-->Software Upgrade(scroll to bottom)-->SD Card Upgrade--> "confirm" --> "upgrade"
WILL TAKE "2 MINS"
WHAT TO EXPECT DURING THIS PROCESS (OF 2 MINS)
--------------------------------------------------------------------
STEP1/2 UNPACKING
and by 33% or progress bar reaching one third way, sign should change to read
STEP 2/2 INSTALLING
when completed the phone will boot 3 times with a few mins pause(each boot indicated with a virbration)
a WELCOME SCREEN should appear
"TAP GREEN ANDROID"
a sreen headed SETUP UP YOUR GOOGLE ACCOUNT
CLICK "SKIP"
a sreen headed USE GOOGLE LOCATION
CLICK "NEXT"
COMPLETED .....ENJOY

[Q] installation firmware of huawei g525 failed

Hi
I downloaded official firmware of huawei g525 from huawei site
I followed instruction as these :
ROM install :
Step one: Prepare an SD card, it is recommended to use Sandisk, Kingstone, or Kingmax, size is recommended that more than 1G.
Step Two: Formatting SD card (optional).
The step three: copy a large package path UPDATA.APP to the SD card dload UPDATA.APP.
Step four: Check the root directory of the SD card you dload UPDATA.APP.
Step 5: SD card into the phone is switched on in the main screen, press the Menu key, the system updates -> SD card upgrade -> confirm -> upgrade, backup data, select the backup data; upgrade.
Step Six: The upgrade process progress bar shows after the finish of the pending progress bar, the phone automatically restart.
or
Step one: Prepare an SD card, it is recommended to use Sandisk, Kingstone, or Kingmax, size is recommended that more than 1G.
Step Two: Formatting SD card (optional).
The step three: copy a large package path UPDATA.APP to the SD card dload UPDATA.APP.
Step four: Check the root directory of the SD card you dload UPDATA.APP.
Step Four: cell phone turned off, insert the SD card, while pressing the volume up button + volume down key switch button, the phone automatically enters the upgrade mode, and then begin the upgrade in Figure
Step Five: After the progress bar to go full fixed, the phone will automatically restart If you do not manually remove the battery.
if i follow the first set of instruction i get Step 2/2 Installing - Update failed error and if i follow the second set it fails and reboot in recovery mode again.
would u please help me!!!

Firmware huawei 525
you get the error because your firmware is CHN. You need the European one "HUAWEI G525-U00 V100R001C00B188"

where do i have to DL the European one "HUAWEI G525-U00 V100R001C00B188"???

jeehuu91 said:
where do i have to DL the European one "HUAWEI G525-U00 V100R001C00B188"???
Click to expand...
Click to collapse
can you give me the link that firmware.. pleaseeee...

After unlocking bootloader can do we flash custom lewa os Roms with normal recovery
Sent from my HUAWEI G525-U00

flashed lewa and phone lockscreen restarts
my huawei g525 after flashing custom recovery installed lewa os and my phone is giving me a bug whenever i lock my phone then i cant unlock it please help
can i update to german firmware and i have unlocked bootloader and custom recovery
please help

I downloaded the b188 FW on my G525 (chinese but i get the same installation failed)
The one that allready has is b186 and it cant even do the OTA updates, any ideas?

So i've the same problem so i've istalled the rom that i've found on need rom miui rom and other but i've not play store i've istaleed google apps but i cannot see play store. How can i have play store on g 525 with a custom rom? Please help me
Inviato dal mio SM-T210 utilizzando Tapatalk

Firmware update....

Trying to update my firmware, I downloaded the santod040 all in one update, renamed it to 0P6BIMG.ZIP and put in SD card then boot in bootloader and to hboot but it doesn't prompt me to install. It's like it's not seeing it.

beeper10 said:
Trying to update my firmware, I downloaded the santod040 all in one update, renamed it to 0P6BIMG.ZIP and put in SD card then boot in bootloader and to hboot but it doesn't prompt me to install. It's like it's not seeing it.
Click to expand...
Click to collapse
Don't rename the download from santod040 - it should the M8AllInOne. Place it into your adb folder. Then:
How to manually flash firmware zips:
(sd card method also works, but I recommend fastboot)
Place the zip in your fastboot/adb directory on your computer.
Put the device in fastboot mode
(Volume down and power until menu appears, select fastboot using power button)
Connect the device to the computer
Enter the following commands from terminal/command prompt in the fastboot directory, one at a time:
fastboot oem rebootRUU (this puts the device in RUU mode)
fastboot flash zip firmware.zip (rename file to firmware.zip to make it simple/optional)
It will say that the update did not finish, to flush again, so repeat the above step:
fastboot flash zip firmware.zip
This will not wipe, and you will end up with current Verizon radios

Thanks for your reply.... I wasn't clear, I renamed the all in one update to 0P6BIMG.ZIP, then place it in SD card. Using the SD card method, once I go to hboot it should automatically find it but it doesn't.

beeper10 said:
Thanks for your reply.... I wasn't clear, I renamed the all in one update to 0P6BIMG.ZIP, then place it in SD card. Using the SD card method, once I go to hboot it should automatically find it but it doesn't.
Click to expand...
Click to collapse
Are you you sure you name it correctly? Make sure the leading character is the number 0 not the letter. Make sure it's on the ROOT of the external (removable) sd card. I think I recall that it has to be formatted as fat32 but I'm not entirely sure on that one. Also, make sure that it hasn't been renamed as 0P6BIMG.ZIP.ZIP due to your pc not displaying known extensions. That seems to get a lot of people caught up.
If all that checks out, do you see your bootloader run through the half dozen or so checks for file names (one of which being yours, another one is 0p6bdiag or something like that)?

Figured it out! I have SD card and SD card 2.... I had to put the zip in the SD card 2 file of phone. Thanks for everyone's help!!

Huawei Mate 8 - System deleted

Hello,
Bevore I start: Please excuse the bad english.
A while ago I rooted my Huawei Mate 8 (Android 7, Emui 5) and installed root.
After a few months I tried to factory reset the phone. But instead of factory resetting I deleted the complete system.
After this I tried to recover the system (twrp) but I didn't manage it. Then i tried to recover via Huawei and it said that I unlocked the bootloader/installed root and they can't recover.
After that I was so "smart". I uninstalled root and relocked the bootloader.
Do I have any chance to recocover the system or do I have to throw it away?
Thank you in advance:
UselessIdiot

UselessIdiot said:
Hello,
Bevore I start: Please excuse the bad english.
A while ago I rooted my Huawei Mate 8 (Android 7, Emui 5) and installed root.
After a few months I tried to factory reset the phone. But instead of factory resetting I deleted the complete system.
After this I tried to recover the system (twrp) but I didn't manage it. Then i tried to recover via Huawei and it said that I unlocked the bootloader/installed root and they can't recover.
After that I was so "smart". I uninstalled root and relocked the bootloader.
Do I have any chance to recocover the system or do I have to throw it away?
Thank you in advance:
UselessIdiot
Click to expand...
Click to collapse
Hi.
Just unlock the bootloader and install TWRP then diwnload full package ROM(zip file) and flash it by using TWRP.
It will install the ROM again and will fix it.

Hi.
Just unlock the bootloader and install TWRP then diwnload full package ROM(zip file) and flash it by using TWRP.
It will install the ROM again and will fix it.[/QUOTE]
I tried to unlock the bootloader but it says:
"FAILED (remote: Command not allowed)
finished. total time: 0.015s"

UselessIdiot said:
Hello,
Bevore I start: Please excuse the bad english.
A while ago I rooted my Huawei Mate 8 (Android 7, Emui 5) and installed root.
After a few months I tried to factory reset the phone. But instead of factory resetting I deleted the complete system.
After this I tried to recover the system (twrp) but I didn't manage it. Then i tried to recover via Huawei and it said that I unlocked the bootloader/installed root and they can't recover.
After that I was so "smart". I uninstalled root and relocked the bootloader.
Do I have any chance to recocover the system or do I have to throw it away?
Thank you in advance:
UselessIdiot
Click to expand...
Click to collapse
Hi there, do you know which brand is your device? Is it Chinese version, or international version? Trust me, my device was bricked multiple times, and I was always able to recover it.
Share the info I asked for and I might be able to give you some tips on how to recover it.

malekowsky said:
Hi there, do you know which brand is your device? Is it Chinese version, or international version? Trust me, my device was bricked multiple times, and I was always able to recover it.
Share the info I asked for and I might be able to give you some tips on how to recover it.
Click to expand...
Click to collapse
Hi,
I have the international version of the mate 8. (NXT-L29C432B582; FRP Lock; Bootloader relocked)
Thank you for dealing with my problem.

Got almost same problem. I've got C432B581 version.
I got nothing but TWRP now.
Can you tell me how to install clean system version step by step?

All right, both of you can use the below method, if done correctly, you should be up and running in a short time.
Read, and follow the instructions carefully. The operation consists in downgrading and rolling back your OS to Android 6. Do not worry, once rolled back to 6, your device will still get prompts to update and you can upgrade to Nougat if you want.
First thing first: open this pdf link which includes the instructions: https://bit.ly/2KYAEhS
Second: download the rolling pkg NXT-L29_from Android 7.0_EMUI 5.0_to Android 6.0_EMUI 4.0_C900B500: https://bit.ly/2GUtI2X
Third: Download NXT-L29C432B192 version here: https://bit.ly/2JcxJ8a
Now, I am sure you are unable to mount and access the Micro SD card by plugging the phone on your computer. So your alternative would be either to mount the SD card directly in your computer if your computer has a Micro SD slot, or use another cell phone that can be mounted, insert the micro SD card in order to transfer the first file.
Mount the Micro SD card and look in the rood of the SD card for ''dload'' folder without quotes, if you are unable to find the folder, simply create one
The 2 files are in zip format so you have to unzip them. Start with the first file, the rolling pkg. Extract ''update. app'' to your computer first and then move it under the ''dload'' folder in your Micro SD card.
Now the fun part can start and hopefully your phone will revive from the dead
With the phone powered off Press and hold simultaneously the power button, and volume up and down buttons, this will force the phone to enter in update mode. You can let go off the buttons once the update start.
These instructions and a couple of other ones are in pdf file. Read and follow carefully and you should be good to go.
Good luck!

malekowsky said:
All right, both of you can use the below method, if done correctly, you should be up and running in a short time.
Read, and follow the instructions carefully. The operation consists in downgrading and rolling back your OS to Android 6. Do not worry, once rolled back to 6, your device will still get prompts to update and you can upgrade to Nougat if you want.
First thing first: open this pdf link which includes the instructions: https://bit.ly/2KYAEhS
Second: download the rolling pkg NXT-L29_from Android 7.0_EMUI 5.0_to Android 6.0_EMUI 4.0_C900B500: https://bit.ly/2GUtI2X
Third: Download NXT-L29C432B192 version here: https://bit.ly/2JcxJ8a
Now, I am sure you are unable to mount and access the Micro SD card by plugging the phone on your computer. So your alternative would be either to mount the SD card directly in your computer if your computer has a Micro SD slot, or use another cell phone that can be mounted, insert the micro SD card in order to transfer the first file.
Mount the Micro SD card and look in the rood of the SD card for ''dload'' folder without quotes, if you are unable to find the folder, simply create one
The 2 files are in zip format so you have to unzip them. Start with the first file, the rolling pkg. Extract ''update. app'' to your computer first and then move it under the ''dload'' folder in your Micro SD card.
Now the fun part can start and hopefully your phone will revive from the dead
With the phone powered off Press and hold simultaneously the power button, and volume up and down buttons, this will force the phone to enter in update mode. You can let go off the buttons once the update start.
These instructions and a couple of other ones are in pdf file. Read and follow carefully and you should be good to go.
Good luck!
Click to expand...
Click to collapse
The system was successfully installed but it still starts in huawei's recovery.

You should do factory reset.
I cant mount /cust... Everything is working (like twrp, data etc), but not cust... and even if i flash downgrade package or normal rom i still got errors at 20 % or something like that. Just red "!"

It worked. Thank you so much!

UselessIdiot said:
I can't do a factory reset. It aborts at 4%.
Click to expand...
Click to collapse
So its the same story like I got now

Guys, once you install the rollback package, you still have to move the ''update.app'' file you extracted from the second file, put it into the ''dload'' folder and perform a force update again

I cant install rollback. Error at 24%

UselessIdiot said:
Hi.
Just unlock the bootloader and install TWRP then diwnload full package ROM(zip file) and flash it by using TWRP.
It will install the ROM again and will fix it.
Click to expand...
Click to collapse
I tried to unlock the bootloader but it says:
"FAILED (remote: Command not allowed)
finished. total time: 0.015s"[/QUOTE]
Hi.
for unlocking the bootloader, you must check "OEM unlocking" in developer option.
check it and try again.

malekowsky said:
All right, both of you can use the below method, if done correctly, you should be up and running in a short time.
Read, and follow the instructions carefully. The operation consists in downgrading and rolling back your OS to Android 6. Do not worry, once rolled back to 6, your device will still get prompts to update and you can upgrade to Nougat if you want.
First thing first: open this pdf link which includes the instructions: https://bit.ly/2KYAEhS
Second: download the rolling pkg NXT-L29_from Android 7.0_EMUI 5.0_to Android 6.0_EMUI 4.0_C900B500: https://bit.ly/2GUtI2X
Third: Download NXT-L29C432B192 version here: https://bit.ly/2JcxJ8a
Now, I am sure you are unable to mount and access the Micro SD card by plugging the phone on your computer. So your alternative would be either to mount the SD card directly in your computer if your computer has a Micro SD slot, or use another cell phone that can be mounted, insert the micro SD card in order to transfer the first file.
Mount the Micro SD card and look in the rood of the SD card for ''dload'' folder without quotes, if you are unable to find the folder, simply create one
The 2 files are in zip format so you have to unzip them. Start with the first file, the rolling pkg. Extract ''update. app'' to your computer first and then move it under the ''dload'' folder in your Micro SD card.
Now the fun part can start and hopefully your phone will revive from the dead
With the phone powered off Press and hold simultaneously the power button, and volume up and down buttons, this will force the phone to enter in update mode. You can let go off the buttons once the update start.
These instructions and a couple of other ones are in pdf file. Read and follow carefully and you should be good to go.
Good luck!
Click to expand...
Click to collapse
I can't open the instructions. Any advice? Scratch that. Found it!

can u guys re upload the instructions link its dead now

alabin77 said:
can u guys re upload the instructions link its dead now
Click to expand...
Click to collapse
Here you go: https://1drv.ms/w/s!AjMWq1DS1oIlgbs1-LMXNqEJZ3K_hg