Lenovo tab 3 tb3-850m rom - Android General

Can someone help me with a LENOVO TAB 3 TB3-850M stock rom or custom rom that i can flash ? I cannot find anywhere. Installed TWRP and file system got messed up, needed to repartition . Or a TB3-850F, they are pretty much the same

tzmst said:
Can someone help me with a LENOVO TAB 3 TB3-850M stock rom or custom rom that i can flash ? I cannot find anywhere. Installed TWRP and file system got messed up, needed to repartition . Or a TB3-850F, they are pretty much the same
Click to expand...
Click to collapse
Here is a link to my TB3-850F Stock Firmware Images. (/system, /boot, /recovery, /logo). You will need an unlocked bootloader, Minimal ADB & Fastboot v1.4 installed on your PC, proper USB Device Drivers, and the ability to boot into fastboot mode (or recovery mode, and boot into fastboot mode from there). Once you have downloaded my firmware images and are in fastboot mode, open a command window in your adb/fastboot directory with your Tab 3 properly connected to your PC. Type "fastboot devices" - if you are properly connected to your PC with the requisite drivers, the command window will return with your device serial number under "Connected Devices." Once you have ensured a proper connection, execute these commands to install the stock firmware:
fastboot oem fb_mode_set
fastboot flash system system.img
(At this point, because the system.img is a 3GB file, fastboot will automatically condense the file into a series of "sparsechunk" images, which fastboot will flash to your device in series until completed. Note, this process can take a few minutes so be patient. Also, ensure you are using the minimal adb & fastboot from my link (v1.4 or newer) to ensure proper sparsechunk conversion)
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash logo logo.img
fastboot erase cache
fastboot erase userdata
fastboot oem fb_mode_clear
You should now be restored to pure stock firmware condition. Note: this stock firmware is for the Lenovo Tab 3 8"/TB3-850F and has not been tried on the TB3-850M variant. You flash these images at your own risk. Good luck.
https://forum.xda-developers.com/android/general/rom-lenovo-tab-3-8-tb3-850f-android-6-0-t3593043

Updated Stock 6.0 ROM posted. Force encryption and dm-verity disabled. TWRP flashable zip.
https://forum.xda-developers.com/android/general/rom-lenovo-tab-3-8-tb3-850f-t3617594

Related

[Q] Fastboot mode absent in my phone?

Hey guys,
recently joined this place and its awesome. So many things you can learn...
Ok onto the issue - I was gifted a Micromax A092 a few days back. Qualcomm quad core processor, 1GB Ram, Jelly Bean 4.3.
Well after rooting it somehow (total nightmare - there are a couple of guys in another thread I have been posting in out here, who are still unsuccessfully trying to root theirs) and installing SuperSU and enabling USB debugging, I have hit a brick wall with fastboot mode. The Vol down + Power button combo gets me to the logo screen where it stays till I am forced to pull the battery out to reboot.
Phone does get detected under Device Manager while its stuck on the logo screen and I can install drivers to get it to show up as Android ADB Interface/Android ADB Composite Interface but fast boot refuses to detect it even though adb does when connected normally and executes all commands properly.
Well here's a list of things I have tried:
15 seconds ADB Installer - check
Minimal ADB and fastboot - check
Android SDK with google drivers and unnecessary packages - check
Universal naked drivers - check
Modding the inf files with my devices hardware id's - check
Pdanet+ driver installation method - check
Mobrobo/Mobogenie - check
Manual driver installation - check
Different USB cables - check
Few other random hacks - check
Later gave adb sideloading a shot hoping I could flash a custom recovery onto it via command prompt. No dice there either. Being unable to flash anything means I am still rocking "android system recovery 3e" as my recovery mode which in turn means the dreaded signature verification failed message trying to install 3rd party apps in recovery and sideload mode. I have also tried installing a couple of these custom recovery modes via .bat files but I guess its failing due to the same damn signature verification reason.
Now I know all phones don't ship with fastboot mode but given that this phone was released just a couple of months back and 2 year old inferior phones from Micromax have said feature gives me hope that maybe there indeed exists a way to flash it.
Also got this .dat file from somewhere for apparently flashing my phone with a stock ROM :
@ECHO off
adb reboot bootloader
echo for not erase modemst1 and modest2
rem fastboot flash partition gpt_both0.bin
fastboot flash aboot emmc_appsboot.mbn
fastboot flash sbl1 sbl1.mbn
fastboot flash tz tz.mbn
fastboot flash rpm rpm.mbn
fastboot flash sdi sdi.mbn
rem fastboot flash fsg fs_image.tar.gz.mbn.img
rem fastboot flash modemst1 dummy.bin
rem fastboot flash modemst2 dummy.bin
fastboot flash modem NON-HLOS.bin
echo for not erase bt and wifi information
rem fastboot flash persist persist.img
fastboot flash cache cache.img
fastboot flash usbmsc usbdisk.img
fastboot erase splash
fastboot flash splash splash.img
fastboot -S 256M flash system system.img
fastboot flash recovery recovery.img
fastboot -S 256M flash userdata userdata.img
fastboot flash boot boot.img
fastboot reboot
Seeing a lot of fastboot commands in there make me slightly optimistic if might have a fastboot mode after all?
So anyways what am I missing here? Or does the phone not have fastboot mode at all? Coupled with the fact that the asinine default recovery mode won't allow me to load custom apps via side load, what other options do I have? Is fastboot a prerequisite for flashing?
Really frustrated...a little help please guys...thanks.
PS: What is the difference between bootloader and fastboot mode? I can get my phone into bootloader mode via the necessary adb command but it's still stuck at the logo screen so don't know what to make of it.

[HELP!] Asus Fonepad 7 fe170cg stuck at lollipop

3 days ago I got a lollipop ota update to my fe170cg. Everything is cool except rooting. I want to root this device like a used to do at kitkat.
But I couldn't find any solution to root this device. I also tried VampireFo's tethered CWM recovery but no luck with that it is not even flashing CWM because of the tigth locked asus lollipop bootloader. I also tried to downgrade to kitkat because of the lollipop recovery But I couldn't downgrade. Now I have no more chance to root this device. And no chance to downgrade to kitkat as well. So I decided to ask professionals like you. I really need help!!. Any help would be appreciated. Thanks from now for any response.
FreeAgentNBS said:
3 days ago I got a lollipop ota update to my fe170cg. Everything is cool except rooting. I want to root this device like a used to do at kitkat.
But I couldn't find any solution to root this device. I also tried VampireFo's tethered CWM recovery but no luck with that it is not even flashing CWM because of the tigth locked asus lollipop bootloader. I also tried to downgrade to kitkat because of the lollipop recovery But I couldn't downgrade. Now I have no more chance to root this device. And no chance to downgrade to kitkat as well. So I decided to ask professionals like you. I really need help!!. Any help would be appreciated. Thanks from now for any response.
Click to expand...
Click to collapse
Hey there!
Not sure this will help you or not..for me it just doing good. Try use fastboot
fastboot erase cache
fastboot erase system
fastboot erase userdata
Then you need you flash the a stock firmware. UL-K012-WW-11.2.3.33-user
Download the appropriate firmware from Asus website. There are three .img files in the firmware zip file (fastboot.img, boot.img, splashscreen.img).
Copy all these three files to the extracted folder. Now type the following command in the command window one by one:
fastboot flash fastboot fastboot.img
fastboot flash boot boot.img
fastboot flash splashscreen splashscreen.img
fastboot reboot-bootloader
then you get your droidboot back.
user Temp CWM IntelAndroid-FBRL-05-16-2015-PTR to flash UL-K012-WW-11.2.3.33-user
so that you can downgrade to kitkat
BigBadWolf90 said:
Hey there!
Not sure this will help you or not..for me it just doing good. Try use fastboot
fastboot erase cache
fastboot erase system
fastboot erase userdata
Then you need you flash the a stock firmware. UL-K012-WW-11.2.3.33-user
Download the appropriate firmware from Asus website. There are three .img files in the firmware zip file (fastboot.img, boot.img, splashscreen.img).
Copy all these three files to the extracted folder. Now type the following command in the command window one by one:
fastboot flash fastboot fastboot.img
fastboot flash boot boot.img
fastboot flash splashscreen splashscreen.img
fastboot reboot-bootloader
then you get your droidboot back.
user Temp CWM IntelAndroid-FBRL-05-16-2015-PTR to flash UL-K012-WW-11.2.3.33-user
so that you can downgrade to kitkat
Click to expand...
Click to collapse
Thanks a lot It worked :good:
thanx a lot it worked
It worked at-last ....
BigBadWolf90 said:
Hey there!
Not sure this will help you or not..for me it just doing good. Try use fastboot
fastboot erase cache
fastboot erase system
fastboot erase userdata
Then you need you flash the a stock firmware. UL-K012-WW-11.2.3.33-user
Download the appropriate firmware from Asus website. There are three .img files in the firmware zip file (fastboot.img, boot.img, splashscreen.img).
Copy all these three files to the extracted folder. Now type the following command in the command window one by one:
fastboot flash fastboot fastboot.img
fastboot flash boot boot.img
fastboot flash splashscreen splashscreen.img
fastboot reboot-bootloader
then you get your droidboot back.
user Temp CWM IntelAndroid-FBRL-05-16-2015-PTR to flash UL-K012-WW-11.2.3.33-user
so that you can downgrade to kitkat
Click to expand...
Click to collapse
:good::good::good: Thank you so much dude..:highfive: :victory: Now it is working ..

Tried to root moto g 2015 indian version with kingroot app now stuck in startup menu

I tried to root my MOTO G 2015 XT1550 using KINGROOT app.At that time it was running marshmallow 6.01 ,after running the kingroot application the phone restarted and stuck in startup menu with fastboot mode.Please help me out of this
Are u able to open stock recivery?
And have unlocked bootloader?
Amirphp said:
Are u able to open stock recivery?
And have unlocked bootloader?
Click to expand...
Click to collapse
No,I have not unlocked the bootloader,what i did was that i installed kingroot app and tried to root from the app.I don't know what it did to my device but now its stuck in fastboot mode.Please tell me how to open stock recovery.
divyandu said:
I tried to root my MOTO G 2015 XT1550 using KINGROOT app.At that time it was running marshmallow 6.01 ,after running the kingroot application the phone restarted and stuck in startup menu with fastboot mode.Please help me out of this
Click to expand...
Click to collapse
1. Stay calm.
1.a You cannot root your phone without unlocking bootloader.
1.b. You will need to do a thorough reading of how to unlock bootloader from threads in this forum or else where. You will also need to read and understand the process of fastboot mode of flashing stock firmware.
2. Since you are able to enter fastboot mode connect your mobile to your PC with your USB chord, open the minimal adb fastboot mode, try to get the unlock key, visit Motorola site and get your bootloader unlock key. There are other threads explaning how to do this. Download the correct stock firmware identified based on the phone model no. Eg xt1550 dual sim and store it onto your PC, you will also need the minimal adb fastboot file, Motorola drivers, twrp3.0., SuperSU 2.62-3 ( no other version of SuperSU works, only this version)
3. Once you unlock your bootloader, flash the stock firmware which you need to download from other thread of this forum using fastboot mode. Note, marshmallow 6.0.1 has 7 sparsechunk files. So be careful about fast boot commands. Do not use the commands you find on the stock firmware thread blindly as these have commands only for 6 sparsechunk files. You may open the flash file from the downloaded firmware to get an idea of all the commands to be typed and their respective partitions too.
4. Flash twrp to replace stock recovery. Enter recovery from fastboot mode using volume keys to navigate and powerkey to select.
5. Once into twrp, press mounts tab and tick to mount USB storage, and copy the SuperSU 2.62-3 file into the external memory card of your phone from pc. Install this SuperSU.zip file without unzipping it by pressing the install tab in twrp home screen and selecting the zip file and sliding the installer.
6. Reboot system. Done! You have your phone rooted the perfect way.
When I switch on my device(moto g3) the following message appears.
Start Up Failed
Your device didn't startup successfully.
Use the Software Repair Assistant on your computer to repair your device.
Connect your device to your computer to get the Software Repair Assistant.
AP Fastboot Flash Mode (Secure)
Failed to verify hab image boot
failed to validate boot image
ERROR: Failed to pass validation,backup to fastboot
Boot up failed
Please help with a solution asap??
divyandu said:
When I switch on my device(moto g3) the following message appears.
Start Up Failed
Your device didn't startup successfully.
Use the Software Repair Assistant on your computer to repair your device.
Connect your device to your computer to get the Software Repair Assistant.
AP Fastboot Flash Mode (Secure)
Failed to verify hab image boot
failed to validate boot image
ERROR: Failed to pass validation,backup to fastboot
Boot up failed
Please help with a solution asap??
Click to expand...
Click to collapse
Dear friend please have patience...
These things require a cool mind...
Did you try the hardware way of entering the fastboot mode? If not keep the volume down and power button pressed for some time till ulyou enter fastboot mode. Basically there is no info if you have tried to follow what was given earlier...have you tried it?
I am unable to unlock the bootloader from adb.
The problem I think is that my phone's USB debugging is off.Anybody plz tell me how do I turn my bootloader on from fastboot or recovery mode.
divyandu said:
No,I have not unlocked the bootloader,what i did was that i installed kingroot app and tried to root from the app.I don't know what it did to my device but now its stuck in fastboot mode.Please tell me how to open stock recovery.
Click to expand...
Click to collapse
@divyandu follow this and let me know if it works.
http://forum.xda-developers.com/2015...k-6-0-t3349468
you can get the Factory Firmware's on this Link.
http://forum.xda-developers.com/2015...mages-t3169639
divyandu said:
I am unable to unlock the bootloader from adb.
The problem I think is that my phone's USB debugging is off.Anybody plz tell me how do I turn my bootloader on from fastboot or recovery mode.
Click to expand...
Click to collapse
Dear friend,
You need not have your bootloader unlocked to flash factory firmware
Quote from the XDA forum factory firmware link:
"Frequently Asked Questions:
Can I restore Factory Firmware if my Bootloader is locked?
Yes."
And if you are still stuck with a phone stuck at logo or is looping at the boot, either follow steps given elsewhere in this forum or follow the method that I am enumerating below which is what I would have done (which in principle is same as given elsewhere).
Getting your phone revived is your first priority. Unlocking bootloader and rooting is secondary.
You would be needing a pc with administrator privilege, internet connection and of course your phone along with the usb cable.
You would be needing the drivers for your phone, minimal adb and fastboot files, stock firmware for your phone model. All these files are available in the XDA forum as per links provided by others or as per this link
http://forum.xda-developers.com/2015-moto-g/general/guide-fastboot-flashing-factory-t3187750
1. Correctly install drivers onto your pc using administrator privileges.
2. Unzip and Install the minimal adb and fastboot files onto your pc into some specific directory and click the executable files once. This would ensure that all the files are loaded and dos prompt recognizes the adb and fastboot commands (commands are different for ADB stage and FASTBOOT stage, what you are going to use is directly the fastboot stage commands given below). Install as an administrator. Note this specific directory and file where you unzipped and installed the minimal adb file as you will need it in the below step.
3. Download the stock 6.0.1 mm firmware for XT1550 from the link below store it in you pc.
http://forum.xda-developers.com/2015-moto-g/general/index-moto-g-factory-firmware-images-t3169639
Unzip the stock firmware. Now copy all the files of the stock firmware (all of them) into the specific file of the minimal adb and fastboot which you unzipped into and installed earlier and noted the location. You need to copy all the firmware files into the minimal adb and fastboot directory as that way you avoid specifying the location of the files for each flash command which is both simple and saves us from a lot of mistakes.
4. After copying all the unzipped stock firmware files in the minimal adb fastboot directory, press the shift button on keyboard and right click the mouse on the screen where in a dialogue box appears and choose to open the command prompt in this directory. This will open a command prompt with default reference to the current directory.
5. In what ever condition your phone is in (other than the fastboot mode), press simultaneously the volume down key + power button together for about 8-10 secs. This action will automatically lead your phone to enter the fastboot mode. After entering the fastboot mode you can connect the phone to your pc using a usb cable and your pc should ring a note that it has detected the phone. To check if the pc has detected the phone and the link is established, type the following command in the command prompt window which you opened in step 4
fastboot devices
This command displays your device number if all is well in the command prompt window. NOW you are ready to flash the stock firmware I.E. after successful detection of the phone by your pc.
6. Carefully type each and every of the commands in italics or copy and paste them ONE by ONE and wait for each command to be executed. The commands are being given below to help you (these are for flashing the 6.0.1mm onto the XT1550 only) in the opened command prompt window (Ensure that you do not miss any of the commands and follow the order given below) :
fastboot oem fb_mode_set
fastboot flash partition gpt.bin
fastboot flash bootloader bootloader.img
fastboot flash logo logo.bin
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img_sparsechunk.0
fastboot flash system system.img_sparsechunk.1
fastboot flash system system.img_sparsechunk.2
fastboot flash system system.img_sparsechunk.3
fastboot flash system system.img_sparsechunk.4
fastboot flash system system.img_sparsechunk.5
fastboot flash system system.img_sparsechunk.6
fastboot flash system system.img_sparsechunk.7
fastboot flash modem NON-HLOS.bin
fastboot erase modemst1
fastboot erase modemst2
fastboot flash fsg fsg.mbn
fastboot erase cache
fastboot erase userdata
fastboot erase customize
fastboot erase clogo
fastboot oem fb_mode_clear
fastboot reboot
If you have done every thing correctly till now you should see the command prompt returning a OKAY afer each command with the time taken for flashing each file. This should revive your device first.
After this you may try unlocking the bootloader and rooting as the next step. But be patient and retain a cool head to read first and think clearly..... you will need it a lot as is necessary for such things... good luck and happy learning!!
Follow the instructions in this thread ...to unlock bootloader and root...
Works 100%.
http://forum.xda-developers.com/2015-moto-g/general/root-how-to-root-moto-g-2015-android-t3320113
arunhebbare said:
Dear friend,
You need not have your bootloader unlocked to flash factory firmware
Quote from the XDA forum factory firmware link:
"Frequently Asked Questions:
Can I restore Factory Firmware if my Bootloader is locked?
Yes."
And if you are still stuck with a phone stuck at logo or is looping at the boot, either follow steps given elsewhere in this forum or follow the method that I am enumerating below which is what I would have done (which in principle is same as given elsewhere).
Getting your phone revived is your first priority. Unlocking bootloader and rooting is secondary.
You would be needing a pc with administrator privilege, internet connection and of course your phone along with the usb cable.
You would be needing the drivers for your phone, minimal adb and fastboot files, stock firmware for your phone model. All these files are available in the XDA forum as per links provided by others or as per this link
http://forum.xda-developers.com/2015-moto-g/general/guide-fastboot-flashing-factory-t3187750
1. Correctly install drivers onto your pc using administrator privileges.
2. Unzip and Install the minimal adb and fastboot files onto your pc into some specific directory and click the executable files once. This would ensure that all the files are loaded and dos prompt recognizes the adb and fastboot commands (commands are different for ADB stage and FASTBOOT stage, what you are going to use is directly the fastboot stage commands given below). Install as an administrator. Note this specific directory and file where you unzipped and installed the minimal adb file as you will need it in the below step.
3. Download the stock 6.0.1 mm firmware for XT1550 from the link below store it in you pc.
http://forum.xda-developers.com/2015-moto-g/general/index-moto-g-factory-firmware-images-t3169639
Unzip the stock firmware. Now copy all the files of the stock firmware (all of them) into the specific file of the minimal adb and fastboot which you unzipped into and installed earlier and noted the location. You need to copy all the firmware files into the minimal adb and fastboot directory as that way you avoid specifying the location of the files for each flash command which is both simple and saves us from a lot of mistakes.
4. After copying all the unzipped stock firmware files in the minimal adb fastboot directory, press the shift button on keyboard and right click the mouse on the screen where in a dialogue box appears and choose to open the command prompt in this directory. This will open a command prompt with default reference to the current directory.
5. In what ever condition your phone is in (other than the fastboot mode), press simultaneously the volume down key + power button together for about 8-10 secs. This action will automatically lead your phone to enter the fastboot mode. After entering the fastboot mode you can connect the phone to your pc using a usb cable and your pc should ring a note that it has detected the phone. To check if the pc has detected the phone and the link is established, type the following command in the command prompt window which you opened in step 4
fastboot devices
This command displays your device number if all is well in the command prompt window. NOW you are ready to flash the stock firmware I.E. after successful detection of the phone by your pc.
6. Carefully type each and every of the commands in italics or copy and paste them ONE by ONE and wait for each command to be executed. The commands are being given below to help you (these are for flashing the 6.0.1mm onto the XT1550 only) in the opened command prompt window (Ensure that you do not miss any of the commands and follow the order given below) :
fastboot oem fb_mode_set
fastboot flash partition gpt.bin
fastboot flash bootloader bootloader.img
fastboot flash logo logo.bin
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash system system.img_sparsechunk.0
fastboot flash system system.img_sparsechunk.1
fastboot flash system system.img_sparsechunk.2
fastboot flash system system.img_sparsechunk.3
fastboot flash system system.img_sparsechunk.4
fastboot flash system system.img_sparsechunk.5
fastboot flash system system.img_sparsechunk.6
fastboot flash system system.img_sparsechunk.7
fastboot flash modem NON-HLOS.bin
fastboot erase modemst1
fastboot erase modemst2
fastboot flash fsg fsg.mbn
fastboot erase cache
fastboot erase userdata
fastboot erase customize
fastboot erase clogo
fastboot oem fb_mode_clear
fastboot reboot
If you have done every thing correctly till now you should see the command prompt returning a OKAY afer each command with the time taken for flashing each file. This should revive your device first.
After this you may try unlocking the bootloader and rooting as the next step. But be patient and retain a cool head to read first and think clearly..... you will need it a lot as is necessary for such things... good luck and happy learning!!
Click to expand...
Click to collapse
Ty everyone for the support and the quick answers.My phone is unbricked and is running 6.0.1
Special thanks arunhebbare your suggestion worked out finally
I tried to root my MOTO G 2015 XT1550 using KINGROOT app.At that time it was running marshmallow 6.01 ,after running the kingroot application the phone restarted and stuck in startup menu with fastboot mode.
:crying: When I switch on my device(moto g3) the following message appears.
Start Up Failed
Your device didn't startup successfully.
Use the Software Repair Assistant on your computer to repair your device.
Connect your device to your computer to get the Software Repair Assistant.
AP Fastboot Flash Mode (Secure)
Failed to verify hab image boot
failed to validate boot image
ERROR: Failed to pass validation,backup to fastboot
Boot up failed
plz help me
vidya_sagar said:
I tried to root my MOTO G 2015 XT1550 using KINGROOT app.At that time it was running marshmallow 6.01 ,after running the kingroot application the phone restarted and stuck in startup menu with fastboot mode.
:crying: When I switch on my device(moto g3) the following message appears.
Start Up Failed
Your device didn't startup successfully.
Use the Software Repair Assistant on your computer to repair your device.
Connect your device to your computer to get the Software Repair Assistant.
AP Fastboot Flash Mode (Secure)
Failed to verify hab image boot
failed to validate boot image
ERROR: Failed to pass validation,backup to fastboot
Boot up failed
plz help me
Click to expand...
Click to collapse
You tried the above solution a few posts back??
Broadcasted from Zeta Reticuli
Gravemind2015 said:
You tried the above solution a few posts back??
Broadcasted from Zeta Reticuli
Click to expand...
Click to collapse
i'm not sure about Enabling USB debugging. is that above process will work??when i don't enable usb debugging?
tnx for ur reply
---------- Post added at 10:45 AM ---------- Previous post was at 10:07 AM ----------
vidya_sagar said:
i'm not sure about Enabling USB debugging. is that above process will work??when i don't enable usb debugging?
tnx for ur reply
Click to expand...
Click to collapse
if u dont mind can u post the vedio of this process
bad
iam unlocked my boot loader in my moto g3 running 6.0.1...after i try to flash twrp to root ..but it is no worked ..so i use king root app to root my phone root installed successfully ...but my sims signels are not showing ...so i do hard reset ...after phone is on and stucks at language selection what should i do
vidya_sagar said:
i'm not sure about Enabling USB debugging. is that above process will work??when i don't enable usb debugging?
tnx for ur reply
---------- Post added at 10:45 AM ---------- Previous post was at 10:07 AM ----------
if u dont mind can u post the vedio of this process
Click to expand...
Click to collapse
My internet is not fast enough for a video upload sorry. But if you are not sure about the process you can search lost101's firmware flashing guide in general section. I have flashed it and it works.
Broadcasted from Zeta Reticuli

[Completed] Recovery not available

Hi,
Device is: Asus Zenfone 2, Z008
At some point I managed to brick it. Restored it using xFstk and some fastboot magic.
Now, the big issue is, I cannot boot to recovery.
I can load bootloader (do fastboot commands), chose "Recovery", but it will just boot normal into the OS. Droid with hazard doesn't appear, just normal boot.
Tried (not all at once)
fastboot erase cache
fastboot format cache
installing twrp
flashing stock recovery.img
No joy.
What am I missing?
Video on Youtube with the issue: https://www.youtube.com/watch?v=ESnxjGDKwWA
Hi !
A quick answer has been provided here https://forum.xda-developers.com/showpost.php?p=71063211&postcount=598
Try this command after placing this recovery img into the adb folder and boot into bootloader
fastboot devices
enter
(check if it is recognised) then
fastboot boot recovery.img
( where recovery.img should be the exact name of your recovery you want to boot into)
Keep an eye on that thread you already have posted , more users may have replied
Good luck !

Error 7 Device name is "" instead of "ShieldTablet"

So i goofed up and wiped everything under advanced when I was switching Roms. I was able to get the original recovery image installed (nv-recovery-st-wx-na-wf-5.2.0.zip) but if i reinstall TWRP and attempt to install any rom, the device name is still "" instead of "ShieldTablet". Is there anyway to restore the device name? I have been digging around on the forums (Including other device forums) but installing recovery is all I have been able to find. (Note: There was some guides advising removal of the device name check from the script within the image file, then re-zipping it. But this seems to always fail with a bad image error.)
Recovery was installed manually using fastboot:
fastboot flash recovery recovery.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash userdata userdata.img
fastboot flash staging blob
Recovery image pulled from https://developer.nvidia.com/shield-open-source
More info to issue.
Boot into bootloader
fastboot flash recovery recovery.img
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash userdata userdata.img
fastboot flash staging blob
Boot into OS. (everything works.)
EnableUSB debug
adb shell settings get global device_name (Gives back "SHIELD Tablet")
Reboot into bootloader
fastboot flash recovery twrp-3.5.1_9-0-shieldtablet.img
Reboot into twrp
Copy on Rom and attempt to install.
Error text:
E3004: This package is for device: shieldtablet; this device is .
Updater process ended with ERROR: 7
Error installing zip file '/external_sd/Lineage-14.1-20210312-unofficial-shieldtablet.zip'
Note: above error text occurs when trying to install any ROM.
I am trying to figure out where "E3004: This package is for device: shieldtablet; this device is ." is pulling the device name. That is the part that I need to fix somehow.
Hi did you try to use a older version of twrp ? I also had my issues with the 9.5.1 version as it doesnt recognize my sdcard so i reflashed the version 9.5.0
You beautiful person! Downgrading from twrp-3.5.1_9-0-shieldtablet.img to twrp-3.5.0_9-0-shieldtablet.img allowed the img to install!
Checking in with the same problem. Thank you for the solution listed of downgrading to 3.5.0_9-0.
Currently flashing!

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