Issues with Shield Tablet, bootloader locked - Shield Tablet Q&A, Help & Troubleshooting

Hello,
So I have been using my Shield Tablet just fine for the past few years but now its locked on the Nvidia logo when it boots up, I've tried going into recovery mode to factory reset but then it just hangs on "No Command" I noticed that the bootloader is locked so I got ABD and fastboot. Once I setup the tablet to register in fastboot devices, I then use 'fastboot oem unlock' like it says to from the Nvidia support forums, but it fails and gives this command. Can anyone help me out to figure out what is wrong?
.... > fastboot oem unlock
(bootloader) Showing Options on Display.
(bootloader) Use device keys for selection.
(bootloader) erasing userdata...
(bootloader) erasing userdata done
(bootloader) erasing cache...
(bootloader) erasing cache done
(bootloader) unlocking...
FAILED (remote: '(')
fastboot: error: Command failed
Any advice would be helpful

Malzra said:
Hello,
So I have been using my Shield Tablet just fine for the past few years but now its locked on the Nvidia logo when it boots up, I've tried going into recovery mode to factory reset but then it just hangs on "No Command" I noticed that the bootloader is locked so I got ABD and fastboot. Once I setup the tablet to register in fastboot devices, I then use 'fastboot oem unlock' like it says to from the Nvidia support forums, but it fails and gives this command. Can anyone help me out to figure out what is wrong?
.... > fastboot oem unlock
(bootloader) Showing Options on Display.
(bootloader) Use device keys for selection.
(bootloader) erasing userdata...
(bootloader) erasing userdata done
(bootloader) erasing cache...
(bootloader) erasing cache done
(bootloader) unlocking...
FAILED (remote: '(')
fastboot: error: Command failed
Any advice would be helpful
Click to expand...
Click to collapse
What happens when fastboot flashing unlock

Related

[Q] Unlock Bootloader Error on XT1033

Itried unlocking, But after entering the unlock code, i got this error:
(bootloader) Failed to erase partition
(bootloader) General Unlock failure!
(bootloader) OEM unlock failure!
FAILED (remote failure)
After that my screen went blank and i unplugged my device. On boot up it did show that the bootloader is unlocked. Also my phone was formatted as it was supposed to be.
In fastboot menu also it does show : "Device status: unlocked"
What does all of those failed messages mean then? 

Stuck on nVidia Logo, Can't Unlock Bootloader

I tried turning on my Shield (WiFi) tablet today and it just stays stuck on the nVidia logo. I tried booting into recovery and it also just sits, stuck on the nVidia logo. I figured it might be corrupted (bad update, possibly), so I decided to restore it to factory settings by using the latest system image files from nVidia on their Dev site. I followed the instructions, but didn't get too far when I needed to unlock my bootloader and it failed, returning:
Code:
(bootloader) Showing Options on Display.
(bootloader) Use device keys for selection.
(bootloader) erasing userdata...
(bootloader) erasing userdata done
(bootloader) erasing cache...
(bootloader) erasing cache done
(bootloader) unlocking...
FAILED (remote: (Unknown error code))
finished. total time: 14.872s
I have tried 2 computers, 2 USB cables, and still have had no luck getting it to unlock the bootloader to flash the factory image. I also did some digging and found that my bootloader is listed as UNDEF_BUILD and that some people had luck restoring it though flashing the file tegra124-tn8-p1761-1270-a04-e-battery.dtb, but it won't let me do that because it also complains my bootloader is locked.
The tablet is out of warranty, so I really don't want to have to RMA it due to cost. Any ideas or hope of bringing it back to life?

Yuphoria unable to unlock bootloader

my yuphoria was hardbricked
however i created a emmc memory card nd now my mobile is in fastboot mode ! bt when i try to unlock bootloader ! it says failed to erase partiton
it says
(bootloader) Warning: unlock will wipe all user data
(bootloader) Press Volume Up key to confirm
(bootloader) Press Volume Down key to cancel
(bootloader) Erasing userdata.
FAILED (remote: failed to erase partition)
finished. total time: 1.863s
i cant flash cyanogen os through fastboot.
when i try to flash cos ! it says unlock device to use this command...
bhavesh.kale.73 said:
my yuphoria was hardbricked
however i created a emmc memory card nd now my mobile is in fastboot mode ! bt when i try to unlock bootloader ! it says failed to erase partiton
it says
(bootloader) Warning: unlock will wipe all user data
(bootloader) Press Volume Up key to confirm
(bootloader) Press Volume Down key to cancel
(bootloader) Erasing userdata.
FAILED (remote: failed to erase partition)
finished. total time: 1.863s
i cant flash cyanogen os through fastboot.
when i try to flash cos ! it says unlock device to use this command...
Click to expand...
Click to collapse
Have used ygdp tool?

Relocking bootloader

Hello, due to an coruppted bootloader/cache/data point in my schield tablet i tried to doe fastboot
fastboot oe lock.
It was previously unlocked, somehow i read somewhere that relocking can fix corrupted bootloader of data partitions.
But when i try to relock it with fastboot oem lock i get
D:\nvidia\image>fastboot oem lock
...
(bootloader) Showing Options on Display.
(bootloader) Use device keys for selection.
(bootloader) Locking...
FAILED (remote: ()
finished. total time: 3.905s
Can someone please help me
Did you try with fastboot oem relock ?
Yes i did but get failed unkown error when i do

Abnormal fastboot behaviour: Moto One Power

Good day readers!
This is my first post in this forum, I own a Motorola One Power and I have been trying to unlock my bootloader in order to install TWRP for the past 2 days. When ever i run the command,
> fastboot oem get_unlock_data
terminal shell gives confusing errors.
eg:
$ fastboot oem get_unlock_data
(bootloader) slot-counttas: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixe: not found
...
(bootloader) 'get_unlock_da' is not a supported oem command
(bootloader) See 'fastboot oem help'
FAILED (remote failure)
finished. total time: 0.000s
or
$ fastboot oem get_unlock_data
(bootloader) slot-co: not found
(bootloader) slot-suffi: not found
...
(bootloader) 'get_unlock_datas' is not a supported oem command
(bootloader) See 'fastboot oem help'
FAILED (remote failure)
finished. total time: 0.000s
Notice that I didn't write get_unlock_da yet it still gives such errors. I am unable to unlock my phone and have no clue how to deal with this.
For the love of God, someone help me with this.
Thanks
ps: other commands like fastboot get_var all does the similar thing. Only command that does work is fastboot devices.
bhaunda said:
Good day readers!
This is my first post in this forum, I own a Motorola One Power and I have been trying to unlock my bootloader in order to install TWRP for the past 2 days. When ever i run the command,
> fastboot oem get_unlock_data
terminal shell gives confusing errors.
eg:
$ fastboot oem get_unlock_data
(bootloader) slot-counttas: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixe: not found
...
(bootloader) 'get_unlock_da' is not a supported oem command
(bootloader) See 'fastboot oem help'
FAILED (remote failure)
finished. total time: 0.000s
or
$ fastboot oem get_unlock_data
(bootloader) slot-co: not found
(bootloader) slot-suffi: not found
...
(bootloader) 'get_unlock_datas' is not a supported oem command
(bootloader) See 'fastboot oem help'
FAILED (remote failure)
finished. total time: 0.000s
Notice that I didn't write get_unlock_da yet it still gives such errors. I am unable to unlock my phone and have no clue how to deal with this.
For the love of God, someone help me with this.
Thanks
ps: other commands like fastboot get_var all does the similar thing. Only command that does work is fastboot devices.
Click to expand...
Click to collapse
Do you have chef/XT1942?
There is a forum for this device
Motorola One Power
The Motorola One Power is a 6.2" phone with a 1080x2246p resolution display. The Snapdragon 636 chipset is paired with 3/4GB of RAM and 32/64GB of storage. The main camera is 16+5MP and the selfie camera is 12MP. The battery has a 5000mAh capacity.
forum.xda-developers.com
and a bootloader unlocking thread
[GUIDE] Motorola One Power Unlock/Relock Bootloader,Flashing Custom Recovery,Rooting
UNLOCKING THE BOOTLOADER WARNING:- UNLOCKING YOUR BOOTLOADER VOIDS YOUR WARRANTY.PROCEED AT YOUR OWN RISK. NOTE: Unlocking the bootloader will Wipe/ factory reset your device, and will delete all personal data from your device such as apps...
forum.xda-developers.com
You are using Linux?
sd_shadow said:
Do you have chef/XT1942?
There is a forum for this device
Motorola One Power
The Motorola One Power is a 6.2" phone with a 1080x2246p resolution display. The Snapdragon 636 chipset is paired with 3/4GB of RAM and 32/64GB of storage. The main camera is 16+5MP and the selfie camera is 12MP. The battery has a 5000mAh capacity.
forum.xda-developers.com
and a bootloader unlocking thread
[GUIDE] Motorola One Power Unlock/Relock Bootloader,Flashing Custom Recovery,Rooting
UNLOCKING THE BOOTLOADER WARNING:- UNLOCKING YOUR BOOTLOADER VOIDS YOUR WARRANTY.PROCEED AT YOUR OWN RISK. NOTE: Unlocking the bootloader will Wipe/ factory reset your device, and will delete all personal data from your device such as apps...
forum.xda-developers.com
You are using Linux?
Click to expand...
Click to collapse
So should I delete this thread?
> Yes its chef XT1942-2 64GB PVT
> yes I am using Linux, but the same thing happens in windows as well.

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