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[Q] unable to unroot

OP japieonn

8th January 2014, 01:26 PM   |  #1  
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i am gonna unroot my nexus 10
i had download the mantaray-jdq39-factory-d79f489e firmware and following the intruction on9
but my device cant get through formatting userdata. the error posted below.
anyone can help ? my nexus 10 now cant turn on. only can boot into bootloader.
i did tried changing several usb cable and usb ports.

this is my bootloader information
Quote:

(bootloader) variant: wifi-only
(bootloader) serialno: R32D102951D
(bootloader) version-hardware: 8
(bootloader) version-bootloader: MANTAMD03
(bootloader) secure: yes
(bootloader) unlocked: yes
(bootloader) off-mode-charge: enabled(1)
(bootloader) signing: yes
(bootloader) boot partition- type: raw, size: 0x0000000001000000
(bootloader) recovery partition- type: raw, size: 0x0000000001ff0000
(bootloader) metadata partition- type: raw, size: 0x0000000000010000
(bootloader) misc partition- type: raw, size: 0x0000000000400000
(bootloader) cache partition- type: ext4, size: 0x0000000021000000
(bootloader) system partition- type: ext4, size: 0x0000000032000000
(bootloader) userdata partition- type: ext4, size: 0x00000006ef400000
all:
finished. total time: 0.025s



this is the error
Quote:

formatting 'userdata' partition...
Creating filesystem with parameters:
Size: 29783752704
Block size: 4096
Blocks per group: 32768
Inodes per group: 8192
Inode size: 256
Journal blocks: 32768
Label:
Blocks: 7271424
Block groups: 222
Reserved block group size: 1024
Created filesystem with 11/1818624 inodes and 158176/7271424 blocks
error: file_write: write: Bad file descriptor
sending 'userdata' (0 KB)...

9th January 2014, 05:42 AM   |  #2  
demkantor's Avatar
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Check md5sum or sha1 to check for bad download, and it looks like bootloader is still unlocked
fastboot oem lock
Now run the update to return to stock

Sent from my Nexus 7 using XDA Premium 4 mobile app
9th January 2014, 06:54 AM   |  #3  
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Quote:
Originally Posted by demkantor

Check md5sum or sha1 to check for bad download, and it looks like bootloader is still unlocked
fastboot oem lock
Now run the update to return to stock

Sent from my Nexus 7 using XDA Premium 4 mobile app

hi
do u mean i need to relock bootloader than do the -w update command?
9th January 2014, 07:11 AM   |  #4  
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If your goal is to unroot and return to stock you want a locked bootloader

Sent from my Nexus 7 using XDA Premium 4 mobile app
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