Hi
The tab P6800 I got here with me had data corruption, boot-loop. I tried to flash CWM/TWRP using odin to backup the data first, but unfortunately whenever flash complete (without error) and the device reboot, it still go back to stock recovery. I think this tab had some kind of protection.
Gaining root in stock recovery, I managed to backup the data using dd. However when I tried to wipe and reboot, nothing changed. It boots back with all previous data intact.
Then I tried to manually zeroed out the partition using dd. No luck there, stills intact.
Tried to mount the data partition, delete and write some stuff into it, it can successfully delete, write and read back. However when rebooted, the data is gone and back to where it was before. Which probably means the data written before probably cached into ram.
Is the memory is in some kind of read-only mode? Is there is any fix for this? Or is it just emmc wear out and need a board replacement?
The tab P6800 I got here with me had data corruption, boot-loop. I tried to flash CWM/TWRP using odin to backup the data first, but unfortunately whenever flash complete (without error) and the device reboot, it still go back to stock recovery. I think this tab had some kind of protection.
Gaining root in stock recovery, I managed to backup the data using dd. However when I tried to wipe and reboot, nothing changed. It boots back with all previous data intact.
Then I tried to manually zeroed out the partition using dd. No luck there, stills intact.
Tried to mount the data partition, delete and write some stuff into it, it can successfully delete, write and read back. However when rebooted, the data is gone and back to where it was before. Which probably means the data written before probably cached into ram.
Is the memory is in some kind of read-only mode? Is there is any fix for this? Or is it just emmc wear out and need a board replacement?
Written by dd
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