Quote:
Originally Posted by jiacker
And how can i fixed it, copy somebody‘s mmcblk0p2 to restore?
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Sort of.

You should be able to find recovery image's for the PW's Diags system among our debricking images.
See the "Where do I start?" sticky thread for leads/links to the old (pre-kubrick) recovery information.
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Nothing you did is likely to have trashed the file system itself -
Much more likely that you have failing hardware (the eMMC chip).
But the chip **might** be able to recover when you re-flash it.