One week ago I deleted some photos on my phone and then I factory reset to sell it. (Oreo with FDE by default) :
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- It's possible to recover something after I deleted them also from the trash? Or TRIM/garbage collection did everything after some minutes? Probably only fragments of bits would remain (we are not talking about encryption)
-with a factory reset, new encryption key, /data /cache are deleted and the old user blocks are sent to TRIM?
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Does a factory reset remove the previous user blocks from TRIM and erase the new encryption key from /data/cache?
What's still there?
It's my understanding a factory reset makes recovery impossible. It's not that everything gets deleted. When you enter setup and go through the process, the user directory is overwritten, which destroys the old data.
