cgsecurity.org

I will try to root the android phone, and try to recover the reset data partition. Maybe I am able to get the key back, unless the data partition was not encrypted before.

I have the same problem I stumbled up on. It seems like your sd card is formatted on Android as adaptive storage. This means that all the data on your android_expand partition is encrypted. The key for the encrypted files is a 128-bit AES key, which can be found in /data/misc/vold. I am not sure if ...