[Unblock android phone and recover data]

In fact, recently, I have also encountered this similar phone data loss problem and learned a lot by reading many threads and articles.

In fact, my phone is just formatted by my brother and all wanted data is gone. However, fortunately, I have found a useful tutorial that tells about how to rescue data back from memory card:

How to Recover Deleted Files on Android

It is really useful for me and helps me restore all my precious photos with Android Data Recovery .

So, it may give you some clues, too.

You should learn to make data back all time, just like me.