Hello friends, my phone that I have been using for a long time has been failing like the internal storage is full, then the screen went black and only the clock and battery remained. The clock is running, the battery is getting higher, but the phone has not been switched on for 2 days. There was a lock on the phone. When it is plugged into the PC, it gets its name but it does not access internal storage (as if it was not unlocked). In the recovery mode, when i want to update the flyme, giving this error- firmware corrupted, I do not want the data to be deleted. I need pictures, backup not made. What can I do?