How to identify either Emmc is Damaged in Samsung Phone?
A simple solution to find out whether emmc of a Samsung phone is damaged by switching the phone to Recovery mode using Power + Volume Up + Home (Phone Should be switched off then try out the combination).
If phone Fails to enter recovery mode, then it is a clear indication of EMMC issue.
How to Overcome the Emmc issue?
First, we had programmed new emmc with UFI.
We had replaced Emmc Micron to Samsung.
After that, phone comes to Boot mode.
Then, Flashing with Flash File using Z3x Pro.