[Android] How to backup EFS folder

What do we need to get you back EFS folder?
The first thing you need, is to have a Rooted Phone  also also need a root file explorer , such as the Root Explorer or ES File Explorer , both available from the Play Store .

What do we need to get you back EFS folder

How to back up the EFS folder?
The backup of the EFS folder is limited to just enter the path / efs and copy the entire folder with the file browser selected in the previous step, then copy it to the internal or external sdcard device to finally store it in a safe as it can be a hard drive, a thumb drive or your own personal computer.