[Guide] Backup ,restore imei and fix invalid imei number

Requirements :
Imei number
Mobile unkle tools
Es file explorer

Fixing invalid imei
This method dosent require root

Install and open mobile unkle tools
Go to engeeniring mode (MTK)
Under connectivity open cds information
Click radio indormation

Open phone 1
Type in the box
AT+ EGMR=1,7,"Enter your imei number here"
Press sent command
Reboot

In phone 2
Type
AT+ EGMR=1,10,"Enter your imei number here"
Reboot

Do not forget to add space between AT+and EGMR

And your imei has been added

Backing up imei
Requires root
Open es file manager grant root permissions
Go to /data/nvram/md/nvram/
Copy the whole nvd_imei Filder to your sdcard

And this filder is your imei backup

Another way of backing up imei
Use mobile unkle tools and click in backup imei to sdcard
This creates a imei backup in another format but restoring imei is not allways sucess full using this method


Restoring imei
Requires root

just paste the nvd imei folder in
/data/nvram/md/nvram/

And reboot
Imei restored

Using mobile unkle tools
Click restore imei from sdcard
And then reboot
This method not restore imei allways in higher androod versions like marshmallow


Thanks
Hope you like this guide:good::laugh: