DESCRIPTION

Here is how you can Backup & Restore IMEI for Lenovo P70-A International Version 

First you'll need to flash TWRP Recovery if you donta have it already get it from here 

https://www.needrom.com/download/lenovo-p70-a-twrp-root/

Second follow these steps 

1- Flash the TWRP recovery

2- Reboot into Recovery by pressing on VOL+ & Power till you get a screen with 3 Options

3- Choose recovery using the VOL+ key and VOL- to confirm

4- Choose Backup and from there check on (NVRam / ProInfo / Protect_F / Protect_S) and uncheck everything else 

5- Swipe the bar to begin the backup process 

6- Enjoy 

To restore just follow step 2 & 3 and choose Restore this time 

PS: This works for the P70-A International Version with 2GB Ram 

※Please make a backup of your device before installing or updating ROM