MTK NVRAM Free Tools backup and restore

The mobile test backup and restore NVRAM is MTK6572 Cherry SPIN 3g.
STEPS
1. Download MTK NVRAM TOOL By Phoenixemer
NOTE: This tool is free and for educational purpose only, Doit at your own risk about using the tool, I'm not responsible for what came result about using this tool. But this tool is perfect for NVRAM file backup and Restore.
2. Root your device must better.
3. Enable USB Debugging in your Android phone by going to “Settings About Phone” and locate “Build Number"
4. Tap on build number seven time and now you have “Developer Options”.
5. Go back to the “Settings” page and tap on “Developer Options“.
6. Now tap on “USB Debugging” checkbox to enable USB debugging in your device.
7. Connect your device to your PC via USB cable.
8. Open MTK NVRAM TOOL By Phoenixemer and follow the tool prompt.

1:19 Download Link:
http://mobilenvramfirmware.blogspot.com/2018/01/how-to-backup-and-restore-mtk-nvram.html
1:44 ADB driver download
2:50 Backup MTK NVRAM
3:30 Restore MTK NVRAM
4:26 IMEI writer
4:40 Flash NVRAM.img using SP flash tool tutorial

Видео MTK NVRAM Free Tools backup and restore канала phoenix emer