How to backup Critical Partition on OnePlus Open CPH2551

OnePlus smartphones are known for their high performance, sleek design, and user-friendliness. While these devices are designed to survive the rigours of regular use, it’s always a good idea to take precautions to protect your data and device integrity. So in this article we share step by step Guide to backup IMEI and Persist partition on OnePlus Open.

Why Backup Critical Partitions?

Critical partitions on your OnePlus Open contain critical system files, configurations Like IMEI, Serial Number and Fingerprint data. It is important to back up these partitions for Safety reasons:

Prerequisites:

Steps:

  • Download & extract platform tools
  • go to platform tools folder and open cmd
  • enable usb debugging & plug your device
  • now enter below code
adb shell
su
dd if=/dev/block/bootdevice/by-name/persist of=/sdcard/persist.img 
dd if=/dev/block/bootdevice/by-name/modemst1 of=/sdcard/modemst1.bin 
dd if=/ dev/block/bootdevice/by-name/modemst2 of=/sdcard/modemst2.bin 
dd if=/dev/block/bootdevice/by-name/fsc of=/sdcard/fsc.bin 
dd if=/dev/block/ bootdevice/by-name/fsg of=/sdcard/fsg.bin
  • done collected backuped file in device root folder

How to Restore Critical partitions:

Note: risk exist, restore only if imei is null, persist.img can be used to fix fingerprint.

fastboot flash persist persist.img 
fastboot flash modemst1 modemst1.bin 
fastboot flash modemst2 modemst2.bin 
fastboot flash fsc fsc.bin 
fastboot flash fsg fsg.bin