Get Imei Backup PNG. One of them is an encrypted file. Similar to the partitions on your computer, the android smartphone has partitions.
Backup and recovery imei with qpst tool. It may work on devices with other chipsets too but i haven't. One of them is an encrypted file.
Download and install android adb driver on your computer.
Open your scatter file and search for nvram. Now, enable usb debugging on your android device. How to backup & restore efs / imei on android phones using easy steps guide. In this tutorial you learn how to make an backup of for prevent bad situation is better if we start to learn how to do an backup of an imei and nvram.