To avoid this issue, you need to take a backup of the imei numbers. in this post, we will see the easy way to backup and restore imei on android. let's get started.backup imei on rooted mtk android devicessteps download and install the app.unfortunately, the mobileuncle tools app isn’t available on the play store.. Here, click on the backup button to backup your device's imei/ nvram. that's it! your backup file would be stored inside the imei/ nvram folder under the mtk droid tool folder. how to restore imei/ nvram data using mtk droid tool. in the mtk droid tool, click on root button to give adb shell access. now, click on the imei/ nvram button.. Re-boot when done, after everything, you still can put back your previous imei you backed up on your sd card. to re-insert the imei, >> select - restore imei from sdcard(mtk) or sdcard2(mtk), depending on which one you used to back up your imei..
How to backup imei of any android device ! before installing any custom rom first we need to backup our efi partition where device sensitive data's like imei and others datas would be stored on. Backup nvram/imei data: 1. connect your phone to your pc via a usb cable. 2. open command prompt and issue the command adb devices. it will ask to allow usb debugging. allow that. 3. again, issue the command adb devices. you will see your device serial number in the connected devices list. 4. now, issue the command below to backup nvram data.. Here we have shown you guys how to backup nvram/imei of all mediatek devices..! ***** spaciality : easiest method, superfast ***** root needed ***** no pc required.