Backup and Restore OnePlus One using EFS One-Click Tool – How To

Advanced Android users are always indulge in installing custom ROMs, rooting their devices or using custom recoveries like TWRP/CWM. But the most important thing is creating a proper backup of all the important data and settings before going ahead to flashing Android phones with custom ROMs or rooting etc. As these processes might sometimes end up bricking the devices. Being an OnePlus One owner, you’ll be happy to know that EFS one-click tool can be used to take backup and restore using saved EFS partition backup.

Additionally, you’ll also be able to regain the lost IMEI data by restoring back the EFS partition on the OnePlus One device by following the given detailed guide.

Backup and Restore OnePlus One using EFS One-Click Tool

OnePlus One EFS One-Click ToolRequired Files:

Steps to Create Backup EFS Partition on OnePlus One:

1:- First, download and install the ADB Installer from the above link on the PC.

2:- Enable USB debugging on the OnePlus One by navigating to Settings > About phone and hit “Build Number” for a few times (7 times) to unlock developer options. Then go to Settings > Developer options > check the USB Debugging option to enable it.

3:- Plug your OnePlus One device to the computer. Once a pop-up message is displayed on the phone then make sure that the “Always allow from this computer” option is checked. Hit OK button.

4:- Extract the one click EFS backup tool ( file to get a folder named EFS-Backup-Restore on the desktop of your PC.

5:- While the device is connected to the PC, double click on the BACKUP EFS.bat file to run it to back up the EFS partition on your PC automatically.

6:- Once the backup process is finished successfully, two files: modemst1.bin and modemst2.bin will be appeared in the same folder where you have the Backup EFS.bat file. Keep in mind that this folder should be saved on a safe location.

Steps to Restore OnePlus One using EFS Backup Tool:

1:- Enable USB Debugging Mode on the OnePlus One.

2:- Now, connect your OnePlus One device to the computer using its USB data cable.

3:- Go to EFS-Backup-Restore folder, you’ll see the two files, modemst1.bin and modemst2.bin in that folder.

4:- Now, run the Restore EFS.bat file and the phone’s IMEI will be restored along with EFS partition.



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