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Backup And Restore OnePlus One Using EFS One-Click Tool

Backup And Restore OnePlus One Using EFS
Written by Hassan Abbas

Here is how to take Backup And Restore OnePlus One Using EFS One-Click Tool. Advanced Android users are always indulging 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. As these processes might sometimes end up bricking the devices. Being a OnePlus One owner, you’ll be happy to know that the EFS one-click tool can be used to take backup and restore using saved EFS partition backup.

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.

Required Files:

Backup and Restore OnePlus One using EFS One-Click Tool

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. A pop-up message appears on the phone. 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 “EFS-Backup-Restore” on the desktop of your PC.

5:- Double click on the BACKUP EFS.bat file to run it to back up the EFS partition on your PC automatically.

6:- When the backup process is finished successfully, two files appear:

  • modemst1.bin
  • modemst2.bin

Where you have the Backup EFS.bat file. Keep in mind that this folder should be saved in 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 the EFS-Backup-Restore folder, you’ll see the two files, modemst1.bin and modemst2.bin in that folder.

4:- The phone’s IMEI restored along with the EFS partition after running Restore EFS.bat file.


Let us know in the comments section below if you have any queries or problems regarding the above tutorial.

Also Read: Root OnePlus One On CyanogenMod 12S Based Android 5.0.2 Lollipop

About the author

Hassan Abbas

Tech enthusiast with too many items on his wish-list and not nearly enough money! Specializing in all things tech, with a slight Apple bent he has been writing for various blogs for the best part of (too many) years

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