Backup/Restore EFS data using kTool app – Guide

In this guide check out how to backup EFS data / EFS folder / EFS partition without using PC using kTool from Play Store.

As we know EFS is Encrypted File System which stores important information regarding your device’s connectivity and corruption of this data can leave your device with no connectivity. If you want to know more about EFS data then go here and get some information about EFS data. Before proceeding to backup your data make sure your device is rooted, if not rooted then search google or our site to root your device.

Disclaimer: We should not be held liable or responsible for any damage occurred to your device. Proceed at your own Risk!!!

Steps to use kTool to Backup EFS Data:

  • Download the kTool from Play Store, its free so you can download it easily.
  • After you are done with the installation Open the kTool app.
  • Now will see a list of buttons showing various options, from them select “Backup EFS to /sdcard/efs.img” and backup your EFS data as efs.img.
  • After the backup is done you will be notified, whether you want to verify the backup or not, just tap on yes and allow it to verify.
  • That’s it now you have done backing up your EFS data. You can look for the efs.img file in /sdcard/ directory.

Steps to use kTool to Restore EFS Data:

  • Open the installed kTool app on your device.
  • From the list of options select “Restore EFS from backup (DANGEROUS)” option.
  • Now you will see a warning message, whether you want to overwrite your current EFS, just click on Restore IMG.
  • Now select the efs.img backup file, which you backed up earlier and perform the operation.
  • That’s it now you have successfully restored your EFS data, which will fix your corrupted EFS data.

That’s it now you have successfully learnt how to backup and restore EFS data using a simple tool from Play Store called kTool. Do let us know in the comment section if you face any issues while backing up your EFS data.