Samsung Galaxy users must have heard of the EFS backup while updating or flashing a new firmware or flashing a custom ROM. EFS, Encrypting File System is basically a partition where the device’s radio information / data is stored. Backing up this partition is important before you make any changes to your Galaxy device’s system because of it’s highly sensitive nature that may result in turning off your device’s radio and having no connectivity at all.
What causes this radio issue to happen is, flashing an invalid or inappropriate firmware damages the current EFS partition and results in changing the IMEI of the device to null. EFS issue is most likely to happen specially when you downgrade your Samsung Galaxy device. Having backed up EFS data is the only thing that can save your device a life in this case. There is a number of methods available over the web to backup EFS on different devices, but most of these methods vary through different devices. Earlier we posted some methods, but a much easier method was still required.
While going through the XDA-developers forum, I came across Samsung Tool App, developed by XDA Recognized Contributor ricky310711. Samsung Tool is a lite and easy to use app, that can backup and restore EFS data on any Samsung Galaxy Device. You don’t need to worry about your device’s model number or firmware in order to use this application. All you need is, your device must be rooted and have busy box installed and it will work perfectly great. Along with the EFS Backup & Restore options, the developer has also added the reboot options in the application that is just a bonus here. Samsung Tool app can be installed as a normal APK. Let’s have a look on how you can use this application to backup & restore the EFS partition. Let’s move forward and learn about the tool now.
How to Backup & Restore EFS using Samsung Tool:
- Your device must be rooted.
- Your device must have Busybox installed. If your device is rooted, you can install it from the play store as well.
- Download Samsung Tool APK. Download it directly to your phone or copy it to your phone from your PC.
- Locate the APK file on your phone and install it. Select Package Installer if prompted, allow unknown sources if required.
- Once installed, access the application from the app drawer.
- You will find all the options in the Samsung Tool, select whether you want to Backup, Restore EFS or Reboot your device.
- That’s all with the use.
As mentioned, Samsung Tool App works with all the Samsung Galaxy Devices(those as well which are not listed below), the confirmed devices are:
Backing up EFS is the very first thing you should do once you root your Android powered Samsung Galaxy device. What are you waiting for now? Back it up and let us know how this application worked for you.
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