Backing up EFS is the first thing Android experts recommend after rooting your Samsung Galaxy device running on Android firmware. In this guide we are going to show you how to backup and restore EFS on Samsung Galaxy devices with Samsung Tool App. So let’s get started.
Users of Samsung Galaxy device must be familiar with EFS backup. It’s important that you know what EFS is and how to backup and restore EFS while updating your device, or flashing a new custom ROM and firmware. Encrypting File System (EFS) is a system partition where your device’s information regarding radio & data is saved. You must backup EFS partition to save device radio and data information before making any sort of major change in the system of your device. Samsung Galaxy device radio is the very thing that enable communication on the device. Without it working properly you can forget about making or receiving calls on your Galaxy device. That’s why backing up EFS partition is important before you can even comtemplate installing a new custom firmware or ROM as it may causes issues during or after installation. You can also backup EFS to restore it after rooting your device, if device’s radio stops working.
There are many reasons behind device’s radio failing to work as it should: it can be due to installing an incompatible firmware which bugs currently installed EFS partition on your device and resulting in device’s IMEI becoming null and void. Perhaps the main thing that can damage EFS partition is downgrading to older firmware version on your Galaxy device. In all such cases, if you have saved EFS partition backup it can help you to restore the working version of the partition. You will find many ways to backup and restore EFS partition but most of them are difficult for simple users to follow. That’s why after searching extensively online, we have managed to find the best and easy way to backup and restore EFS on Samsung Galaxy Devices with the Samsung Tool App which is available for free download via APK given in the tutorial below.
The Samsung Tool App was first uploaded on the XDA forum by ricky310711 so we would like to thank Ricky for coming up with a solution that has made backing up and restoring EFS on Samsung Galaxy device as easy as it gets for everyone. Even non-experts can follow the step-by-step guide below to backup EFS and restore it on any Samsung Galaxy device. Samsung Tool app is available in APK file format which can be used to backup and restore EFS on Samsung Galaxy devices. This works with all Galaxy devices so there is no need to worrying about device compatibility or having to find out device’s model or serial number first.
For Samsung Tool app to work your device, you must first root your Samsung Galaxy device. Moreover, your device should have busy box installed on it. Android developer has also offered a new reboot option coupled with EFS backup & restore feature. You can install Samsung Tool app like any other Android APK file. Now let’s see how to use Samsung Tool App to Backup and Restore EFS partition on Samsung Galaxy devices.
How To Backup & Restore EFS Partition Using Samsung Tool
1 – Your device must be rooted. See how to quickly root Android device without PC.
2 – Make sure Busybox installed on your device.
3 – Download Samsung Tool APK file. Download directly onto your mobile device or copy from computer via USB cable.
4 – Make sure Unknown Sources option is enabled in Settings > Security on your mobile device.
5 – Locate the downloaded APK file on your device and tap to install it.
6 – Once installed, you can access the application from the app drawer of your device.
7 – In the Samsung Tool app there are different options to backup, restore EDS as well as rebooting device.
8 – That’s all.
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