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Make Back & Restore EFS Data of Galaxy S3 Easily (Any Variant) [How-To]


Customization is what, the Android is well-known for, there’s Android life without the customization, that’s the reason there are a lot of hacks are available for Android devices but sometime hacks irritate you and you gets stuck in many problems like some Samsung users face EFS data issue on their mobiles. Some Samsung users reported that when they install any custom ROM, kernel or apply any other modification, it erase the EFS data, for unfamiliar, the EFS data stores your device IMEI number and lets you to connect to the network, if any hack erase the EFS data, it will also disable the network connection. So it’s very important to make the backup of your EFS data to get rid of this problem if you love modification on your Samsung device.

Those of you own a Samsung Galaxy S3 can now easily make and restore the backup of their EFS data, thanks to senior XDA developer member “as i9000” for this great effort. The developer has made a easy to use tool that allow you to make the backup of EFS data and restore in just one click, the tool works with Samsung Galaxy S3 variants.

The below guide will walk you through how to use the tool to make the backup and restore. Do keep in mind that the tool works on just rooted Galaxy S3, you can follow our this guide to root international Galaxy S3 variant, follow our this guide to root AT&T Galaxy S3, follow our this guide to root Sprint Galaxy S3, follow our this guide to root T-Mobile Galaxy S3 and for Verizon Galaxy S3 follow our this guide  or this guide. You can also all-in-toolkit to root your US Galaxy S3. USB drivers also must be installed on your computer, you can use Samsung KIES to install drivers.

DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or gets damaged following this guide.

Instructions

Step #1: Download the EFS Tool to your PC.

Step #2: Unzip the downloaded .zip file into a folder.

Step #3: On your Galaxy S3, turn the USB Debugging on, to do so just tap Menu> Settings> Application> Development.

Step #4: Plug your Galaxy S3 to your compuer using the USB cable.

Step #5: Open the folder where you’ve unzipped the tool .zip file.

Step #6: Run the Backup_EFS file.

Step #7: Follow on screen instructions, it will save it to your computer, you should save it on the same folder.

Step #8: To restore the backup you taken, simply run the Restore_EFS file and follow onscreen instructions.

That’s it, you’re done, enjoy!

Via: XDA

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