34 reviews
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About this app

Requirement Rooted Samsung Galaxy Note4 SM-N910U/F/K/C/L/P/T/G/H/0/W8/N915G (edge) support for other variant of Note4 will be added soon.

It is small utility to backup/Restore EFS for Smamsung galaxy NOTE 4

This tool simply Backup/Restore efs.img, partitions.

-You must have device ROOTED.
-Enable USB debugging
-To make backup - select your model variant (Exynos/Snapdragon)
From next screen you have to long press backup option icon, Backup files will be stored to MyEFS folder as well MyEFSbackup/myEFS_mm_dd-yyyy-hr-mm_Device IMEI folder on Int SD card. This will make backup of required partition Also you will found build.prop file in backup folder, which is just to get information about your ROMwhile backup was created. Also last backup will be saved in MyEFS folder on IntSD card
In case you select wrong model from menu backup won'tcreate and you will get notification about this. from same screen you will have option to mail to developer for issue.

-Auto backup - This is experimental feature. You can enable/Disable it from Backup/Restore menu page (according exynos/Snapdragon). Selecting this option will make auto backup on Every Tuesday between 5.00am to 5.30am according your device model.

-To restore, This will use last backup stored in IntSD/MyEFS folder. Make sure this folder contains required files. In case you needs to restore earlier backup, you have to manually keep older backup files to IntSD/MyEFS folder.

Note : This application is not for just playing around, DON'T restore just to check/test application, Restore option must be used only when you really needs it.
If you don't know what is EFS and why you needs to restore, Don't use it. Read XDA thread for further info.

We can't guarantee this will surely works on every case, you can use at your own risk. Also note that you can restore only backup which you have made on same device only.
Updated on
Feb 14, 2016

Data safety

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34 reviews
A Google user
October 20, 2016
Highly respected sir , I enjoy your work and happy to support it by purchasing a super awesome trusty tool. Many thanks
7 people found this review helpful
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A Google user
June 13, 2016
I have a note 4's rooted....I flashed the electron team v0.6 rom which wasn't showing my imei number and hence had no connectivity.....I made an efs back up with the previous rom and then reflashed the v0.6 rom and restored the efs but still no imei and no network connection......I'd like a refund please
8 people found this review helpful
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A Google user
January 20, 2015
I backed up my imei, after root my imei is unknown, so i did the restore and still my imei is unknown
5 people found this review helpful
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Dr.Ketan Hindocha
January 21, 2015
You saying you lose IMEI after root then how did you backup?? Backup also requires root.

What's new

Update 2.4
- Fix for Systemless root.
- Fix for failing backup on ported ROM (fake devieID). Users have to select correct version to make backup.
Update 2.3
Added support N910S