Tar zcvf /sdcard/ /efs (OR)īusybox tar zcvf /sdcard/ /efsĤ. When you are done with the files, you need to off it so that you can get files. For using ADB, Go to Applications –> Development and Enable USB Debugging. In Terminal Emulator, you have to reset the app after giving the required permissions because normally it freezes.ģ. Please focus on the Samsung Galaxy S phone screen as it will ask you for SU permissions.
You need to have Terminal Emulator (that can be downloaded from Market) or ADB.Ģ. Backup efs folder on SGS – Instructionsġ. But if you have flashed another ROM and its working fine then there’s no harm in backing that efs folder. The developer recommends that you should follow the below mentioned procedure with new smartphone having the Official ROM installed. The foremost condition of this to work is that your phone must be rooted. The developer has tested this on his Samsung Galaxy S I9000 Sometimes, the users corrupt their secret data stored at this location when they unlock their phone or while changing the product codes.Īnd if you have a backup of this folder, it would be very easy for you to replace the files and folder with the corrupted one, if by chance it corrupts.Ĭandanga from xda has posted his method to do the same and we are presenting those steps here. This info is secret to you and your precious device.
As we all know that /efs folder keeps the sensitive and secret information of your phone such as IMEI Number and product code (which are stored in the encrypted form in nv_data.bin), Wireless devices MAC addresses and many more information.
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