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Efs

Discussion in 'Android Devices' started by dmcjr22, Dec 27, 2013.

  1. dmcjr22

    dmcjr22 Android Expert
    Thread Starter

    hey guys got a question about efs. no i rooted my phone before i found out about efs/imei. so my question is can i do it post root and im going to flash service to it very shortlly here should i wait until after flashing service?
     


  2. tensazan

    tensazan Android Enthusiast

    Have you flagged any custom roms already? I think I read somewhere that if you have a nand backup of your stock rom, you can reflash that and get your imei back, but I can't remember where I saw that. If you haven't flashed ant custom roms, but have a rooted stock rom, and custom bootloader you can run nvbackup from a terminal emulator to back it up, and nvrestore to restore the imei. As for efs, I don't know if that's included in the backup, nor do I know what it is...

    Sorry if this isn't the answer you were looking for, I'm not quite sure how everything works on the s3 as I have yet to root and read all about it
     
  3. nigsy

    nigsy Android Enthusiast

    Nandroid does not backup the EFS folder and contents. You need to use a tool like HCk-Tool (On playstore). This will create a backup - Which I always save to my PC along with any recent Nandroids.

    You can restore the EFS folder either rooted or not; but HCk-tool only does it whilst rooted. To do it stock you need to use file explorer and delete the corrupt EFS folder and replace with the working one off your PC.
     
    wyelkins and funkylogik like this.
  4. dmcjr22

    dmcjr22 Android Expert
    Thread Starter

    thanks guys i had read up about it just wanted feedback from those who done it and stuff i just flashed stock via odin used a tool from xda slips my mind which one but got it saved
     

Samsung Galaxy S3 Forum

The Samsung Galaxy S3 release date was May 2012. Features and Specs include a 4.8" inch screen, 8MP camera, 1GB RAM, Exynos 4412 Quad processor, and 2100mAh battery.

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