9 May 2015

How to backup and restore efs partitions on any Samsung device

Till now making a backup of efs partiton varied from device to device and not all the samsung smartphones have the support from the developers.But now its made simple an is available to all android devices with root access.There are lot of partitions in the android devices but ,ost of us are familiar with  system,data,cache partitions only.These partitins are usually wiped everytime when we go for a new custom rom but some custom roms need modems to be flashed over to get network signal.The problem of flashing modem on a custom rom is that there is a chance of loosing imei of the device and is very hard to retrieve it back.The partition which stores the imei and other important values of the device of called "Efs partition".So backing up of efs partition is more important than making a nandroid backup.Its easy to get back a soft bricked your samsung device to a normal working state but if we loose imei its too hard to get it back and at this point flashed the stock firmware too will not help in getting back the signal.
If you don't know how to backup your efs partition on your samsung smart phone don't worry we have it for you.In this post we will guide you how to backup and restore efs partition on  samsung device.

Backup  Efs partition of Samsung devices:

 backup/restore efs partitions on Samsung devices
  1. You device must have root access before trying this out.
  2. Open playstore on you samsung device and search for Partitions Backup app.
  3. Install the app and you will all the partitions of the samsung device.
  4. Click on setting button right on the head bar of the app as shown below.
  5. Chooses where you want to store the partition either internal sdcard or external sdcard and tick on highlight all imei/Efs related partitions.These partitions will highlighted with yellow background.
    backup efs using app on samsung devices
  6. Choose the type of backup format as "tar archive".
  7. Select the desired partitions that is all the efs and modem partitions and go back.
  8. Now select the highlight partitions and click on backup(Download symbol as showin the below pic)
  9. The backup process initiates and may take some time.Don't interrupt the process in any way.The back up partition will be in a folder names "partition backups".The backups will be in the tar extensions.
    backup restore efs partitions on Samsung
  10. Once the process is done move then move the  backed up files to computer or upload them to drive or cloud storage.
  11. Now again open the app and change the type of backup to .img format and then  backup the efs partitions again.
  12. This time we will get .img files instead of tar files.
  13. Copy the files to computer or any other storage devices.

Restore Efs/Imei Partitions:

There are two ways to restore the partition files.One with restoring them using odin  and the other way is to restore using buitin option.But I suggest you to go for the odin instead of the app.
Method 1:Restore EFS using odin
  1. Download odin on your computer and install it.
  2. Assuming that you have already copied your efs backups before.
  3. Open the odin on your computer and Connect your samsung device through usb cable.
  4. You will get a blue tab with message added.
    restore efs backup using odin
  5. Select pda and choose a single tar file.
    restore efs  and modem backup using odin
  6. Click on start and wait till the flashing is completed.
  7. Once flashed you will notice a green tab with message pass.
    restore efs backup complete
  8. Flash the all other efs and modem files too in the same way.

Method 2: Restore Efs using the app

  1. This method requires the backup files to be in .img format.
  2. Open the app and go to setting.
  3. You will have 3 options and choose restore  and you will get a warning message.Ignore it.
    restore efs partition using app
  4. If you open the document manager.
  5. Choose the file manager and navigate to the folder named partitions backup and you will find the img files.
  6. select any image file and you will be asked to restore to type of patition which you have made a backup and there come the difficulty in using this app.
    restore efs partition using app
  7. If you have 3 efs partition backups you will get three img files and each img file has to be restored to the exact partition from which you made a backup.
  8. If you select a different partition then it could result to a disaster.You may hard brick the device for sure.
  9. If you know the exact partitions of the backups then you are good to go.
  10. Once all the partitions are restored reboot the device.
Final words on backup and restoring EFS partitions:

This is simple tutorial explaining you how to backup or restore efs partitons on your samsung device using an app and this is the simple way to do so.Besides this app also offers backup of all other partitions too so if you to have a backup of your boot(kernel) or system partitions you can do it easily with just few clicks.If you are unable to follow this guide or could not put it to work you can approach us by a single comment and we will help you to solve your problem.

How to backup and restore efs partitions on any Samsung device Reviewed by Radha Krishna on 17:32 Rating: 5 Till now making a backup of efs partiton varied from device to device and not all the samsung smar...

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