Imei Efs Backup: Your Ultimate Guide


IMEI EFS backup is an essential process for any Android device user. It is a backup of your phone’s unique identification number (IMEI) and the EFS partition, which contains the device’s critical data such as Wi-Fi passwords, Bluetooth addresses, and more. In this article, we will discuss everything you need to know about IMEI EFS backup and how to perform it.

Why Backup Your IMEI EFS?

Backing up your IMEI EFS is crucial because it contains vital data that can be lost during firmware updates or flashing custom ROMs. If you lose your device’s IMEI or EFS partition, you may not be able to connect to the internet, make phone calls or use any other function that requires network connectivity. Moreover, without a backup, it may be challenging to restore your device’s functionality.

The Process of IMEI EFS Backup

The process of IMEI EFS backup varies depending on the device’s make and model. However, the general steps are as follows:

Step 1: Root Your Device

IMEI EFS backup requires root access to the device. Therefore, you need to root your device before proceeding with the backup process. Rooting your device will give you access to the system files, which is necessary for backing up the EFS partition.

Step 2: Download a Backup Tool

You need to download and install a backup tool that supports IMEI EFS backup. There are several backup tools available in the market, such as Titanium Backup, Nandroid Backup, and others.

Step 3: Backup Your EFS Partition

Once you have installed the backup tool, navigate to the EFS partition and select the backup option. The backup process may take some time, depending on the size of the partition.

Step 4: Backup Your IMEI

After backing up the EFS partition, you need to backup your device’s IMEI. There are several ways to backup your IMEI, such as using a terminal emulator or an IMEI backup app.

Restoring the IMEI EFS Backup

If you ever lose your device’s IMEI or EFS partition, you can restore the backup using the backup tool. To restore the backup, follow these steps:

Step 1: Root Your Device

Root your device if it is not already rooted.

Step 2: Install the Backup Tool

Install the backup tool that you used to create the backup.

Step 3: Restore the EFS Partition

Navigate to the backup tool and select the option to restore the EFS partition. The restoration process may take some time, depending on the size of the partition.

Step 4: Restore the IMEI

Finally, restore the IMEI by using the terminal emulator or IMEI backup app that you used for backing up the IMEI.

Tips for IMEI EFS Backup

Here are some tips to ensure a smooth IMEI EFS backup process:

1. Always backup your IMEI EFS before flashing custom ROMs or firmware updates.

Flashing custom ROMs or firmware updates can erase your device’s data, including the EFS partition. Therefore, it is essential to backup your IMEI EFS before proceeding with any firmware or ROM update.

2. Keep multiple backups.

It is always a good idea to keep multiple backups of your IMEI EFS partition. This way, if one backup fails, you can restore your device’s functionality using another backup.

3. Keep your backup tool updated.

Make sure to keep your backup tool updated to ensure that it supports the latest Android versions and device models.

4. Store your backup in a safe place.

Store your backup in a safe place, such as an external hard drive or cloud storage, to ensure that you can access it if your device is lost, stolen, or damaged.


IMEI EFS backup is a crucial process for any Android user. It ensures that your device’s data is safe and can be restored if lost. In this article, we discussed the process of IMEI EFS backup, how to restore it, and some tips to ensure a smooth backup process. Follow these tips, and you can rest assured that your device’s data is safe and secure.