How To

Backup and Restore OnePlus 6 Nandroid and EFS

July 11, 2018

OnePlus 6’s custom development is in a full swing at the moment. A handful of custom kernels, custom ROMs, MODs and tweaks have come out for this device. The OnePlus 6 community has warmly welcomed all the goodies. Users have started flashing new custom OS on their phones. As the OnePlus 6 are performing various experiements on the device, they are also reporting the issues popping up. Many OnePlus 6 users corrupted their data which demanded an immediate restoration of the Nandroid backup.

Some of the users reported Null IMEI after flashing a custom ROM. The Null IMEI determines a corrupt EFS partiition, which means the phone is no longer capable of making calls and sending text messages. To avoid such issues, the OnePlus 6 users are advised to backup the Nandroid and EFS partition.

Contents

Nandroid

Backing up Nandroid and EFS are the two most essential things for the Android users. Both these terms are popular among the custom ROM enthusiasts and everyone else who loves to modify an Android phone. Nandroid and EFS should not conern if you do not modify you do not modify your device by means of root access or a custom recovery. These are essential only for those who like flashing new custom ROMs, or install new MODs that can modify the system.

Nandroid backup includes a backup of your phone’s entire system. It is basically an image of your phone’s current operating system. Nandroid backup includes all the data, all the apps, all the settings and everything else that was a part of your phone. Creating a Nandroid backup can take a lot of time, but it is totally worth that time. The Nandroid backup minimizes the risk of losing data even when you have completely soft-bricked your device.

EFS – Encrypted File System

On the other hand, the EFS partition has an important role as well. The EFS partition stores all your mac addresses, the radio addresses and codes for the WiFi, Bluetooth, and GSM services. Corruption of EFS partition directly hits the IMEI. If you start seeing null or 0000 instead of the original IMEI, it means that the EFS partition is no longer safe. Backing up this partition can save your phone a life. If you happen to lose the EFS parititon, and you had created a backup previously, you are going to get the phone making capabilities of your OnePlus 6 without any pain.

Let’s get back to our post now. This post is about creating a OnePlus 6 Nandroid and EFS Backup. I will show you how to create a Nandroid and EFS Backup on the OnePlus 6 via TWRP recovery. Installing the TWRP custom recovery on the phone is quite easy. If you don’t already have the TWRP recovery, you can follow the tutorial given on our site to install one. Follow these simple steps to backup your OnePlus 6’s Nandroid and EFS partitions now.