How to make a Nandroid Backup

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What is a Nandroid Backup?

A Nandroid Backup is a full backup of the partitions on your device’s hard drive.
The Nandroid backup is a snapshot of your device (it means everything on your phone – your apps, data, your current ROM and even the kernel is backed up) at the time you do the back up. If you restore the backup, it changes your phone BACK to that original state. You will need clockworkmod (CWM). So make sure prior to this you have the CWM recovery installed on your device.

Your SD Card data is not backed up in the process. Although the Nandroid backup itself is created on your SD card. Make sure you have enough space on your SD card to make a FULL copy of your smartphone or tablet. It is highly recommended that once you have done a backup, you manually copy it to your computer in case your sd card is wiped or corrupted..

What do you need:
1. A Rooted Device:
You need a rooted android device.

2. A Custom Recovery
While the OS is running you cannot do a backup. The boot loader in the recovery enables you to take a backup of the OS while it’s not running.

ClockworkMod (CWM) recovery is the example used in this tutorial.


How to Make a Nandroid Backup via ClockWorkMod?


Backup and Restore via CWM:
1.Boot into Recovery.

2. Select ‘Backup and Restore’ from the recovery screen.

Once you are in recovery, scroll down to the option ‘Backup and Recovery’ and select it. You can scroll up/down through the menu using the volume buttons and select options using the power button.

3. Start the backup.

Once you are on the Nandroid screen, choose ‘Backup’ to start the backup process. You have the option to restore backup on the same screen.

The backup process may take a while. It depends on how many files do you actually have on your Android Device.

4. DONE!
Simple, isn't it?


How to restore a Nandroid Backup via CWM?

1. Boot your device into CWM and reach the Nandroid screen.

2. Select ‘Restore’ and begin the process.

If you select ‘Advanced Restore’option, you can select which part of the backup to restore – i. e. the boot,system, data or cache. Or choose the whole backup.

3. Reboot your device. Your system is now restored and is exactly the same as the time when the backup was taken.
 

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