Samsung Galaxy Gio Performing Nandroid Backup

Overview

before you read and do this tutorial,"DISCLAIMER: I AM NOT RESPONSIBLE IF YOU BRICK / RUIN YOUR PHONE IN ANY WAY."

Samsung Galaxy Gio Performing Nandroid Backup
"Nandroid backup" maybe we often hear the term but we rarely use it or rarely see it, "nandroid backup" is one of the important features provided by the clockworkmod recovery (CWM). the Nandroid backup is nothing but the duplicate copy of your phone. Just in case you are clear with ideas such as cloning or creation of ghost image of the computer hard drive, then this is just a similar operation like that. It is not just having the complete back up of your entire email and contact list, but at the same time having an entire copy of everything.

Requirement

1. Rooted phone, if you don't know how to root your phone visit here
2. Android phone with cwm installed, if you don't know how to install cwm for android phone CWM5.7 or CWM5.6
3. Battery with > 70% charge
4. Ext2, Ext3, or Ext4 file system, if you still use stock rom with rfs file system you can back up it but when you restore, it will make your phone blootloop.

Making Backup

Making the nandroid backup is easy as flip your hand, so this is the step :

1. Reboot your phone to recovery mode, by press home button / middle button while you press power button.
2. Use volume up and down to navigate, and use home button / middle button to enter.
3. Select Backup and Restore
4. Select Backup
5. Wait until backup process done
6. You can find the backup result at your sd card, /sdcard/clockworkmod/backup/
7. Finish, you can move your backup to computer or just leave it there.

Restoring Backup

Restoring backup is just easy as backup process, but sometime this process can make your phone become boot loop (error can't booting perfectly), if this happen that because your still use default ROM or your filesystem is still rfs. Ok now we continued for the step :

1. Reboot your phone to recovery mode, by press home button / middle button while you press power button.
2. Use volume up and down to navigate, and use home button / middle button to enter.
3. Select Backup and Restore
4. Select Restore or Advanced Restore, if you don't wanna restore it all
5. Select Restoring File from the list. ie 2012-06-03.08.01
6. Wait until restore process done
7. Finish, If not error and you can boot to your home screen then, congratulations !! You has just successful restoring your phone.

Issues 

If you still in stock ROM or using rfs filesystem you will make your phone boot loop when do restoring process.