- Custom recovery
To create nandroid backup follow these steps:
Step 1: Make sure at least 3-4 GB space is free in external sd card. The backup size can be 2 GB, 3 GB or even more depending on installed apps and data size.
Step 2: Reboot to recovery
Step 3: Go to backup and restore
Step 4: Select backup
Step 5: Wait for backup to complete. If shows error while backing up data then reboot phone and delete unsuccessful backup from clockworkmod folder and delete some more files to free space in sd card. Repeat from step 1.
Step 6: You’ll see Backup Complete! after successful backup. Now you can use this backup to restore system if you face any error in future like bootloop or soft brick. You can also use this nandroid backup to revert back from new ROM. The backup is stored in clockworkmod folder in external SD card.
Warning: Never try to edit nandroid backup files. Keep nandroid backup in SD card as it is.
Tips: Don’t forget to delete old nandroid backup after taking new backup. You can also keep two or more nandroid backups for safety.