HTC Eris/How-To/Nandroid

Nandroid allows you to create a complete system image of your device and stores it to the SD Card on your phone. Making one is very simple but there are a few prerequisites.

1. A rooted Android phone

2. A custom recovery that supports Nandroid (ie: Amon_RA, ClockworkMod, Etc.)

3. A MicroSD card that has enough space for a system image.

A complete image can range from 75-400 MB.

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Making a Nandroid Backup

Step 1. Boot up to your recovery by holding the combination buttons, it varies from phone to phone but the most probable combination is Power + (any other button like Home, Volume, Camera, etc.)

Step 2. Go to Backup/Restore in the custom recovery menu.

Step 3. You will have some options like:

- Nand Backup --- Normal Nandroid Backup

- Nand + EXT Backup --- Nandroid Backup of System + EXT SD Card Partition

- Nand Restore --- Restore a Previous Nandroid Backup from SD Card

- BART Backup

- BART Restore

Step 4. Select Nand Backup or Nand + EXT Backup if you have partitioned your SD Card.

Step 5. Press the phone's trackball to confirm backup.

Step 6. Wait for backup to finish it may take > 5 minutes depending on the number of apps and data you have along with the speed of your SD card.

The backup is saved on your SD card in a folder called "Nandroid"

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Restoring a Nandroid Backup

Step 1. Boot up to Recovery with VolumeUp+Power.

Step 2. Select Wipe then Wipe Data/Factory Reset and Wipe Dalvik-Cache.

Step 3. Press the VolumeDown button on the side of your phone to go to the first menu.

Step 4. Select Backup/Restore

Step 5. Select Nand Restore

Step 6. Select your phones Device-ID should look like HTXXXXXXXXXX

Step 7. Select the backup you made earlier should look like BDS-<DATE>-<TIME>, you can also safely rename the backups using an app like Astro File manager, Root Explorer, or by using your computer with the SD card mounted.

Step 8. Press the phones trackball to confirm the restore of the backup

The restoring of the backup will take some time usually < 5 minutes, once complete reboot the phone.