Backup your favorites list.

1. In the "Favorites" screen, tap the action button on the top right corner of the screen and choose "Share/Backup Favorites".
2. All titles in your favorites list will be selected by default. You can remove titles you don't want to backup by tapping to unselect them.
3. Tap the send button on the top right corner of the screen.
4. The app will open the email editor with attached backup file, you can enter your email to send the backup file into your mailbox as backup.

Note: To restore your favorites list from the backup file, open the email on the Mail app and open the backup file with Manga Storm.

Backup everything (including downloaded content)

1. Connect your device to a computer running iTunes.
2. On iTunes, select your device.
3. In the "File Sharing" section, select "Manga Storm" in the "Apps" panel.
4. In the "Manga Storm Documents" panel, select all directories and tap the "Save" button at the bottom of the panel.
5. Choose the location you want to save data into and tap the "Save" button.
6. Wait for saving to finish.

Note: To restore from the backup, follow above steps from 1-3, then drag all saved directories and drop back into the "Manga Storm Documents" panel.