HTC One M8 - Manual (Page 133)

5. To help protect your data, tap Yes, and then set a password for this backup. Be
sure to remember this password. You'll need to enter it again when importing
contacts.
If you don't need a password, tap No.
6. Tap OK.
Restoring contacts
1. On the People tab, tap > Manage contacts.
2. Tap Import/Export contacts > Import from phone storage or Import from SD
card.
3. If you have more than one account set up, tap the type for the imported
contacts.
4. If you have multiple backups available, select the backup you want to import,
and then tap OK.
5. Enter the password you've set for this backup, and then tap OK.
Backing up your text messages
Keep important text messages by backing them up to the phone storage. You can
easily restore backed up text messages after you've deleted them from your message
list.
Text messages in the secure box and blocked messages will not be backed up. To
include such messages to your backup, move them first to the general message
box.
1. Open the Messages app.
2. Tap > Back up/Restore SMS > Back up > Back up SMS.
3. To help protect your data, set a password for your backup. Be sure to
remember this password. You'll need to enter it again when restoring messages.
If you don't need a password, select Do not password protect this backup.
4. Enter a name for your backup file, and then tap OK.
Backing up text messages by email
You need to set up your email account in the Mail app.
1. On the Messages screen, tap > Back up/Restore SMS.
2. Tap Back up > Back up SMS via mail.
3. To help protect your data, set a password for your backup. Be sure to
remember this password. You'll need to enter it again when restoring messages.
If you don't need a password, select Do not password protect this backup.
133 Sync, backup, and reset