Select Menu > Settings > Sync & backup.

Select from the following:

Phone switch - Synchronize or copy selected data, such as your contacts, calendar entries, notes, or messages, between your device and another device.

Create backup - Back up selected data.

Restore backup - Restore data from a backup. To view the details of a backup file, select OptionsDetails.

Sync with server - Synchronize or copy selected data between your device and a PC or network server (network service).