The XP8 will backup automatically if you sign into Google setting up your device, or by adding the Account in Settings later. The XP5s and XP3 require an SD card and you can run the app Backup & Restore.

If you need any further assistance with this question, please contact the Sonim Customer Experience Center at 1-833-MY-SONIM (1-833-697-6646) or email us at [email protected]  We are open 24 hours a day, Monday-Friday and we will further assist in troubleshooting.