NOTE: This video is using the XP3 as the model, however this same step-by-step approach works for the Sonim XP5s as well.

 

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.