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.