Network issues aren’t something easy to spell out in a FAQ besides a general “check your signal strength, check to make sure your mobile data is on”.
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.