Text messaging not working on cellular network --tmoble works when I have WiFi though. Any suggestions?

Text messaging not working on cellular network --tmoble works when I have WiFi though. Any suggestions?

See Troubleshooting Texting Issues . The following excerpt from that seems to be a common problem:

Make sure mobile data and data roaming are enabled.
If you have mobile data or data roaming disabled, you may experience issues with texting. See Check Network Settings or Check Network Settings (KitKat) for instructions on making sure mobile data and roaming data are enabled.

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