- Check bars of service on the device. Phone must have data signal (4G, 4G LTE, 5G, etc.). If phone shows two bars of service or less, it may be a coverage issue.
- Power cycle device and re-test (turn completely OFF, and then power back on)
- Reset the network settings on the device
- iPhone: Settings -> General -> Transfer or Reset iPhone -> Reset -> Reset Network Settings
- Android: Settings -> General Management -> Reset -> Reset Network Settings
- Check software version and ensure phone software is up to date. Power cycle device and re-test once complete
- Power cycle device outside and test service. Interference indoors may be affecting service
- If the issue is with incoming texts, send test text to the phone having issues to see if it is received. For outgoing messages, send a test text to a different phone number
- If sending the test message goes through, there is an issue with the sender of the original SMS message
- If sending the test message to a different number goes through, the issue lies with the original intended recipient
