Not Working Us Cellular 'link' | 228
Most new US Cellular phones activate automatically once they are turned on with a valid SIM card inserted.
If your phone simply says "No Service" or "SOS only": 228 not working us cellular
If you are trying to activate a phone or update your signal on and find that dialing *228 is not working, you are likely encountering a compatibility shift in modern mobile networks. While this code was once the standard for over-the-air programming, it has largely been phased out for newer devices. Most new US Cellular phones activate automatically once
| User goal | Modern alternative | |-----------|--------------------| | Activate new phone | Use , My Account app , or call customer service | | Update roaming / network settings | Check for carrier settings update (iOS: Settings > General > About; Android: Settings > System > System update) | | Fix “no service” after activation | Restart phone , re-insert SIM, or dial *#*#72786#*#* (Android reprogramming) / ##25327# (iOS) | | PRL update | No longer needed – LTE/5G uses SIM-based PLMN selection | My Account app