228 Not Working Us Cellular ((link)) 🆕 Easy

If you are trying to update your roaming capabilities:

: As UScellular and T-Mobile integrate their networks, activation processes have moved to automated digital systems rather than star-codes. Recommended Solutions 228 not working us cellular

: Modern smartphones (4G LTE and 5G) use SIM cards or eSIMs to automatically update network settings and do not require manual programming via *228. If you are trying to update your roaming

| 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 | | US Cellular has moved from CDMA to LTE/5G

The *228 code was historically used on CDMA networks (e.g., old Verizon, US Cellular) to:

| Aspect | Detail | |--------|--------| | | ❌ No – for most modern phones (4G/5G LTE/VoLTE devices) | | Why? | US Cellular has moved from CDMA to LTE/5G. *228 can corrupt SIM-based LTE provisioning. | | Legacy devices | ⚠️ May still work on older 3G/CDMA-only phones (being phased out). |

*228 OTA Programming (Deprecated) Status: Legacy – not supported for 4G/5G devices on US Cellular Error resolution: Do not use *228 on modern US Cellular phones. Use SIM-based activation and carrier settings updates instead. Exception: Only possible on pre-2017 3G basic phones still active on CDMA.