🧾 Description
Many mobile PDA devices that rely on 3G cellular networks have lost phone and data connectivity due to the shutdown of 3G services by major U.S. carriers. This affects devices using older SIM cards or radios that do not support 4G or higher.
3G Network Shutdown Timeline (U.S.)
CarrierShutdown DateAT&TFebruary 22, 2022Sprint (T-Mobile)March 31, 2022T-MobileJuly 1, 2022VerizonDecember 31, 2022
Impact
Devices using 3G-only SIM cards or radios will no longer be able to:
- Make phone calls
- Send/receive SMS
- Access mobile data
🛠️ Resolution Steps
Resolution
1. Upgrade SIM Card
- Replace the existing SIM card with a 4G or higher SIM from your carrier.
2. Verify Device Compatibility
- Ensure your Datalogic device supports 4G LTE or newer cellular standards.
- If the device is 3G-only, consider upgrading to a newer model.
3. Contact Carrier Support
- Confirm that your device is provisioned correctly for 4G service.
- Request assistance with SIM activation and network settings.
Additional Notes
- Some enterprise devices may require firmware updates or APN reconfiguration after SIM replacement.
- If using cellular data for MDM or remote access, test connectivity after SIM upgrade.