If none of the above steps resolve the issue, it's likely that there's a problem with your network provider or SIM card. In this case, you may need to visit a nearby store or contact your network provider's technical support for further assistance.
A simple reboot re-registers your device on the network, which can clear temporary barring flags. incoming calls barred meaning
Blocks every attempt to reach your phone. Useful during important meetings or if you use a SIM exclusively for data. If none of the above steps resolve the