webneedy created the topic: How do I fix my phone when it says not registered on network?
Do you want to know the cause of your phone's network connection error message? It might be extremely frustrating for some people when such an error prevents you from making or receiving calls. These are a few typical reasons why this phone not registered on network
This error message may show if the new update for your Android phone is not supported by it.
This warning may also appear if a new SIM card is unable to connect to the carrier network.
Such an error may also be caused by problems with the IMEI number.
if your SIM card was disconnected and damaged.
If your Android device doesn't already have a carrier network selected.
The OS or firmware on your phone may not be the most recent version, which could also result in this error.