Experiencing a “[Not Registered on Network](https://techcrazee.com/not-registered-on-network/)” error on your Android device can be quite frustrating as it hinders your connection to the carrier. This error essentially means that your phone is unable to establish a connection with your carrier, impeding your ability to make calls, send texts, or use mobile data. Fortunately, there are multiple troubleshooting steps you can take to resolve this issue.