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Not registered on network – Samsung Galaxy (solution!)
If you’ve ever had the “Not registered on network” error on your Android phone, chances are there’s something wrong with your carrier settings. It’s also possible there’s an issue with your phone.
When the error message “Phone not registered on network” appears, your Android phone is unable to connect to your carrier. This disables calling, texting, and internet functions.
Fortunately, there are a few solutions to this problem that you can implement that may resolve the issue.