How to Fix it When T-Mobile Mobile Network is Not Available If you're getting the 'Not Registered on Network' notification when you try to use your phone, there are some troubleshooting steps you ...

Having trouble connecting your Android phone to mobile networks? Seeing an “Error while searching for networks” message? Don’t worry – you’re not alone.

Have a Samsung phone? Seeing an annoying Not Registered on Network error and unsure what to do about it? Here's everything you need to know to fix it.