When an Android phone shows “Not Registered on Network,” it means the device is unable to communicate with the carrier’s ...

Open the dialer on your phone. Go to the upper-right corner, tap the overflow menu (the triple-dot icon), and select between ...

Android: Hold down the power button, or the power button and the volume down key (depending on your Android phone), until the on-screen menu shows up, and then tap Restart. If your phone doesn't offer ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Learning how to check your internet speed can come in handy if you ...

We’ll run you through everything you need to know in this quick guide. You’re on the wrong page if you’re an iOS user, but we also have a guide to checking mobile data usage on iPhone. Your data usage ...