T-Mobile is offering a free line to some users. Here's how you can check your eligibility, plus some more tips and tricks ...

T-Mobile’s free line promo is back, but eligibility rules, fees, and restrictions mean it isn’t truly “free” for everyone.

You've seen that little line on your smartphone, but why is it there? We'll explain how to use it—and how to get rid of it on ...

The green line issue on phones is a hardware problem that cannot be fixed by software. The display of the affected phone needs to be replaced, and depending on the phone model, such repair can ...