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.

Naturally, only time will tell if this move turns out to be a good one. But T-Mobile clearly has a vision for its future.

As T-Mobile announces CEO Mike Sievert's exit, select customers are spotting surprise free line offers in the T-Life app, but only for a limited time.

T-Mobile is offering select customers a “free” line promo, though it includes a $10 monthly connection charge. You must meet certain conditions, including having a 5-year-old account and no recent ...