T-Mobile-owned Ultra Mobile is upgrading its old plans with more data and a few other improvements worth checking out.

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T-Mobile has figured out a remarkably confusing way of expanding its brand-new unlimited data plan.Because the new T-Mobile One plan doesn’t actually offer unlimited data when it comes to video ...

T-Mobile CEO, John Legere, announced Tuesday their new data rollover plan called Data Stash that will let customer’s keep any unused monthly data. This feature is among the mobile carrier’s ...

Tablets can also be added to T-Mobile One plans for $20 per device. Now, for the bad news: Unlimited really does mean unlimited, but don’t expect truly unlimited 4G LTE data at maximum speed.

T-Mobile has announced a holiday promotion on data plans, which will see a new $15 "Web – 200MB" option and a $30 "Web – Unlimited" plan on offer to subscribers, along with a new tethering option.

T-Mobile is giving everyone — everyone — on a qualifying plan 10GB in their data Stash. All new customers as well as existing customers on qualifying plans are eligible, and the data will be ...

T-Mobile is making a comeback with three new prepaid plans designed to win back customers after recent price hikes.

Today’s unlimited plans from Verizon, AT&T, T-Mobile, and Sprint come with plenty of gotchas and annoying restrictions. Here’s what you get from each and how to pick the best one for you.

The best unlimited data plans depend on your location, budget, and needs apart from data. See our top options from Verizon, T-Mobile, AT&T, and MVNOs.

On T-Mobile, every line in a family plan that has a monthly allotment of at least 3GB of data will be eligible for Data Stash. The carrier will also give each eligible line in a family plan that ...

Editors' note: This article was originally published on Feb. 13, 2017.Since that time, AT&T, Sprint, T-Mobile and Verizon all announced multiple changes to their unlimited data plans. The ...