T-Mobile is going all out this holiday season with some of the best deals we’ve seen all year. Earlier this month, we told ...

A tablet computer that has built-in cellular capability. Like a smartphone, a plan with a cellular carrier must be in place, which provides the tablet with a telephone number even if voice calls ...

Cellular service is built into smartphones, which of course are cellphones, but cellular is also an option for tablets and laptops. To add cellular service to a Wi-Fi-only tablet, see cellular ...