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 ...

To avoid packing yet another device, cellular service can be added to laptops by plugging in a USB dongle (see cellular modem). On tablets, Wi-Fi is standard equipment, but tablets can also be ...

Check out the details using the button below. T-Mobile has a ton of great phones on offer, but there are some tablet deals, too. Like the phone deals, some tablets are far cheaper if you activate ...