There's no better way to make a good impression than with a memorable Super Bowl ad, and the two carriers figure to make headway against bigger spenders Verizon Wireless and AT&T.
Technically Incorrect: Debuting her ad on last night's "Conan," the "famous person" decides to show her funny side. Did she succeed?
Technically Incorrect: The permanently famous icon of iconness announces on Twitter that she will be shilling for the Uncarrier. She also claims to miss T-Mobile CEO John Legere.
The wireless carrier adds to its many promotions with a $5-a-month program called "Score," designed to unlock lower smartphone prices.
The carrier will also offer up to $350 per line to T-Mo subscribers to cover costs related to switching networks.
The carrier's "Smartphone Equality" initiative is meant to reward customers who pay their bills on time with deals ordinarily available only to those with solid credit.
The move could be the next step in Google's ever-widening ambitions to conquer the mobile world.
The prepaid carrier gives customers unlimited access to high-speed data, but with a few caveats.
Though it still lags in overall number of subscribers, the carrier beat rivals last quarter in terms of gaining new customers and keeping old ones, according to a research firm.
Both carriers have similar programs that allow customers to carry unused data from one month to the next, but it's not as simple as it sounds. This is how these rollover data plans really work.