United States, Aug. 12 -- T-Mobile introduced the all-new T-Mobile Revvl 8 smartphone - the latest addition in its Revvl lineup, which also includes the Revvl Tab 2 - now available at T-Mobile and Metro by T-Mobile. With performance and features on par with pricier smartphones on top of benefit-packed plans on America's Best Mobile Network, Revvl 8 is a standout value. The new Revvl 8 will be available in stores and online Thu., Aug. 14 exclusively at T-Mobile and Metro by T-Mobile.The Revvl 8 includes an upgraded Qualcomm processor and built-in Gemini AI for improved performance, a larger battery with super-fast charging and an enhanced 50MP main camera now with OIS - providing sharper photos, smoother videos and better low-light photograp...