T Mobile is sweetening its offer for those on its priciest Go5G Next plans, introducing on Wednesday a bevy of new features aimed largely at connected devices. Among the most notable: Adding a cellular connected watch, tablet or laptop will now cost just $5 per device, while the carrier says it will cover the difference between a Wi Fi only version of a device and a cellular model. Starting on Oct. 17, T Mobile says it will cover up to $200 of the difference between cellular and Wi Fi...
