T-Mobile has , most likely preparing a major overhaul of its main plans in anticipation of a predicted to finally wrap up early next year, but until then, the "Un-carrier" seems to have recently made . Previously, that only included two options, with for folks wanting even more flexibility and higher speeds without having to go the traditional postpaid route. The aptly named Simply Prepaid Unlimited Plus plan differs from the non-Plus Unlimited option in two ways, letting you enable and disable the Data Maximizer feature at will and, more importantly, including a monthly ...