Last week, some T-Mobile customers received a text update informing them of an upcoming change in account credits. These customers were told that they will be getting a “lump sum” credit but did not specify what this was.  The text message that some T-Mo customers received read: “We’re changing how we apply account credits for selected offers. On your next bill, you’ll receive one lump-sum credit for the remainder of your offer value instead of a recurring … [read full article]