Earlier this month, we spotted an upcoming increase to the fees that some of T-Mobile's customers will pay starting January 21. Since we're now on that date, we thought we'd remind you that your bill is about to go up and you might be wondering why. In our...

The T-Mobile late fee is now $10, an increase we knew was coming but wanted to remind you of. The fee went live November 1 and is the likely amount you'll pay should you pay your bill late. The new fee was quietly confirmed last month, with a go-live date of...