TL;DRT-Mobile subscribers can roam internationally while paying $0.25 a minute for voice calls.Some subscribers now report receiving notices that rates are going up to $0.50 a minute.The new pricing is supposed to go into effect on June 25.When you’re travelling internationally, and want to make sure your phone will keep you connected, you basically have two options: temporarily get yourself an international SIM (or eSIM), or rely upon your existing carrier’s international roaming support. While that latter option might involve making the least effort, it can also prove surprisingly expensive — and it’s only getting more so for T-Mobile users.Don’t want to miss the best from Android Authority?