TL;DRThe price of T-Mobile’s international roaming voice minutes has increased from 25 to 50 cents per minute.10-day and 30-day prepaid International Passes are also increasing in price.A couple of weeks ago, we saw T-Mobile subscribers reporting getting warnings that international voice roaming would soon get way more expensive, with per-minute rates doubling effective June 25. That change is now in effect, and another related service is getting pricier, too.A post on the T-Mobile subreddit by user dwc1 reminds us that T-Mobile’s international voice roaming rate has gone from 25 to 50 cents per minute. We knew that was coming, but a comment on the post points out that the carrier’s prepaid International Passes have also gone up in price.