Credit: Joe Maring / Android AuthorityT-Mobile is officially preparing to end support for legacy plans for many of its customers. While the full list of affected plans isn’t yet known, it’s expected to include anything from the Magenta era or before. Some customers might be preparing to suck it up and just deal with the change, which is expected to raise pricing to $3-6 per line on average as the carrier shifts users to newer plans.Not sure you want to do that? We don’t blame you. If you’ve had enough of T-Mobile and the other big postpaid carriers, below are five options that could make for solid substitutes.