T-Mobile GSM Shutdown

T-Mobile is shutting down its 2G GSM network by August 3rd, 2026.

Since February 9th, 2025, T-Mobile has begun its official gradual shutdown of its 2G GSM network. Since this date, several locations have lost coverage, and the shutdown continues to affect more areas.

What is GSM?

The T-Mobile GSM network is the last remaining nationwide 2G network in the United States, and it also happens to be the final remaining legacy network as well, meaning that many non-VoLTE enabled phones will lose service for good. GSM is a networking standard that dates back to the 1990s, and has become a nearly universal standard in cellular networking, being compatible with nearly all phones.

Where is this happening?

The August 3rd 2G GSM shutdown will affect all T-Mobile customers in the United States, including United States territories.

Since February 2025, several locations have lost GSM coverage (map linked below), and the shutdown has only accelerated over time. The final date may be set, but locations will continue to lose service before August 3rd. Keep an eye out for coverage loss!

Why shut it down?

T-Mobile has been planning to phase out its 2G GSM service for years, with the first shutdown plans being made for 2024. The shutdown has been delayed numerous times, but we are finally reaching the ultimate final date, as shutdown efforts have already begun.

The reason for the shutdown comes down to two main factors; cost, and spectrum. Maintaining the GSM network, despite sharing equipment with modern networks, does cost money in both energy use and backend maintenance. As-is, GSM is on life support, being limited to LTE guard bands, with only 6 available channels in most areas. This reduction of spectrum is what allowed GSM to survive this long in the USA, however it does not solve the problem of maintenance cost, which is the primary reason for the sunset of GSM. To put it simply, 2G is not profitable in 2026.