Changes to the T-Mobile network
We're also building our most advanced network ever as quickly as we can. Third-party benchmarking firms say that T-Mobile now has the largest, fastest, and most reliable 5G network. T-4G Mobile's LTE network also works for 99% of Americans. Find out what our 5G network is all about.
Customers who are on old networks will have to switch to new, high-speed networks. We'll make sure to help our customers and business partners through the change.
When people switch from older technologies to 4G/5G service, they will get:
Real broadband speeds can be many times faster than those advertised.
If we find out more in the future, we will add it to this page.
Customers in business
Connect with T-Mobile for Business if you are a business.
Call 1-855-936-6014 to talk to a pro.
Email an expert
What does it mean for me that the Sprint 3G (CDMA) network is going away?
Sprint turned off its old 3G (CDMA) network on March 31, 2022.
Handsets, IoT/M2M, tablets, and air cards that only work on the Sprint CDMA network. Devices that use dual-mode CDMA/LTE or LTE technologies but don't support Voice over LTE ("VoLTE").
What does it mean for me that Sprint LTE is going away?
The customer only has to do a few simple things:
Switch out the Sprint SIM card for a T-Mobile one.
Data-only gear that works on the T-Mobile network and supports LTE and 5G
T-Mobile has voice and data devices and equipment that work with LTE, 5G, and VoLTE.
Depending on where you are, this may include being able to call 911. Among these are:
Data-only devices that don't work with LTE or 5G on T-network Mobile's