Make sure that Wi-Fi is turned off on your device before you test, or else you'll be testing your Wi-Fi speed instead. Open the speed test app or website, and click Go. Want to check your data download and upload speeds? T-Mobile recommends the OOKLA speed test, which can download on your device visit the Google Play Store, Apple App Store or access from a computer at. You can find current speed range information in the Speed and Latency section of our Open Internet disclosure. With so many factors affecting speed, there is no way to predict your exact speed, but we can make projections based on data from actual users who perform network speed tests. International roamers may purchase a data pass for faster data speeds.On-device usage has a priority on our network. Features of your plan or data plan, especially older plans learn more.Interference on the radio band or frequency.Being inside a building or a moving vehicle.Surrounding terrain, buildings, and trees.

How many other customers are using the same cell site.Device software and running applications.T-Mobile Fair Usage commitment to on-device usageĭata speeds vary depending on many factors, including:.

Speedtest 5g