The device speed test checks the speed between your smartphone, tablet, computer, or other device and the internet. You can run the test through a cellular (mobile) network, a wired broadband connection, or your home Wi-Fi.

A gateway speed test checks the speed between your AT&T Wi-Fi gateway and our network. It reflects the speed coming into your home.

Download speeds show how quickly data travels from the internet to your device. A higher download speed means you can stream, download files, or access websites faster.

Upload speeds reflect how fast data travels from your device to the internet. A higher upload speed result makes posting files or images to social media or other sites faster.

Your device speed varies, depending on the number of devices you connect to Wi-Fi, how you use them, their age and type, and Wi-Fi signal strength.

See what speeds you can expect from your devices

Your speed results may vary based on many things, including but not limited to:

Latency (ping) is how long it takes data to travel from your device to another location and back. High latency can cause issues with video calls or online gaming.