O2 Internet Speed Test - Check Your Speed
Test your O2 internet speed in United Kingdom
Test your O2 internet speed in United Kingdom. This free speed test accurately measures your download speed, upload speed, and latency for your O2 connection.
About O2
O2 is an internet service provider offering various connection types operating in UK. The company offers mobile and fiber services using 4G, 5G, Fiber, providing reliable internet connectivity to residential and business customers across the region.
Mobile Data Settings
Need to configure your O2 mobile data? View the complete APN settings for Android and iOS devices.
View O2 APN SettingsO2 Speed Test FAQ
How fast is O2 internet?
Speeds vary by plan and location. Run a speed test to check your actual O2 connection speed and compare it with advertised speeds.
How do I test my O2 speed?
Click Start Test above to measure your O2 download speed, upload speed, and ping latency. The test takes about 30 seconds to complete.
Why is my O2 internet slow?
Common causes include network congestion, WiFi interference, or distance from the router. Try testing with a wired ethernet connection for the most accurate results.