Northern Ireland
Cell coverage comparison in Northern Ireland, United Kingdom
Based on crowdsourced speed tests and signal measurements in Northern Ireland, United Kingdom, the current snapshot reflects over 9,200 speed tests and shows medians of 14.4 Mbps download, 3.9 Mbps upload, and 45 ms latency.
Performance by Carrier in Northern Ireland
Explore median download speeds, upload performance, and network latency for each major mobile carrier in Northern Ireland, calculated from millions of real-world, crowdsourced speed tests. These results reflect typical everyday performance to help you compare carriers and choose the network that delivers the fastest speeds, most responsive connections, and broadest coverage where you live, work, and travel.
Over 1,200 tests conducted
Over 3,700 tests conducted
Over 2,400 tests conducted
Over 1,700 tests conducted
Performance by Carrier shows side-by-side results for the primary mobile providers measured in Northern Ireland. Each row reflects median download, upload, and latency for that carrier.
Providers included in this comparison are O2, EE, Three, Vodafone. Per-carrier test counts are shown in the table to indicate data accuracy.
Network Performance in Northern Ireland
Get a complete view of mobile network performance across Northern Ireland with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Northern Ireland-wide snapshot to understand overall network trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.
Median Performance
Download
Upload
Latency
Top Performers
Fastest Download: EE
33.7 Mbps
Fastest Upload: Vodafone
5.8 Mbps
Best Latency: O2
42 ms
Network Performance aggregates all measured carriers in Northern Ireland to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.
These medians are calculated from over 9,200 tests. Current medians are 14.4 Mbps download, 3.9 Mbps upload, and 45 ms latency.
Browse by Local Government Districts
Select a local government districts to view coverage data for that area.
Cell Coverage in Northern Ireland: FAQ
What is the best cell phone carrier in Northern Ireland?
Why might this page show limited data for Northern Ireland?
How can I check coverage at my specific address in Northern Ireland?
How can I contribute coverage data for Northern Ireland?
Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.
Get the appCheck Coverage at Your Exact Location
Use our interactive coverage map to see detailed signal strength data for any address in Northern Ireland.
Open Interactive Map