Thursday, Jan 29th, 2026 (8:00 am) - Score 1,080Network benchmarking firm Opensignal has this morning published their first Mobile Network Experience Report for 2026, which measured the 4G and 5G (mobile broadband) services of all the primary network operators – EE, O2 and VodafoneThree (Vodafone and Three UK) – to determine which delivers the best performance. The results were then processed to reveal how the primary mobile network operators compared across various categories. The study continues to be predominantly focused upon the combined performance of 4G and 5G networks, but it does also examine the speed of 5G-only connections. O2 32.8MbpsDownload Speeds – 5G 1. O2 6.4MbpsUpload Speeds – 5G 1.