
Check for these things that can affect your signal. If you’re still having issues, try our Network support page.
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*5G services require a 5G-ready device and an O2 SIM. 5G services must be enabled on your device. Available in 5G coverage areas only. Terms apply.

We invest £2m per day on average to boost our network. Discover what we’ve done to bring you cutting-edge technology and reliable connectivity.

Find out more about the stranger ways we’re improving our network