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Check mobile coverage

Your signal’s our priority - that’s why we deliver thousands of upgrades every year for a stronger, more reliable connection.

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Things that affect signal

Check for these things that can affect your signal. If you’re still having issues, try our Network support page.

Thick walls and windows

Using an older device

Your distance from a signal mast

Bad weather or thick tree cover

More people using the network around you

Network updates

Check status
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Are you ready for the 3G switch off?

We’re switching to 4G and 5G - check your device is ready!

Find out more

Feeling 5G ready?

Grab a deal on the latest Samsung, Apple and Google Pixel phones. Choose from a range of flexible custom plans to suit your lifestyle and budget.

iPhone 17 Pro

iPhone 17 Pro Max

iPhone 17
Samsung Galaxy S25

Samsung Galaxy S25

Google Pixel 10

SIM Only deals

*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.

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O2 WiFi

Free WiFi when you’re out and about. For everyone.

Find free WiFi near you

Read more about our network

Our network improvements

Discover what we’ve done to improve our network

Learn more

Building a superior network experience

We’re investing £700 million in 2025 to boost our network

Read article

Unusual places our O2 network is found

Find out about the stranger ways we’re improving your network

Read article

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