UK mobile networks, explained properly
Plain-English information on Three, O2, Sky Mobile, EE and the budget brands that ride their masts — plus step-by-step guides for switching, coverage, roaming, and staying safe from phone fraud.
Network information
Three information
Fast 5G, unlimited value, home broadband — and the indoor question the merger money targets.
O2 information
Split contracts, rare inclusive EU roaming, the congestion pattern, satellite trials.
Sky Mobile information
O2's masts, Sky's data piggybank, and value that peaks inside Sky households.
EE information
The coverage champion at the premium price — worth it at your postcode?
Budget & virtual brands
Whose masts is my brand on?
The host table that decides every budget brand's coverage.
Tesco Mobile
Satisfaction-survey royalty on O2's masts.
giffgaff
No contracts, community support, O2 underneath.
SMARTY
Radical simplicity on Three's masts.
iD Mobile
Relentless value on Three's masts.
VOXI
Social apps that don't burn data, on Vodafone.
Lebara
International minutes built in, on Vodafone.
Step-by-step guides
Switch network
One free text; nobody can refuse it.
Check coverage
Postcode facts vs marketing weather.
Improve signal
Six free fixes, in the order that works.
eSIM setup
Minutes to set up; one habit guards your bank.
Travel & roaming
The five-minute drill before every trip.
Data & plans
Where "unlimited" bends, and right-sizing.
Network apps
Who has what; the five-second fraud test.
Why networks glitch
Six causes, six correct responses.
Complaints that work
The free ombudsman nobody mentions.
Safety & reference
Want to talk it through?
Our helpline answers general questions about anything in this hub — switching, coverage, complaints, staying safe. We can't open accounts, take payments, or act for any network.
0330 059 7117 Standard UK rate · usually free within inclusive minutes · we never ask for passcodes, banking or card details