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How we keep this page unbiased: every network below gets the same table format, the same word count, and the same level of scrutiny. We don't accept payment from any network for placement or favourable coverage.
| Network | Type | 5G Headline | EU Roaming | Strongest At |
|---|
| Three Mobile | MNO | Fast peaks; new plans capped 100Mbps | 163 countries (Go Roam) | Widest worldwide roaming |
| O2 | MNO | 95% landmass incl. satellite | Free, all plans | Coverage + free EU roaming |
| EE | MNO | 920/1,000 — 11-year leader | Varies by tier | Raw signal reliability |
| Vodafone | MNO | 808/1,000 — 2nd ranked | Varies by tier | Business & enterprise |
| Tesco Mobile | MVNO | Runs on O2 | 48 destinations free | Customer service track record |
| Sky Mobile | MVNO | Runs on O2 | Daily charge | Data rollover (Piggybank) |
| iD Mobile | MVNO | Runs on Three | Up to 50 destinations | Wide non-EU roaming |
Independent guidance notice: Onuhiowise (onuhiowise.online) is an independent information and guidance website covering all major UK mobile networks equally — Three, O2, EE, Tesco Mobile, Vodafone, Sky Mobile, and iD Mobile. We are not any of these companies, not a reseller, not an agent, and not an authorised partner of any of them. We do not sell SIM cards, contracts, or airtime, and we do not display or quote pricing anywhere on this site. If you contact us by phone or form, you are reaching Onuhiowise's own independent guidance team — never a network's official customer service line. Our team will always introduce themselves as Onuhiowise, an independent service, and will never claim or imply that we are O2, Three, EE, Tesco Mobile, Vodafone, Sky Mobile, iD Mobile, or any other network. Network names and colours used on this site are trademarks of their respective owners, used only so you know which network a page is about — this does not imply any partnership or endorsement. Always confirm final pricing, contract terms, and account-specific matters directly with your network.