All four UK networks
Tesco Mobile sits on top of O2 only. If O2 is weak where you live or work, your Tesco connection is weak too. Fuse switches between EE, Three, Vodafone and O2 automatically — strongest signal wins.
Compare · vs Tesco Mobile
Fuse vs Tesco Mobile
Tesco Mobile is one of the UK's biggest networks by subscribers, sitting on top of the O2 network. Fuse uses all four UK networks through one eSIM — better coverage, no contracts, and roaming in 130+ countries instead of 27.
4.8·based on 2,143 reviews
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Ofcom-verified coverage data
| Feature | Fuse | Tesco Mobile |
|---|---|---|
| Network | All 4 UK networks | O2 only |
| eSIM support | Selected plans only | |
| Starting price | From £5.99/mo | From £7.50/mo |
| Contracts | No contracts | 12 / 24 month options |
| International roaming | 130+ countries | EU + 16 destinations |
| 5G | ||
| Multi-network switching | ||
| Coverage | 99%+ combined | O2 coverage only |
Network
FuseAll 4 UK networks
Tesco MobileO2 only
eSIM support
Fuse
Tesco MobileSelected plans only
Starting price
FuseFrom £5.99/mo
Tesco MobileFrom £7.50/mo
Contracts
FuseNo contracts
Tesco Mobile12 / 24 month options
International roaming
Fuse130+ countries
Tesco MobileEU + 16 destinations
5G
Fuse
Tesco Mobile
Multi-network switching
Fuse
Tesco Mobile
Coverage
Fuse99%+ combined
Tesco MobileO2 coverage only
Why Fuse
What you get with Fuse that you don't with Tesco Mobile.
eSIM out of the box
Tesco still ships physical SIM cards for most plans, with eSIM only available on selected newer contracts. Fuse is eSIM-first — activate in minutes, no plastic, no waiting for the post.
Roaming in 130+ countries
Tesco roaming covers the EU plus a small list of 16 destinations. Fuse gives you included data in over 130 countries on Pulse and Surge plans — far further than Tesco reaches.
No contract lock-in
Tesco offers 12 and 24-month contracts that lock you in. Fuse is rolling monthly — leave any month, no exit fees. Same low prices, no commitment.
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