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Tesco Mobile SIM Deal
Uses O2's Network
100 GBof 5G data
£20.00 a month
12 month contract
Roam up to 100GB in 45 destinations
Your Tesco Mobile SIM deal
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Tesco Mobile uses O2's network and offers 99% population coverage across the UK.
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Tesco Mobile's average download speed on O2's network is 23.1Mbps. Based on Opensignal's network experience report (September 2024).
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Tesco Mobile customers can use their allowance for no extra cost in 48 European locations, subject to a fair usage limit. Extra charges apply outside this.
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Cost breakdown
Your contract
Monthly cost for 12 months (from 1 May 2026)
£20.00
Total cost
£240.00
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How are price rises calculated?
Some providers set annual price rises to cover predicted changes in service costs. This is usually linked to inflation, but from January 2025 they have to tell you the exact amount upfront.
In our breakdown, we've assumed your first bill will be next month, and your billing date falls after the date any price rises come into place. -
Minutes and texts
- Minutes
- Unlimited
- Texts
- Unlimited
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Uswitch Awards Best Network for Customer Service 2026
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Worried about overspending? Tesco Mobile allows you to cap your usage and spending.
Worried about exceeding your monthly allowances? Tesco Mobile lets you cap your usage, so you can't rack up extra charges.
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Clubcard points and award-winning coverage
Collect Tesco Clubcard points for every £1 spent on topping up or your mobile bill each month. Based on O2's network, Tesco Mobile's service offers 99% coverage across the UK.
Customers must purchase the deal directly from the retailer's website. Prices, plan names and offers all based on information received from suppliers. Deals and vouchers offered are subject to availability. Existing customers are not eligible to upgrade to these deals.