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Discover our best SIM only deals today with fully comprehensive pay as you go option or SIM only contract choices. Whether you’re looking for a deal packed with minutes, texts or unlimited data, there’s lots of SIM only deals to choose from with Tesco Mobile.
SIM only contracts
Perfect if you want to keep your phone and want lots of data and minutes each month. All our SIMs work on 4G and 5G.
Pay as you go SIM
From £7.50 a month. No strings. The same data, minutes and texts as pay monthly, with the ‘pay as you go’ flexibility to change or take a break.
Don’t have a Clubcard yet? It’s free, quick and easy to sign up. Join Clubcard to get your hands on exclusive deals.
Need a business tariff? Browse our business SIM only deals.
Why Tesco Mobile
Collect Clubcard Points
Get your SIM fast -
we'll send it first class
Keep your number -
it's quick and easy
Until late spring 2023, take your minutes, texts and
data with you in Europe with
Home from Home
Don't worry about SIM size -
our tri-SIM fits all
Frequently asked questions
SIM only is just the SIM. That’s it. No strings – just minutes, texts, and data to use in your current phone. You can choose a pay monthly SIM or a pay as you go SIM and take it from there.
Ease. If you’ve just picked up the iPhone 13, iPhone 12 or Samsung S21 FE and have no intention of changing now, then just buy the tariff of minutes, texts and data you need and keep your favourite handset. If you’re looking for a phone, then check out our current mobile deals which include the latest Apple and Samsung ranges.
If your phone is 5G-ready, then pair it with our 5G SIM contracts. If you’re not sure if your phone can use a 5G network, check our page of 5G phones to double check.
All Tesco Mobile SIM plans come with our tri-SIM which fits phones with different sim size requirements. It’ll work with everything from your Samsung A23 5G to your iPhone 12. A simple solution where one size fits all.
That depends! Use your existing bills as a guide or head over to our mobile data calculator to estimate how much data you need based on your current or intended usage.
At Tesco Mobile, we have great deals on Pay As You Go and Contract SIMs.