Mobile Phones, Phone Contracts & SIM Only Deals

We keep our prices frozen

Unlike other networks, we’ve never increased our customers’ prices mid-contract. Every Little Helps.

The best of 4G & 5G from O2

Don’t worry about dropping calls. We share O2’s network, giving you 99% UK population coverage and the rollout of 5G as it hits cities across the UK.

Award-winning network

The Which? Utilities Brand of the Year for 2021… A Which? Recommended Provider for 11 years running… Ofcom’s least-complained-about mobile network for 7 straight years… Hear what the experts have to say about us.

Save even more with Clubcard

Use your Clubcard points to save on pay monthly – they’re worth double. And collect 1 Clubcard point for every £1 you spend. And if you subscribe to Clubcard Plus, you’ll get double data and up to £40 off two big shops for £7.99 a month.

Download the Tesco Mobile app

It's easy to keep track with our app

  • Stay in control
  • Add more data 
  • Check your upgrade
  • Get in touch


Once you’ve given us your PAC or STAC code from your existing network, we’ll complete your switch to Tesco Mobile within one working day, if you give your PAC or STAC code to us before 6pm Monday to Thursday. Otherwise it may take longer, particularly on bank holidays. The most time you’ll have to wait is 5 days. This is the same for all mobile networks.

Switching Help

If your new phone takes a different sized SIM you’ll need to keep the new SIM in your new device and Text SWAP to 23424 from your original SIM card.

If your new phone takes the same SIM card size as your current SIM card, you don’t need to do a SIM swap. Just take your current SIM card and put it in your new phone.

More about SIM swaps

Can’t log in? Don’t worry - read our tips to help you get back into your account

Yes - The easiest way to top-up someone else’s phone for them is online by selecting the ‘New user’ button and following the instructions.

More about topping up

To link your phone to your Tesco Clubcard, text CLUBCARD to 28578 free from your Tesco Mobile phone and follow the instructions.

If you're on pay monthly, you can link your Clubcard in our free Tesco Mobile app