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Tesco Mobile SIM only deals for January: comparing their prices

Tesco Mobile logo with a SIM card

The retailers featured on this page may compensate us when our readers follow links to their websites and make a purchase. More

How good value are Tesco Mobile's current batch of SIM only plans? We check against other UK mobile networks to find the answer. SIM Sherpa is your trusty guide. Last updated: 4th January 2021.

Tesco best SIM only deals

The best SIM only deal on Tesco Mobile this month

Tesco Mobile SIM card
 
15GB data
£12.50
a month

18-month dealGet this deal

at tescomobile.com
(opens in new window)

Their £15 for 25GB plan is a decent deal for January

Tesco Mobile SIM card
 
25GB data
£15
a month

18-month dealGet this deal

at tescomobile.com
(opens in new window)

To get a bigger chunk of data, you might like the £15 SIM only deal running on Tesco Mobile at the moment. It's a 18‑month plan, which comes with 25GB data, 5000 minutes and 5000 texts too:

It's not actually the cheapest SIM only deal on the market at the moment with 25GB data or more but it is the lowest-priced plan on any provider using the O2 network. Here's where you can beat it on other networks:

They're also offering unlimited data for £28 on SIM only currently

Tesco Mobile SIM card
 
Unlimited data
£28
a month

18-month dealGet this deal

at tescomobile.com
(opens in new window)

If you need even more data, we'd say this is one of Tesco's best deals on SIM only this month too. It's a 18‑month plan, comes with unlimited data, 5000 minutes and 5000 texts for £28 a month:

Even though it's in our pick of Tesco's best SIM only deals, you can actually beat it on price with other providers, including ones that also use the O2 network. See lower-priced networks' deals here:

Other Tesco Mobile guides