Best Bulk Data PAYG SIMs in the UK


I want to buy a big chunk of data and use it until it runs out. I'm not interested in a contract. I don't want a bundle of phone calls, SMS, or ringtones. Just give me DATA that lasts for as long as possible.

Here's the best data deals that I could find. Stick them in your 2nd SIM slot, use them as broadband backup, or shove in a dongle and attach to a Raspberry Pi.

Operator Cost Data Length £/GB £/Month Link
EE £50 120GB 12 Months £0.42 £4.17 Amazon
O2 £40 12GB 12 Months £3.33 £3.33 Amazon
Three £45 24GB 24 Months £1.88 £1.88 Amazon
Vodafone £30 12GB 12 Months £2.50 £2.50 Amazon
Vodafone £45 24GB 24 Months £1.88 £1.88 Amazon
1p Mobile £30 3GB 12 Months £10.00 £2.50 1pMobile
Anywhere £60 0.6GB 12 Months £20.00 £5.00 Anywhere

If you want the cheapest data - it's got to be EE. Less than a quarter of the price-per-GB than Three.

For the cheapest per-month equivalent - there's nothing between Three or Vodafone. Just pick whoever gives you best coverage.

Worth also checking whether the network you choose supports 5G on their pre-paid SIMS. Same for roaming. Some do, some don't - it's not always clear from their websites.

I'm not sure if I can physically use 120GB in a year given that I'm mostly WFH. So I think I might give Vodafone a go.

If you've spotted any better deals - please let me know in the comments below.


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