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SIM Only Deals

  • Keep your phone and get a cheap SIM card only contract
  • 4G SIM deals available on one month contracts
O2 SIM Enterprise

Unlimited GB data

12 months contract

£ 20.00 per month

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500 minutes
Unlimited texts
500 MB data
30 Days months contract
£ 8.00 per month
Unlimited minutes
Umlimited texts
Add Data data
12 months contract
£ 9.00 per month
500 minutes
Unlimited texts
500 MB data
12 months contract
£ 8.00 per month
Unlimited minutes
Unlimited texts
2 GB data
12 months contract
£ 11.00 per month
Unlimited minutes
Unlimited texts
5 GB data
12 months contract
£ 12.00 per month
Unlimited minutes
Unlimited texts
6 GB data
12 months contract
£ 13.00 per month
Unlimited minutes
Unlimited texts
20 GB data
12 months contract
£ 13.00 per month
Unlimited minutes
Unlimited texts
24 GB data
12 months contract
£ 15.00 per month
Unlimited minutes
Unlimited texts
40 GB data
12 months contract
£ 15.00 per month
Unlimited minutes
Unlimited texts
Unlimited data
12 months contract
£ 20.00 per month
Unlimited minutes
Unlimited texts
Unlimited data
12 months contract
£ 24.00 per month
Unlimited minutes
Unlimited texts
Unlimited data
12 months contract
£ 25.00 per month

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Frequently Asked Questions

What is a SIM only deal?
It's precisely because SIM only deals don't include a phone that they're usually a lot cheaper than standard mobile phone monthly contracts.

A SIM card itself is a microchip around the size of a postage stamp holding all of a mobile phone's configuration information, for example the mobile phone number and call plan. Without a SIM card, a mobile phone will not work.

Once a SIM card has been activated it is permanently locked to the particular network, though not locked to a particular phone. That means you can easily change mobile phone handsets but keep your phone number, your friends’ phone numbers and any saved messages or photos.
How does SIM only work?
It's precisely because SIM only deals don't include a phone that they're usually a lot cheaper than standard mobile phone monthly contracts.

A SIM card itself is a microchip around the size of a postage stamp holding all of a mobile phone's configuration information, for example the mobile phone number and call plan. Without a SIM card, a mobile phone will not work.

Once a SIM card has been activated it is permanently locked to the particular network, though not locked to a particular phone. That means you can easily change mobile phone handsets but keep your phone number, your friends’ phone numbers and any saved messages or photos.
Why choose a SIM only deal?
It's precisely because SIM only deals don't include a phone that they're usually a lot cheaper than standard mobile phone monthly contracts.

A SIM card itself is a microchip around the size of a postage stamp holding all of a mobile phone's configuration information, for example the mobile phone number and call plan. Without a SIM card, a mobile phone will not work.

Once a SIM card has been activated it is permanently locked to the particular network, though not locked to a particular phone. That means you can easily change mobile phone handsets but keep your phone number, your friends’ phone numbers and any saved messages or photos.