FREE O2 Big Bundle Pay As You Go Sim Cards, UNLIMITED minutes and texts

O2SKU: 1M.S-5010

Choose your tariff - your first sim is FREE (top up not included): O2 £10 Big Bundle (7GB data)


UP TO 2 FREE SIMS per person/household. See terms below


NEW Pay As You Go Tariffs from just £10 a month. Your top up lasts for 30 days and O2 give you a choice of 4 tariffs.

Tariffs now include UNLIMITED calls and texts to other UK phones and most include international calls to 42 countries


  • 7GB Data 

  • UNLIMITED UK Calls & Texts
  • UNUSED data rollover
  • FREE O2 Wifi
  • FREE EU roaming



  • 20GB Data

  • UNLIMITED UK Calls & Texts
  • UNUSED data rollover
  • FREE O2 WiFi
  • FREE EU roaming
  • 50 International minutes to 42 countries



  • 60GB Data

  • UNLIMITED UK Calls & Texts
  • UNUSED data rollover
  • FREE O2 WiFi
  • FREE EU roaming
  • 50 International minutes to 42 countries



  • 100GB Data

  • UNLIMITED UK Calls and texts
  • UNUSED Data rollover
  • FREE O2 Wifi
  • FREE EU roaming
  • FREE 250 International minutes to 42 countries

Why not choose your own number? Click the yellow banner below to choose from a range of thousands of numbers, now with hundreds of prices reduced

Gold Number Sim Cards at


  • UNLIMITED calls and texts to any UK network.
  • FREE roaming in the EU - note that this may change after Brexit. Check with O2 if this is important to you. 
  • O2 REWARDS (see below)
  • O2 PRIORITY MOMENTS - Free gifts and offers via app
  • FREE O2 Wi-Fi hotspots at thousands of UK locations
  • Unused data rollover to the following month
  • All sims are supplied in new and sealed official O2 retail packs
  • For the purposes of top up, a "month" means 30 days.

PLANS £15 and above INCLUDE:

  • International minutes to 42 countries

These new tariffs are available now. Packs may show the older tariffs but you will be automatically transferred to the new improved tariff.


O2 are one of the largest and most popular UK networks, and for good reason.

UK based customer service, together with free extras including O2 Rewards, which gives you up to 10% of your top-up back every 3 months.

Example: The £10 Big Bundle 30-day pack offers a generous allowance of data, with unlimited calls and texts to any UK network for just £10 monthly top up, with other options also available including a £30 package that gives you a massive 100GB of data

Pay As You Go means you're in control. There's no contract to worry about and these 4G sims can be used in any mobile phone - even 2G and 3G, with O2 promising a free upgrade to 5G when available in your area.

Your phone needs to be unlocked or on the O2 network, and these sims should work on networks carried by O2 such as GiffGaff, Tesco Mobile and Sky Mobile. 


All sim cards are triple cut to fit ANY mobile phone - sim size Standard (Mini), Micro or Nano

Don't pay up to £9.99 for these sims elsewhere - our sims are now available completely free to UK customers. We even pay the postage!

Do please note that all sim cards are issued strictly for personal use only and are not for resale. Sim cards must be used as the network intended and are subject to the network's terms and conditions (details on pack).

While we take every effort to ensure accuracy please be aware that all networks are constantly striving to keep their tariffs competitive. Therefore tariffs are subject to change without notice.

£10 Big Bundle sims are also available with £10 top up pre-installed:


You can now order up to 2 free sims per person/household in any 6 month period. To get your free sims, enter the discount code FREESIM at checkout.

Please do not order more sims than you intend to use.

Free sims must be ordered in the same transaction.

Up to 4 additional sims can be ordered at 99p each. 

Note that we can not accept repeat sim card orders, or orders for more than 2 free sim cards in any 6 month period.

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information. No payment details are taken if you are ordering a free sim card.

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