FREE O2 Big Bundle Pay As You Go Sim Cards, now with DOUBLE DATA, UNLIMITED minutes and texts

O2SKU: 1M.S-5010

Choose your tariff - your first sim is FREE (top up not included): O2 £10 Big Bundle (14GB offer)


Order your free sim card at

MAXIMUM 1 FREE SIM per person/household within 6 months

NOW WITH FREE INTERNATIONAL MINUTES on £15, £20 and £30 packs, and DOUBLE DATA until 28 June.

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


  • 14GB Data a month until 28 JUNE

  • 7GB Data a month thereafter

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



  • 40GB Data a month until 28 June

  • 20GB a month thereafter

  • UNLIMITED UK Calls & Texts
  • UNUSED data rollover
  • 50 International minutes to 42 countries



  • 60GB Data a month until 28 June

  • 30GB a month thereafter

  • UNLIMITED UK Calls & Texts
  • UNUSED data rollover
  • 50 International minutes to 42 countries



  • 150GB Data a month until 28 June

  • 100GB a month thereafter

  • UNLIMITED UK Calls and texts
  • UNUSED Data rollover
  • FREE 200 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:


We can only supply 1 free sim per person/household in any 6 month period. To get your free sim, enter the discount code FREESIM at checkout.

Up to 5 additional sims can be ordered at 99p each. 

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

If you wish to purchase further sim cards you must continue shopping and complete the order in one transaction before checking out, i.e. select the quantity required and "Add to cart". Do not purchase in separate transactions.

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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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