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Other Pay & Go tariffs and Bolt Ons

O2 Unlimited & International sim is available to all Pay & Go customers. As long as you top up £10 or more in a calendar month, you'll get free texts and/or minutes to other O2 numbers in the UK.
As well as great UK rates, it also offers:


  • Calls from as little as 1p per minute
  • 10p per text to international mobile and landline numbers
  • Free data allowance


If you’re an O2 Unlimited & International sim customer, you can receive free minutes and data every month depending on your monthly top-ups:


  • £10 - £14: Unlimited free texts to O2 numbers, plus 50MB of free data
  • £15 - £29: Unlimited free texts and calls to O2 numbers, plus 100MB of free data
  • International: Great rates to 250 countries from 1p per minute, 10p per text


You also have free access to O2 Wifi hotspots across the UK.


Opting in
You can request to opt into O2 Unlimited & International sim by:


  • Texting 'LINK' to 21300
  • Calling 2202 IVR free from your mobile
  • Visiting My O2
  • Contacting Customer Service


Opting out
You can opt out of O2 Unlimited & International sim by opting into another tariff. The transfer will be completed on your next anniversary date.



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