O2 Free SIM offers & cashback

£5 cashback

O2 Free SIM offers & cashback

Earn Cashback at over 4,300 retailers each time you shop through Quidco, Simply...


Join Quidco today it's fast and simple


Click our link and purchase with the retailer

Get paid

We track your purchase and you'll earn a cash reward

Online cashback rates

£5 cashback

for an activated free sim

Last updated

What will stop me earning cashback?

  • Cashback is limited to one order per household
  • Cashback claims are not accepted for this retailer
  • Please also see the retailer's standard terms and conditions for purchase as listed on their site
  • Cashback will not be paid in conjunction with any other offer, voucher or discount code unless listed on this page, or with any other discounts such as staff or student discounts
  • Cashback may not be paid on VAT, delivery, card payment fees, taxes or any other additional charges

Good to know

  • Cashback may initially track at a lower or higher rate and update once confirmed
  • This retailer does not accept cashback claims. If your cashback fails to track or becomes declined, we will unfortunately be unable to investigate for you

More about O2 Free SIM

Get your hands on a free SIM card from O2 with constantly great rates and fantastic top-up incentives

Order your free sim by 9am and you'll get it the next working day (subject to location and Royal Mail delays).

Our Pay As You Go tariffs are flexible.


With a Pay As You Go phone sim you also get lots of perks, just for being on O2. And you can keep your number, if you've joined from another network.

Fantastic FREE text offers - O2 are offering you Unlimited FREE O2 to O2 texts every month when you top up just £10 a month!