Earn £2.50 Cashback at O2 Freesim

Order a free O2 sim now and get free unlimited calls and texts to anyone on O2 when you top up £15 a month, on top of your credit. Get up to 10% of your credit back every three months to spend on things you like, just for topping up. If you are already an existing Pay & Go customer and would like to change your tariff to O2 Unlimited, text NOLIMIT to 21300, free from your O2 mobile.

Order your sim today and top up before 1 May, and get £10 to spend at Prezzybox.com
*Min £10 top up.
Open to new O2 PAYG sim customers only.