Order a free O2 sim now and get unlimited calls and texts to O2 numbers when you top up £15 a month.
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O2 Free Sim
Summary of Offers at Comet
Online Cashback at O2 Free Sim
Earn £2.50 with online purchases! Earn Cashback
Conditions
Get £2.50 cashback for an activated sim.
Don't Miss Out!
10%
Cashback
Up to 0.63%
Cashback
Up to 1.50%
Cashback
