o2sim card which is working (ok for incoming phone calls) or with credit on it
I'm looking to buy 2 sims, either just working (so ok for incoming phone calls) or with credit on them, as cheaply as possible please.
Obviously the price will depend on how much credit , if any, is on the sim.
Must be o2, not Giff Gaff, Orange etc, I'm only interested in o2 please.
Shipping/Payment: PPG is easiest
First class post please :)