I've just defected from Orange to Giffgaff. As it's only been a week I can't comment on thew robustness of O2's network but the price is definitely right and with it being sim only there's no love lost if you try it out and for some reason want to swap to a different provider.
I've just defected from Orange to Giffgaff. As it's only been a week I can't comment on thew robustness of O2's network but the price is definitely right and with it being sim only there's no love lost if you try it out and for some reason want to swap to a different provider.