my mate has been a giffgaff customer for a good year he is having problems topping up online with his voucher to ge all the extra talk time etc for his ten pound top up he is getting nothing but i have just learned that giffgaff are usng o2 as network provider which they kept that quiet dont even know if my mate knows he is using 02 signal.can my mate phone 02 customer service as a giffgaff network user and get 02 to sort his problem that he is having any feed back would be appreciated and if someone comes back with some knoledge on this very soon would also be apreciated thanks
