O2

Hi guys, Finally got my code through to my phone for those galaxy buds for £1 but when I try to put in the promo code it says its assigned to someone else? Anybody else have this

Hi guys, I have just upgraded my current phone yesterday, I have paid off my current contract and meant to start a new one, My new phone is meant to come tomorrow but I have not had any order confirmation regarding this, I did screenshot my order num...