unlocked but still locked

i submitted this order

210886 Success
o2 UK SEMI Premium Only – IPHONE 5s, 5c, 5, 4s, 4 ,3gs, 3G 0137220007***** UNLOCKED

but is not unlocked ?!
*******r is very angry cuz he paid me, order was delayed and after i told him that is done he found that it still locked
plz fix this issue today
i don’t want problems with *******rs
waiting for your answer