Mines also here. Fitted a tempered glass screen protector on mine and my brothers, I got his on perfectly, mine is slightly raised on the edges so I'll try another one later. Not as easy to apply perfectly on these due to the slight curve on the screen near the edges.
Those who increased data allowance via o2 chat, check that it's been done. Mine wasn't due to a 'technical fault' but he honoured the £31 and applied it again. The previous chat log is saved so you should be fine.