Blackberry Bold 9900 2 months old on o2 Immaculate Conditon looking to swap for an iPhone 4/4s !

Blackberry Bold 9900 looking to swap for an iPhone 4/4S which must be on the o2 network or unlocked. Has this Blackberry for 2 months but looking for an iPhone, it is in immaculate condition as it has been very well looked after and has been in a holster case since day 1. Comes boxed and with the holster case (worth 30). Texts only please (07738111681)