The only difference (and at the same time the whole idea for the phone) is a type of half-keyboard QWERTY. Nokia Wahoo is therefore half of the keys known to be a full QWERTY keyboard, which, after a temporary hold on the reference space are changing the half remaining. Initially, the switch may be a little tiring, but when to do so przyzwyczaimy, it appears that this solution is quite functional. Moreover, the same solution used to competition, such as Sony Ericsson P1 or some HTC models.