This is something that I would also really like to know. I am by no means anything more than a casual photographer and most pictures I take are of friends, family, me, my partner and our dog (aside from the occasional scenic photo on holiday).
Is there some killer feature of Lollipop? Just wondering why people want to update so desperately?
I get having the latest software. But I'm sat in the UK an quite happy with the performance of the Z3 on 4.4.4.
Not having a dig at anyone I ...