Let's assume that you have your new Nexus 5 in your hand and are setting it up; an internal LG document reveals that during the set-up process, there is a software update needed that without which, your new pride and joy will not work. Apparently, to avoid a repeat of last year's chronic shortages with the Nexus 4, LG built initial batches of the phone before the software was complete...Source: http://www.phonearena.com/news/Software-update-needed-to-set-up-your-Nexus-5_id48973
