The answer is because Bell Canada's and a few other carrier branded phones is still on 17.1.A.2.55, so PC Companion for instance would say you are up to date. As other have mentioned, use the Flashtool and flash your phone with a generic ftf which has the latest version.
I would say flash Canada generic (which I uploaded which is in the firmware sticky) as I am using the Canada firmware, then you can have the latest update of 17.1.2.A.0.314.
Stillimages can bebeautiful, but some of you prefer to see animations on your screens. … more
17 Sep 2014
By Tomek Kondrat
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?