Microsoft today announced an increase in the length of the company’s support lifecycle for Windows Phone 8, from 18 months to 36 months. Beginning with Windows Phone 8, Microsoft notes in an official blog post that updates, including security updates will be available for 36 months. Each update will (as we already know) incremental, with each release building on the preceding one. While the company will have the update available, the mobile operator and / or mobile phone manufacturer may control the distribution of updates.
viaMicrosoft increases Windows Phone 8 support lifecycle, teases upcoming enterprise update | Windows Phone Central.