Apr 14, 2014

Apr 14, 2014 Windows Phone version history - Wikipedia Information regarding GDR2 (also referred to as Update 2) was released in February 2015 it was revealed that Microsoft was working on a 2nd update for Windows Phone 8.1 that would provide increased security for OEM's, add extra languages and additional technology support and is also reported to bring an anti-theft mode. Over-the-cable Updater tool for Windows Phone 8.1 Oct 24, 2017 Lumia 1320 WP 8.1 Update 2? - Microsoft® Community Jul 29, 2015

Apr 05, 2017

Update software - Nokia Lumia 520 - Windows Phone 8.1 This guide will show you how to update your Lumia to the latest software version. Updates give you access to new improvements and fixes bugs on your phone. It is recommended to back up your phone before you start this guide. Windows 8.1 RT Update 3 - support.microsoft®.com

wp 8.1 vs wp 8.1 update 1 - Windows Central Forums

Windows Phone 8.1 - Free downloads and reviews - CNET windows phone 8.1 free download - Windows 8.1, WP tiles 8.1, Windows 8.1 Professional, and many more programs Windows Phone 8.1: Release Date, Rumors, News, Features