The GDR 3 Windows Phone 8 update has started to rollout to the Sprint HTC 8XT; listed on Sprint's Support Site for the model, software version 2.12.651.02 comes with improvements to streaming audio, accessibility improvements, and the GDR3 update from Microsoft. The update allows manufacturers to build larger screened Windows Phone 8 models with resolution of 1080 x 1920...Source: http://www.phonearena.com/news/Sprint-HTC-8XT-gets-GDR3-update_id48606
