Back in 2014,_we reported that Windows Phone 8.1 would likely see two GDR updates during the year. One update (GDR1) was_slated to be released around June and was expected to feature bug fixes. The second update (GDR2) was expected around October._Microsoft released GDR1, also known as Windows Phone 8.1.1, last year. However, Microsoft has yet to reveal any details on GDR2, also known as Windows Phone 8.1.2.