Sony didn’t keep its promise to deliver the Xperia S Jelly Bean update by the end of March and understandably angered quite a few users. According to a leaked update roadmap for the French carrier SFR, the Xperia S update will finally launch in May. Sony Xperia S launched in February 2012 running on Android 2.3 Gingerbread, got the Ice Cream Sandwich later on and was confirmed as eligible for… — Full…