 In May 2014, the phone was then again updated at version 4.4.2 KitKat.Motorola Mobility has chosen to differentiate the Droid series from other Android devices primarily by focusing on a superior battery capacity both for the standard and Maxx variants.An often compared competitor, the Samsung Galaxy SIII, has a 2100 mAh battery compared to the standard 2530 mAh Razr HD and the 3300 mAh Razr Maxx HD.