AFTER UPDATE TO 5.1.1 , PRE INSTALLED THEMES SECTION , DURING APPLICATION OF BLUE COLOR THEEEN WALLPAPER CHANGES TO Z4 TYPE AND FOR OTHER THEMES - GREEN, YELLOW ,PINK , RED NO CHANGES HAPPENS IN THE LOCK SCREEN ,BUT IF CHANGES THE HOME SCREEN WALLPAPER WHEN YELLOW, GREEN IS APPLIED THE LOCK SCREEN CHANGES TO BLUE WALLPAPER TYPE OF Z4 ??
