R8BA024 JP-7.7 is faster then R6BC002 JP-7.5
But cann't use application(s)/game(s) as wallpaper or send installed games without have *.jar file.

List ur K800i wallpaper applications here. : Software : Sony Ericsson @ Esato

Send installed applications/games only DB2020 ( K800i , K810i , V630i , W880i and other ) : Tips and tricks : Sony Ericsson @ Esato