* Rich communication services enabled* Usefull cards added in messaging
app like microsoft messages* all the system apps have been refreshed*
brightness issue is solved we can reduce more brightness now* glance - a
new wallpaper service added* flashl...
i think in A series also there is no speed indicator or double tap to
screen off or reaching the finder option or dual app for all apps..and
it is dual messenger so it supports only messenger same in A series..