why Samsung has the worst face recognition feature ?

provide nightmode feature for screen in coming update

please provide a preinstalled on screen video recorder in 7.0

this is humble resquest to samsung team to stop giving update . If you cann't give better performance after the update then what is the meaning of giving update.After the update the battery backup issue, charging issue is rasing probelm. After the up...

i am facing this problem after recent update . upto 88% its charges smootly but after 88 % it take more than 50 mins to charge & again after sometime gets decreased to 92 %. Before the update battery was pretty good in backup . it used to give arou...