UI/UX

[Nik20071994]

When phone is lock in draw pattern type, lock icon  visible on uper left side . Lock icon must be in center so it's improve user experience.  And use some more color instead of standard black or gray , it's give more affective display. 

[Sidhabhi]

That's some bug after latest update..drop feedback to Samsung

[AbhishekPuri]

wait next for next update or visit service center and update software through them or reset ( before reset get backup of your data) your device

[Ehsank]

once Reboot in a safemode

steps to turn safemode;
long press on power button>
long press on power off option>click on safemode >your mobile will restart and turn into safemode.

if still same issue persist then send feedback to Samsung by using get help section
GetHelp>>SendFeedback>>ErrorReport/AskQuestion>choose appropriate section