Is the notification LED on the UmiDigi Crystal only Red, Green and Blue or does it have more colours like Purple, Light Blue and white? Like in Umi Super...
Or if you wish to go to silence mode. Press the power button once and tap vibrate icon to change to silence mode. To undo silence mode tap the bell icon. The bell icon with a slash on it is for Do Not Disturb mode.
Under Settings/Display/Pulse notification light there are only setup for notification light for
a) while charging
b) Low battery
c) Missed Notification and
d) Incoming calls
Believed all are white. No further setups either on colour or other events is available.
Possibly UMIDIGI can expand the notification light further on the next OTA.