Make sure your phone is not in Do Not Disturb mode:
- Swipe up from the bottom of your screen to get to Control Center.
- Tap the Do Not Disturb icon.
It is shaped like a crescent moon. The icon is highlighted when Do Not Disturb is ON. Tap on the icon to turn it off.
Check if you have turned on Notification for BOTIM
- Open the Settings app on your phone and tap Notifications.
- Tap on BOTIM and choose Allow Notifications.