Settings
Android Setting
Android Setting
Android Settings > Notifications > {Chat Apps} (On)
LINE Setting
LINE Setting
Settings > Notifications > Notifications (ON), Show Preview (On)
Don't forget to enable notification in each room
Messenger
Messenger
Profile > Notification & Sounds > Notification previews (On)
WhatsApp
WhatsApp
Settings > Notifications > Conversation tones (On)
KakaoTalk
KakaoTalk
Settings > Notification Settings > Message Alerts (On), Display (Sender + Message)
Telegram
Telegram
Settings > Notifications and Sounds > Alert (On), Message Preview (On)