WhatsApp Notifications Not Working
4.5
No alerts for new messages until app is opened.
Symptoms
- No sound/vibration
- No badges
- Foreground only sync
Possible Causes
- Disabled in settings
- Battery optimization
- Do Not Disturb
- Data restriction
Step-by-Step Fix
1
Check App Settings
WhatsApp > Settings > Notifications.
2
System Permissions
Phone Settings > Apps > WhatsApp > Notifications.
3
Disable Battery Optimization
Set WhatsApp to "Unrestricted" in battery settings.
When to See a Technician
This is a software configuration issue.
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