There are several potential reasons why you might not be receiving notifications on WhatsApp. Here are some common issues and their troubleshooting steps:

1. Check Notification Settings in WhatsApp

• In-App Notifications: Open WhatsApp, and go to Settings > Notifications. Ensure that notifications are enabled for both messages and group chats.
• Notification Tone: Make sure a notification tone is selected.

2. Check Device Notification Settings

• App Permissions: On your device, ensure that WhatsApp has permission to send notifications. This can typically be found in Settings > Apps > WhatsApp > Notifications.
• Do Not Disturb Mode: Ensure that Do Not Disturb mode is not enabled, as this can silence all notifications.
• Battery Saver Mode: Ensure battery saver mode is not restricting WhatsApp notifications.

3. Check Network Connection

• Wi-Fi/Data Connection: Ensure you have a stable internet connection. Notifications might not come through if your connection is poor.
• Background Data: Make sure background data is enabled for WhatsApp in your phone's settings.

Detailed Steps for Android:

Notification Settings:

• Go to Settings > Apps & notifications > WhatsApp > Notifications.
• Ensure all notification settings are enabled.

Detailed Steps for iOS:

Notification Settings:

• Go to Settings > Notifications > WhatsApp.
• Ensure Allow Notifications is toggled on and the alert style is set.