Troubleshooting WhatsApp notifications not working

Applies to: WhatsApp Messenger (Android, iOS)
Last updated: September 2025

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Problem

You’re not receiving WhatsApp message alerts, sounds, or banners. This can cause missed chats, calls, or group messages even though they arrive once you open the app.

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Solution

Notification issues are usually caused by app settings, phone system settings, or battery-saving restrictions. Adjusting these will restore real-time alerts.

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Step-by-step Instructions

Step 1: Check WhatsApp notification settings

1. Open WhatsApp.
2. Go to Settings > Notifications.
3. Ensure Message Notifications and Group Notifications are enabled.
4. Choose your preferred alert tone.

Step 2: Check device notification permissions

• Android:
  1. Go to Settings > Apps > WhatsApp > Notifications.
  2. Ensure Allow Notifications is turned on.
  3. Enable lock screen and banner notifications if desired.
• iPhone:
  1. Open Settings > Notifications > WhatsApp.
  2. Toggle Allow Notifications on.
  3. Select Alerts for Lock Screen, Notification Center, and Banners.

Step 3: Disable battery saver restrictions

• Android:
  1. Settings > Battery > Battery Optimization.
  2. Find WhatsApp and select Don’t optimize.
• iPhone:
  • Ensure Low Power Mode is off (Settings > Battery).

Step 4: Enable background data

• Android: Settings > Apps > WhatsApp > Mobile Data & Wi-Fi > Allow background data.
• iPhone: Settings > WhatsApp > Background App Refresh > On.

Step 5: Restart or reinstall WhatsApp

• Restart your device to refresh system services.
• If the problem persists, uninstall and reinstall WhatsApp.

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Optional Methods or Tools

• For Do Not Disturb (DND) issues: disable Do Not Disturb mode or whitelist WhatsApp.
• If using third-party launchers or notification blockers, check their settings.

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Best Practices / Tips

• Keep WhatsApp updated to avoid bugs in notification delivery.
• Use Wi-Fi or stable mobile data to prevent delayed push notifications.
• Reboot your phone occasionally to refresh background services.
• On iPhone, log into iCloud to ensure push notifications sync correctly.