You know you've got a message from WhatsApp when notification is shown on the screen, and you will check WhatsApp and reply to the message in time. But sometimes WhatsApp notification is not working when:
WhatsApp notifications and new messages don't appear on the locked screen, and you are not receiving WhatsApp messages unless you open the app;
You receive notifications but no messages on WhatsApp, and the message shown is from an old chat.
We've sorted out some methods to deal with the problem that WhatsApp notifications are not working on iPhone/Android. And WhatsApp notification may work fine again in the following ways.
- Solution 1: Turn on Notification
- Solution 2: Clear Cache（Android Only）
- Solution 3: Close the App and Restart Your Device
- Solution 4: Update or Reinstall WhatsApp
- Solution 5: Update or Reinstall System
To begin with, you should:
1. Make sure you turn on Wi-Fi/mobile data, and you are in good network environment.
2. Disable Battery Saving mode, since it will prevent all notifications being sent to you so as to save power. Turn off Battery Saving mode by running Settings > Battery.
Suppose you can get notifications from other apps but not from WhatsApp, you may not turn on Notification on WhatsApp or Settings.
For one thing, you should run WhatsApp, open Settings and slide the buttons beside message and group Notification to turn on it.
For another, you need to run Settings on your phone, find out Notification > WhatsApp and turn on it.
Ask your friend to send a WhatsApp message to you and see if the notification works now.
Cache is a collection of small files that help to speed up apps to run, while it will also burden apps with accumulated files. Thus, notification may be delayed by cache and you should clear it from time to time.
Android users are required to open Settings > Apps > WhatsApp > Clear Cache.
iOS users don't need to clear cache since the system will do it for you; however, if you still worry and you want to clear cache more thoroughly, deleting the app is the best choice for you, and more details about reinstalling WhatsApp will be listed in Solution 5.
Notification not sent properly may result from temporary glitch from WhatsApp. Closing the app may be the most direct and effective way to deal with the issue.
Android users can slide up the menu to see recent used app, and slide up WhatsApp to close it; or go to Settings > Apps > WhatsApp > Force Stop. After that, restart your phone.
iOS users can double click the Home button, swipe up WhatsApp to close it, and then force your iDevice to restart:
iPhone 5/5s,6/6s users should press and hold the Home button and Power button.
iPhone 7/7 Plus users should press and hold Volume Down button and Power button.
iPhone 8/8 Plus, X users should press Volume Up and then Volume Down button, then press and hold Power button.
You should hold the button for about 10 seconds until the Apple Logo appears. Now run WhatsApp again and wait for the notification of a new message.
Suppose you cannot get a proper notification through the above methods, you are suggested to update WhatsApp to the newest version, since the new version has been optimized based on the old one. Also, you can try to delete WhatsApp and reinstall it later.
Android users can hold the WhatsApp's icon and drag it to the trash can; or open Settings > Apps > WhatsApp > uninstall. Then download it in Google Play.
iOS users can also hold the app’s icon, and tap the "X" on the top left of the icon. Then reinstall it in App Store.
Before you delete WhatsApp, don't forget to do a backup for your data like chats, photos etc. You can use iCloud/Google Drive to help you; or you can use FonePaw iOS Data Backup & Restore , which is good at making backup for iPhone or iPad data, like WhatsApp messages/photos. Here is the guide.
Step 1: Launch iOS Data Backup & Restore, and connect your device with your PC via USB cable. Tap "Trust " on your phone to get connected.
Step 2: Click "iOS Data Backup" and then "Start".
Step 3: Tick the data you want to back up and click "Next". After a while, backup is done. Now you can uninstall WhatsApp without worry.
WhatsApp not sending you notification of a new message may be the consequence of system mistake, so you can try to install the system again.
iOS users can refer to the instruction of how to reinstall operating systems in iOS device. Your system will become the latest one in a few steps.
For Android phone, you can Open Settings > About and you can see if the newest version is available.
You are advised to leave your device in Wi-Fi environment when it is updating, since many files will be downloaded. Thereafter, run WhatsApp and see if the notification function is back to normal.
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