my watsapp notification is not coming on my screen

Hi papps99,

Thank you for using the Apple Support Communities! The first step we would recommend is checking your notifications settings by following the guidance in the following article that may help:

Use notifications on your iPhone, iPad, and iPod touch

Next, if the issue is specific to one app, the steps in the article below can also help:

If an app on your iPhone or iPad stops responding, closes unexpectedly, or won’t open

Hope this helps!

Have a great day.