Windows Phone. Troubleshooting.
Problems sending or receiving messages.
The most common reason why you can't send or receive WhatsApp messages is a bad Internet connection.If you're sure your phone is connected to the Internet, there are a few reasons why WhatsApp messages aren't going through:
- Your phone needs to be restarted or turned off and on.
- The contact you're messaging has blocked your number.
- You haven't completed the initial verification process.
- The number of the contact you're trying to message on WhatsApp hasn't been saved correctly on your phone.