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You would think that one of the best messaging apps in the world would not have any down time. But WhatsApp can stop working for one reason or another. And one of the most common problems is a failure to connect to WhatsApp.

Why can’t I connect to WhatsApp?

  • You’re not connected to the Internet or Wi-Fi.
  • Your phone is set to airplane mode.
  • There was a problem with the installation.
  • Chat applications are blocked.
  • You recently changed your SIM card.

How to fix WhatsApp connectivity issue

  1. Make sure you are connected to the internet, and that your connection is working properly. Open a browser, and surf on the web to test if you are online.
  2. Reboot your Wi-Fi router
  3. If you are using mobile data, make sure that it is enabled. And the background data is not restricted.


  • Go to Settings > Data usage > Cellular data
  • Go to Android Settings > Data usage > Menu Button > uncheck Restrict background data
  1. Check the sleep policy of your Wi-Fi
  • On Android, go to Settings > Wi-Fi > Menu Button > Advanced > Keep Wi-Fi on during sleep > set to Always
  1. See that the Airplane Mode is off instead of on. If you don’t see the airplane icon, the problem must be caused by something else.
  • On Android, go to Settings > Wireless & networks > More… > Airplane mode
  • On an iPhone, go to iPhone Settings, turn Airplane Mode ON then OFF.
  1. If you are connected but you can’t send a message, image, video or even make a phone call, see that you have completed the verification process properly. If you don’t remember receiving a verification code or using the QR code during installation, uninstall and then reinstall WhatsApp.
  2. If you suspect that your wireless access points are configured to block chat applications, including WhatsApp, call your mobile provider. This is especially true if the only time you can’t connect is when you use WhatsApp on mobile data.
  3. If you recently changed your SIM card, WhatsApp will definitely stop working. Remember that the app only works for one number per device.

If WhatsApp still doesn’t work, Uninstall and then reinstall the application. Make sure to back up chat history and other files before removing the app. On an Android, go to WhatsApp > Menu Button > Settings > Chats > Chat backup > Back up.

Want to know how to fix WhatsApp on Symbian instead?