I have had nothing but troubles trying to connect via my iPhone 4S and Bell Mobile to WhatsApp.
For the past few weeks or so the service has been sporadic... but as soon as I connect to a wifi the App connects without issues.
Am I the only one?
I did call into technical support, and of course they don't have any suggestions as it's a 3rd party App provider. They suggested to uninstall and reinstall, which I have done (and lost all my history
Since WhatsApp is a text based Application, it wouldn't surprise me if Bell is blocking the app because it reduces their revenues.