whatsapp is not initializing and not connecting I restore my mobile. and try reinstall whatsapp, it is not initializing but i am getting notifications. In a pop up, it shows unable to connect. 
Please help me. 
Whatsapp is most important to me.

I have Clear my data
My internet connection is very fast
Ensure that you have a fast and reliable internet connection.  

If that doesn't solve the problem, try clearing App Data
Settings-&gt;Apps-&gt;WhatsApp Messenger-&gt;Clear Data  

Hope it helps