my iphone 5s is not opening whatsapp
my iPhone 5s is not opening the WhatsApp. once I click on WhatsApp app its showing white blank screen and it automatically shuts down the app.so please help me with this. for first time I deleted the app and again I downloaded from appstore but its repeating the same. iPhone 5s is updated to 9.3.2.
iPhone 5s, iOS 9.2.1