The WhatsApp icon looks like a green speech bubble with a white telephone in it.
 It looks like a gear icon in the bottom-right corner of your screen.
 This option is listed next to a red square icon towards the bottom of the Settings menu.
 This section will be the second block of options from the top on the Notifications menu.
 The switch will turn white. You will stop receiving message and call notifications from all group chats.
Open WhatsApp Messenger on your iPhone or iPad.
Tap the Settings tab.
Tap Notifications.
Find the "GROUP NOTIFICATIONS" heading.
Slide the Show Notifications switch to Off position.
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