Whatsapp Fingerprint Unlock Security Feature

WhatsApp Messenger is a FREE messaging app available for Android and other smartphones. WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos, documents, and Voice Messages. 
WHY USE WHATSAPP:
  • NO FEES : WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family, so you don't have to pay for every message or call.There are no subscription fees to use WhatsApp.
  • MULTIMEDIA : Send and receive photos, videos, documents, and Voice Messages.
  • FREE CALLS : Call your friends and family for free with WhatsApp Calling, even if they're in another country.* WhatsApp calls use your phone's Internet connection rather than your cellular plan's voice minutes. (Note: Data charges may apply. Contact your provider for details. Also, you can't access 911 and other emergency service numbers through WhatsApp).
  • GROUP CHAT : Enjoy group chats with your contacts so you can easily stay in touch with your friends or family.
  • WHATSAPP WEB : You can also send and receive WhatsApp messages right from your computer's browser.
  • NO INTERNATIONAL CHARGES : There's no extra charge to send WhatsApp messages internationally. Chat with your friends around the world and avoid international SMS charges.
  • SAY NO TO USERNAMES AND PINS : Why bother having to remember yet another username or PIN? WhatsApp works with your phone number, just like SMS, and integrates seamlessly with your phone's existing address book.
  • ALWAYS LOGGED IN : With WhatsApp, you're always logged in so you don't miss messages. No more confusion about whether you're logged in or logged out.
  • QUICKLY CONNECT WITH YOUR CONTACTS : Your address book is used to quickly and easily connect you with your contacts who have WhatsApp so there's no need to add hard-to-remember usernames.
  • OFFLINE MESSAGES : Even if you miss your notifications or turn off your phone, WhatsApp will save your recent messages until the next time you use the app.
  • AND MUCH MORE : Share your location, exchange contacts, set custom wallpapers and notification sounds, email chat history, broadcast messages to multiple contacts at once, and more.
How To Activate Fingerprint Lock :
  • Whatsapp > Setting > Account > Privacy > Fingerprint
Important Link :