How To Install Latest Whatsapp Calling Feature On Any Android

   After Whatsapp Web & the Leaks of Whatsapp's Calling Features Everybody Want To have This Awesome Feature on Their Android but It's Still beta Testing. It is Only available to Some Nexus 5 Users which are running on Android version 5.0.0.
   To Install The Calling Feature you must have to install Whatsapp Version 2.11.508 because this trick only works on 2.11.508 Version.

Requirements:

• Rooted Device
• Whatsapp version 2.11.508
• Terminal Emulator

Now Follow the Instructions-

1. Open Whatsapp Make sure it is running inside the background, dont clean or swipe it away!!

2. Open Terminal Emulator and Then Type "su" and press enter, then wait for SuperUser request and press Grant for the Terminal Emulator. 

3. Now you have access to Android System.

4. Then Again Press Enter To come in Next Line
and Type :
 am start -n com.whatsapp/com.whatsapp.HomeActivity

5. Now Press Enter You Are Done !!!

   Whatsapp will automatically Open and you have Latest Calling Feature in Your Smartphone.we tested on Xperia C Running on Android version 4.2.2 and Samsung Galaxy S dous running android version 4.0.

  Any Problem Occurs just Comment in comments box We will solve your problems.

Note: For use this trick you have to root your device.