How To Enable Vibration On Viber When Ringing ? <br /> <br />Step 1: Open Viber . <br /> <br />Step 2: Click on Stack Icon at the Top ,and then click on Settings. <br /> <br />Step 2: Click on Notifications. <br /> <br />Step 3:Click on Vibrate when Ringing option . <br /> <br />That's all <br /> <br /> <br />Thanks for watching,if you like this tutorial ,please like and share . <br /> <br />============================================== <br /> <br />https://www.facebook.com/HowtoTutorialsByAmit/