Android App: How To Block and Unblock a Contact on Viber -2016 ? <br /> <br />Step 1: Open Viber Android App . <br /> <br />Step 2: Click on Stack Icon ,and then click on Settings. <br /> <br />Step 3: Click on Privacy. <br /> <br />Step 4: Click On Block list . <br /> <br />Step 5: Click on + icon to add a Contact <br /> <br />For Unblocking: <br /> <br />Browse to Block List and click on Unblock right next to the contact that you want to unblock. <br /> <br />That's all <br /> <br /> <br /> <br />Thanks for watching,if you like this tutorial ,please like and share . <br /> <br />============================================== <br />https://www.facebook.com/HowtoTutorialsByAmit/