How to Make Free International Calls on iPhone With Viber

Preparation
1. Turn your iPhone on.
2. Check to see if you have a 3G connection. If you do not have a 3G connection, connect to a wireless network.
3. Tap on Appstore app.
4. Search for 'Viber.'
5. Tap 'Install.'
Activation
6.
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You do not need an extra username to use Viber, just your phone number.
Tap on the 'Viber' app to start it.
7. Enter your phone number.
8. Tap on 'close' under the four-digit code Viber will send you. You are ready to make a call now.
9. Tap on a contact with a Viber badge next to his name to call him. Contacts who have Viber installed will have a Viber badge next to their name on your contact list on the phone.