@mydragoon

About the privacy concern:
First, it is important to be accurate – we only collect names and phone numbers, nothing else. Naturally, we collect users' information not because we are curious of its content, but for functional reasons, and in order for us to enable the service we, as a company, promise to provide. Without that information, Viber cannot function. This is not different from any other major social network/communication service provider in our world nowadays.

I would like to clarify again: we DO NOT sell users' information to third-parties, and we keep this information WELL locked in our servers, with extremely limited access to it.

So why is Viber free?
For now, Viber's focus is on adding platforms, adding features (such as text messages) and improving overall system performance.  At the same time, we are working on additional future premium services that will generate revenues. The basic Viber service - Viber to Viber phone calls and text messages - will ALWAYS be free.have

How did I find LYN forums?
I simply Googled it   My job is to find forums discussing Viber, and providing them with answers to technical issues or concerns.

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Added on July 27, 2011, 5:50 pm

1. Are you using a custom ROM?
2. Did you try isolating Viber's effect?  Please try rebooting, making sure NO application is running (even in the background), then trying Viber out.