Fring is a free app available from the Apple store which will allow you to use video chat, Skype or AIM on your iPhone 4 over a 3G network. This tutorial demonstrates how to use the app with your iPhone to make video calls.
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Smartphones How to Use Fring to video chat your friends with the iPhone 4 over a 3G network

By Rachel J
Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check our list of supported iPhone and iPad models, then follow our step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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