How to open a 3gp video on an iphone?

How do I open a 3gp video on an iphone?

I put a 3GP video on my iPod Touch using iTunes and it just shows up with all my other videos and "opens" (plays) just like ant of them. The iPhone should work just like an iPod Touch in that respect. If you're having problems doing that you should have included that in your question.

IPhone doesn't support 3gp video, you have to convert the 3gp video to mp4 video for playback on iPhone. You can follow this step by step guide to convert and sync the video to your iPhone, it's easy to understand and works pretty well for me.

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