Before we know how to play OGG on iPhone 4, we need to know some knowledge of OGG itself firstly. OGG is a free, open standard container format maintained by the Xiph.Org Foundation. The creators of the OGG format state that it is unrestricted by software patents and is designed to provide for efficient streaming and manipulation of high quality digital multimedia.
The OGG container format can multiplex a number of independent streams for audio, video, text (such as subtitles), and metadata.
Because the OGG format is free and loaded with advantages, this format has become more and more popular; you may have seen plenty of music resources that are in this format. If you have a iPhone 4 and you are a music fans, why not play this music file on your iPhone 4?
The OGG audio format is new, fashion and free, while the iPhone 4 is also new, fashion and loaded with features that are suitable for playing music. If we meet a lot of free music resources that are in the format of OGG, which will be great pleasure if they can be played on iPhone 4. However, things may not go as your will, I can definitely tell you that iPhone 4 can not support OGG, which is really a great pity! Thus, at this time, we need to convert OGG to iPhone 4 audio formats.
You may have seen there are a lot of related converters that claim that they can convert OGG to iPhone 4 audio formats. However, it is not true that all of them can really help you do this task. If you need to convert OGG to iPhone 4 audio formats, you need to find a good related converter. Here, I can recommend you a good one; it is iPhone Video Converter Factory Pro!
iPhone Video Converter Factory Pro is powerful, fast, safe, easy to use and loaded with extra functions. It can help you convert nearly all the popular video formats and audio formats to all the iPhone models. You don't need have to figure out what is the right video or audio format, resolution, encoder, frame rate for your iPhone, just simply select your iPhone device and click "Start" button to start the conversion process, which is easy for every users. What's more, this iPhone video converter has rich extra functions; you can merge, clip, crop and add special effects to your videos! You can also extract images from your videos, all of these features will make your video or audio more personality!
1. Download the iPhone Video Converter Factory Pro > 2. Click "Add" button to load the OGG files into the converter > 3. Choose iPhone 4 as your output choice

4. Click "Start" button to begin the converting processes

5. Open the output folder to get the converted OGG files and enjoy them on your iPhone 4

Like what you have seen, you need only five main steps and then you can finish all the tasks. For more operation guide, you can see the user guide of this video converter. With this video converter, how to play OGG on iPhone 4 will be not a problem again!
Screenshot of iPhone Video Converter