iPhone 4 [1] is on the way which comes with the dreams of Face-to-face chatting, amazing Retina display and multi-tasking. The following trend is lead to find better iPhone 4 battery replacement, get more funny and useful apps from iTunes, focus on iPhone 4 latest pricing.

iChat for iPhone 4
Apple faces the some kinds of problems in getting face-to-face video calls to work on the iPhone 4. So do other vendors. Apple wants to make mobile video chat an open standard for interoperable video chat sessions, so it adopted the neutral FaceTime name rather than calling the service iChat, which is an Apple-sounding name.
Play SD/HD video on iPhone 4
Though iPhone 4 is equipped with the most powerful functions on this planet so far, this Apple device still has the boundary of video format limitation. And if you want to put and play video on iPhone 4, firstly get familiar with the video format that supported by iPhone 4.
iPhone 4 Video formats supported
* H.264 video up to 720p, 30 frames per second. Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, stereo audio in .m4v, .mp4, and .mov file formats.
* MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats.
Convert video to iPhone 4 for Mac
iPhone 4 Video Converter for Mac is the best solution to convert and transfer both SD and HD video to iphone 4. Built-in more than 210 codec, this iPhone 4 video converter supports converting almost all video formats to iPhone 4, e.g. convert MKV to iPhone 4, convert AVCHD to iPhone 4, convert BDAV to iPhone 4 and convert WMV to iPhone 4, just name a few.
How to use iPhone 4 Video Converter for Mac to Convert Video to iPhone?
iPhone 4 Video Converter for Mac is especially designed for Mac OS. It runs stably on Mac OS X Tiger/Leopard/Snow Leopard, free dowload here >>.

1. Load your preferred video in this iPhone 4 Video Converter for Mac by clicking Add button.
2. Check the video information from File List Window. iPhone 4 Video Converter for Mac indicates basic information about your target video.

3. Under the to Apple category, select to iPhone option. The output method is fully compatible with iPhone 4.
4. Choose the output folder by clicking Browse button.
5. Right click Start button to get your Video Converted to iPhone 4.
Other features of this iPhone 4 Video Converter :
* First and unique iPhone 4 video converter supports multi-track HD video
* Hyper Threading Technology, offers up to 15x real time converting speed
* Built-in High Quality Engine, maximally improve image quality
* Convert video to iPad, iPhone 4, iPod, Apple TV, YouTube, iTunes

Related Software
WinX HD Video Converter for Mac: Convert any Videos to iPhone4, iPhone 3GS, iPhone3G.
WinX DVD Ripper for Mac: Rip and Convert DVD to iPhone4, iPhone 3GS, iPhone3G.
Related Source
iPhone 4 DVD Converter - Convert and Rip Copy-protected DVD to iPhone 4.
iPhone 4 iOS 4 DVD Converter for Mac - Rip DVD to iPhone 4 iOS 4 Mac by DVD to iPhone 4 ripper Mac.
Convert FLV to iPhone 4 for Mac - Play and Watch FLV Video on iPhone 4.
Convert MKV to iPhone 4 on Mac - Play MKV on iPhone 4.
Related External Source
[1]: iPhone 4 - Apple Offical Site