Aunsoft AVI to iPhone 4 Converter-How to Convert AVI to iPhone 4 HD videos Convert AVI to iPhone 4 HD & SD Videos Aunsoft updated with its full support to iPhone 4 SD and HD outputs. With plenty of compliments received from our customers, Aunsoft iPhone 4 Video Converter has renowned for its stable performance, high video quality of iPhone 4 720p MP4 output videos as well as its advanced feature of joining/merging multiple AVI files into one video. Source Video: AVI AVI (Audio Video Interleaved), developped and defined by Microsoft as the response to Apple's QuickTime, is the most common format for audio/video data on the computer. An AVI file can use different codecs and formats so there is no set format for an AVI file. DivX and XviD codes enable AVI files to have similar or even better quality than DVD. Convert to: iPhone 4 HD Videos iPhone's beautiful 3.5-inch widescreen display with 320x480 resolution is the ultimate way to watch movies, video clips, TV shows and play music, audiobooks. Just transfer the media from iTunes software on your PC or Mac to the iPhone, an excellent pocketable media player. File formats supported: iPhone MP4 (H.264, MPEG-4) video and MP3/AAC audio. How to Convert AVI to iPhone 4 HD videos 1. Click ?Add? button to browse source AVI file(s) to the program. Or simply drag and drop files into the app. 2.Choose output format for iPhone 4 720p output. Follow ?Format?> ?iPhone?> ?iphone H.264 720p(*.mp4)? to convert AVI files into iPhone 4 HD files. Or check out ?iPhone 4 MPEG-4 640*480(.mp4)? for SD output for iPhone 4. 3. Join AVI files(optional) and convert. Before you start AVI to iPhone 4 Converter HD conversion, you can tick the checkbox of ?Merge into one file? to join/combine all AVI files into one HD MP4 video for iPhone 4. Then click ?Convert? to start conversion.