Summary: The article will show you how to convert AVI files to iPhone 5S video formats so that you can watch AVI movies on iPhone 5S with ease.
Q: “I have transferred some AVI videos on my iPhone 5S, and try to play but whenever try to play so it shows an error message “Unable to play”. What might be the issue behind this? How to solve this issue?”
Have you ever met the similar issue like the above user while playing AVI files on iPhone 5S? The iPhone 5S features a 4in Retina display with a 1136x640 resolution at 326ppi. The colors on web pages, games and video were bright and vibrant, while text was clean and crisp. Though iPhone 5s' screen may not be huge, it's definitely nice for watching movies. And here I will share a method how to view AVI files on iPhone 5S in a simplest way.
Basically such error's occur due to inappropriate format of video file or due to corrupted file. So you first check weather your iPhone 5S is able to play that format of video clip or not. And far as I know iPhone 5S like other Apple devices can’t support AVI format natively. One of the solutions is to use external Video player for playing that video's. You can get video player's from Apple App Store and you can easily download them from there. Note: I can’t make sure it goes smoothly all the time. Some problems exist like no audio. That’s mainly due to its complex video/audio codecs.
Also you can encode AVI video's to iPhone 5S compatible format like MP4, MOV, M4V by using video encoding tool's. Brorsoft Video Converter for Mac is the ideal utility for you. It is an easy to use yet powerful high-quality video converter, player and editor. If you're getting video playback errors with iPhone, iPad, iPod Touch or other portable devices, chances are you already installed this great utility. If you are on Windows, turn to Video Converter. Now you can just convert AVI to appropriate format and then transfer to your iPhone 5S via USB/WiFi/Bluetooth.
How to convert AVI video files to iPhone 5S compatible format
Step 1: Launch the AVI to iPhone 5S Converter program and click "Add Files" button to import the AVI files to be converted. Another way to load files is to browse and choose the AVI files you want to convert and directly drag and drop them into the main window of this program.
Step 2: Click on the Format bar and select "iPhone" > "iPhone 5 H.264 HD 720P(*.mp4)" or “iPhone 5 Full HD 1080p(*.mp4)”. The output videos could fit on both iPhone 5S perfectly.
Step 3: If the default settings do not fit you requirement, you can click “Settings” icon to and enter "Profile Settings" panel to adjust video size, bit rate, frame rate, sample rate and audio channels.
Step 4: After finishing all settings, simply click the big Convert button on bottom of the main window to start converting AVI videos to MP4/MOV/M4V for iPhone 5S.
When the conversion is finished, sync them to your iPhone via iTunes and now you can watch any AVI videos on iPhone 5S without any hassles with HD quality.
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Source:Convert and sync AVI files to iPhone 5S