"I have downloaded some flash swf files. When I import them to my iPhone 4s I get an error "The file "movie.swf" cannot be imported because it does not appear to be a valid exported file". So I need to change them to the right and std format that iPhone 4s supports, How can I accomplish that? Any ideas? "

Well, Apple iPhone 4 is another great player for Apple fans after the release of iPad. As Apple describes, with a remarkable 960-by-640 resolution in a 3.5-inch screen, the new iPhone 4S makes it a more exciting experience to watch movies and videos. But there are various video formats in the market, what best video and movie format will the new iPhone 4S support?

iPhone 4S Supported Video Format:
H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, 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.
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format.

Here we highly recommend one simple yet effective programme, Doremisoft Mac SWF Converter which is one such powerful tool to help you to convert online or local Flash SWF movies to MP4 files for playback flash. swf movies on Apple iPhone 4s on mac(10.5-10.7 lion).

Wanna to edit swf files before transferring flash swf files to iPhone 4s?

The SWF to MP4 Mac Converter can also meet your requirements, with it you can do some advanced editing jobs like adjust output video effect, crop video play region, aspect ratio freely, snapshot image etc

Surely, the programme can also offers the functions of download online Flash SWF files from Web directly.

How to convert SWF to MP4 for playback on iPhone 4s on OS X

First install and run SWF to iPhone 4s Converter for Mac.

Step 1. Import SWF file to program Mac SWF Converter for iPhone 4s

Step 2. Set output format as iPhone 4s MP4

Step 3. Start Conversion


Step 4. Set a destination for output MP4 files


Note: With Mac SWF Converter, even enables you to grab swf videos on the web. Click"Grab SWF" to go to "SWF Downloader" interface.  As long as you provide the website which has SWF video on the web page, it can auto-snatch at the SWF file by grab function.