✔ 最佳答案
You can try this software:
http://www.download.com/Super-Fever-Link/3000-2194_4-10418057.html?tag=lst-1
It's a free software that helps you to convert file to 3gp file format so you can play that in your cell phone.
Just drag your video file and choose your file output format and done.
It's pretty easy to use.
I hope that helps.