If you have downloaded some FLV files from YouTube, Google Video, Facebook Video, etc and you want to watch FLV on your mobile phone like Sumsung, Sony Ericsson, LG, etc, you need to convert FLV to 3GP video format with a professional FLV to 3GP Converter.
What is FLV?
FLV, short for Flash video, is a video format played in Adobe Flash Player. If you download a video from YouTube, Google Video, Yahoo! Video, DailyMotion etc, it is most likely a Flash video with the file extension .flv. With the wide availability of Adobe Flash Player in most common web browsers, Flash video has become the most popular format for online video delivery!
What is 3GP?
3GPP and 3GPP2 are the new worldwide standards for the creation, delivery and playback of multimedia over 3rd generation, high-speed wireless networks. Defined by the 3rd Generation Partnership Project and 3rd Generation Partnership Project 2 respectively, these standards seek to provide uniform delivery of rich multimedia over newly evolved, broadband mobile networks to the latest multimedia-enabled wireless devices. 3GPP and 3GPP2 are based on the MPEG-4 standard which was derived from Apple's QuickTime. QuickTime 6.5 includes support for key components of the 3GPP and 3GPP2 specifications.
The tutorial below is an example to show how to convert FLV to 3GP for cell phones with easy steps. Firstly, you should free download the FLV to 3GP Converter - Aimersoft Video Converter and install it.
to load the FLV files you want to convert.
to trim video and set the start time & end time to get multiple clips as you like. Or click 
and you can crop the frame size, append effects, add picture/text watermark, or edit subtitle.