The 3gp format assumes a high degree of compression of the quality of the original video file, including image resizing. That is why this format has been supported by a huge number of mobile phones by default for several years now. There are several ways to play 3gp.
Instructions
Step 1
If you downloaded a 3gp file, but you can't play it on a computer and you have a mobile phone with a color display, try playing 3gp on it. To do this, connect your phone to your computer using> https://www.codecguide.com/download_k-lite_codec_pack_mega.htm. Together with a set of codecs, a special player - Media Player Classic - will be installed on your computer. Be sure to restart your computer after installation. Then find the downloaded 3gp file and open it with a double click. The video starts playing in the Media Player Classic window.
Step 3
A 3gp video that has been downloaded or copied to a computer can be converted to another format for playback that is supported by the standard media player of the operating system. Use the xVideo Converter program to convert.