A universal "open-everything" tool that handles 3GP without needing extra codecs.
It can store video streams like MPEG-4 Part 2 or H.263 and audio streams like AMR-NB. How to Download and Play 3GP
Apps like the Elmedia Video Player on the App Store can provide a more polished experience for older mobile formats. Converting 3GP to Modern Formats
3GP is a multimedia container format primarily used on 3G mobile phones, though it can also be played on some 2G and 4G devices. It was designed to reduce storage and bandwidth usage, making it perfect for the limited hardware of early smartphones.

