It is quite different for converting 3GP to MP4 from other formats, such as MOV or WMV. In order to accommodate for mobile phones, 3GP format is designed to decrease storage and bandwidth requirement. Although the enormous difference in compatibilities, 3GP and MP4 are both based on MPEG-4 Part 12 and contain multiple tracks of media. Compared 3GP to MP4, 3GP is developed for 3G mobile phones, but can also be played on some 2G or 4G phones. MP4 was designed for almost of the platforms, computers, TV or portable players. If you have ever encountered similar occasions with 3GP videos, you can convert 3GP to MP4. I transferred to an iPhone 6, but still in vain. I just frustrated to find the 3GP videos do not work on iTunes of my Mac. How to Converter 3GP to MP4 on Mac with Keeping Original Quality (macOS High Sierra Included) I recorded some interesting videos with my BlackBerry.
