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3G2 file format

File extension
.3g2
File category
Description
3G2 is a 3G phone audio and video format made by 3rd Generation Partnership Project 2. Also, it is compatible with 2G and 4G phones. Mainly used on mobile phones for viewing video and for transmitting online multimedia files. It is also called 3GPP2 due to MPEG-4 standards from Apple’s Quicktime
Technical details
3G2 has the same features as the MPEG-4 part 14 series (.MP4) but more user-friendly than the MPEG. It reduces bandwidth and storage space requirements, thereby, making it suitable for mobile phones. Video stream file sizes can be reduced using MPEG-4 Part 2 and MPEG-4 Part 10. It stores audio as AMR-WB, AMR-WB+, He-AAC, AMR-NB, and AAC-LC. Also, 3G2 files can store and transfer bytes with priority to important information. However, the files are made for CDMA-based phones.
Programs
Apple QuickTime Player
GOM Player
Microsoft Media Player Classic
Totem
VideoLAN VLC Media Player
Main program
Microsoft Media Player Classic
Developer
3rd Generation Partnership Project 2
MIME type
video/3gpp
audio/3gpp