What is a 3G2 file?

3G2(3GPP2 file format) is a multimedia container format similar to the 3GP file format. 3G2 is defined by the Third Generation Partnership Project 2 (3GPP2) for 3G CDMA2000 multimedia services. 3G2 files are stored with the .3g2 extension. As compared to 3GP files, 3G2 files consume less space and bandwidth.

Technical Details

The 3G2 format is based on the ISO base media file format defined in ISO/IEC 14496-12 – MPEG-4 Part 12. 3G2 file format was developed for mobile phones to reduce storage, bandwidth, and data usage. 3G2 file format supports the following codecs:

  • Video
    • MPEG-4 Part 2
    • H.263
    • MPEG-4 Part 10 (AVC/H.264)
  • Audio
    • AMR-WB
    • AMR-NB
    • AAC-LC
    • HE-AAC v1
    • EVRC
    • EVRC-B
    • EVRC-WB
    • 13K (QCELP)
    • SMV
    • VMR-WB

For the storage of MPEG-4 content, 3G2 refers to the MP4 and AVC specifications, and for the storage of H.263 and AMR content, it refers to the 3GP specifications.

How to open 3G2 file?

A 3G2 file is a multimedia file format used for video and audio, mainly on 3G mobile phones. Here’s how you can open it:

On Windows:

  • Use VLC Media Player (free and widely supported).
  • Open with Windows Media Player (may require codecs).
  • Try QuickTime Player (if installed).

On macOS:

  • VLC Media Player is the best option.
  • QuickTime Player may work but might need additional codecs.

On Android & iOS:

  • Use VLC for Mobile or MX Player (Android).
  • iOS users may need VLC or another third-party media player.

On Web Browsers:

  • Convert the file using online converters to MP4 or another common format for easier playback.

Download Free 3G2 File

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References

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