How to convert .mp3 audio to .3g2 format.
Converting MP3 Audio Files directly to 3GPP2 Multimedia Files (.mp3 to .3g2 conversion) should be possible and quite straightforward.
Use one of several media editing programs or conversion tools, such as the Adapter or Filestar, which should be perfectly capable of converting MP3 to 3G2.
Alternatively, you can try some available online conversion solutions capable of such conversions.
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