CorePlayer was a powerful multimedia player for Symbian, Windows Mobile, and other mobile OSes.
On S60v5, it was popular because the built-in RealPlayer had poor codec support. CorePlayer could play:
CorePlayer's primary appeal lay in its extensive codec support and efficient resource management: coreplayer symbian s60 v5 1
Audio Only / No Video: This usually happens if the video bitrate is too high for the device to decode. Try a lower-resolution file (e.g., 360p or 480p). and other mobile OSes. On S60v5
Audio Powerhouse: Supported MP3, AAC, WMA, WAV, and OGG with advanced equalizer settings. and OGG with advanced equalizer settings.