Firmware flaw?

I liked this product and it worked well for a few weeks. Recently, however, it has manifested a bug: When I play an individual song, either through the Music menu or the Browse menu, it will play about 3 seconds of the song and then automatically stop the song and switch to the record function. If I'm patient enough to try multiple times, I can often get the song to play all the way through, but it's hit or miss and quite frustrating. This is unfortunate because otherwise the sound quality is good and body of the device is well constructed.

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