You can consider yourself lucky for not killing your player completely after flashing a different firmware.
I can't help you with your issues as i don't have an Actions player anymore, and i'm not much of a coder either. My Sigmatel player's firmware also sucks, but i don't have the skills to mod it.
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For my dreams i hold my life...
I miss my Meizu M6SL... Currently rocking a Sony Ericsson w595 on Samsung in-ear phones. Does fine, but it's not a chipod...