Unfortunately SigmaTel players can't be reskinned.
But if the firmware extraction tool says it's not a SigmaTel, it may be an Actions chip.
Try using
s1fwx to extract your firmware and see what you get.
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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...