If you have a working firmware then you should be able to recover it.
Be prepared to open up the player and go through the hard recovery procedure (not for the faint hearted!), depends on how skillful you are really.
An easier (and better) alternative would be to stick with the working Teac firmware and just Mod it using the images from the Teclast firmware. That would be much safer, and remember that the TL-c260 probably would not work anyway.
hope this helps
cheers knob
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