Hi10 Bios, Andriod, Windows, Remix OS 2.0

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Hi. Can I please have the correct BIOS file, andriod file/rom, windows file/rom, and remix OS 2.0 file/rom for
Chuwi Hi 10 CW1526 HiB RQ64G45170900207? Thanks! Instructions how to flash the bios would be helpful. Thanks!