Hi,
my graphic cards in Windows 10 64bit, Crimson 16.11.5, Claymore`s v9:

Asus Radeon Strix Gaming RX470 4GB  - 190sol
Sapphire Radeon Nitro+ RX480 4GB - 214sol

Anyone advise me how to modify the bios for each of these cards? Link to youtube?

Thanks