You can do it by yourself. Use PhoenixTool. Otherwise a RW-Everything https://forums.mydigitallife.net/threads/update-rw-everything.29789/ report is needed.
I am looking for this modded BIOS as well. Please repost link if you have it. Thank you so much. ASUS ROG Strix X570-E Gaming - Latest BIOS
Oh, what a nice thing to see after two weeks away moving house! I still need to finish setting up the studio, but this is added impetus - many thanks, Tito, I shall extract the digit and respond with results within 48 hours. H.
... Well [expletive] me sideways - plugged the PC in this afternoon, deader than a dissected doorknocker - board damaged in transit. Pull it apart, lovely crack passing under the CPU socket. Back to looking for replacement guts again, but perchance I find another B150M-PLUS, I've snagged the file anyway. H.