Thanks to __gsch's S5Late exploit, the wInd3x tool can now boot RetailOS with signature checks disabled.
Which means you can now do 1337 h4xx0r sh1t like edit strings and whatnot. Or, you know, come help us port U-Boot and Linux :).
https://github.com/freemyipod/wInd3x/?tab=readme-ov-file#cfw