After the "OGXbox Installer New" has done its job, your console is a new machine. Here is your post-mod checklist:
The "New" installer drops the outdated, buggy BIOS files. It ships with CerBIOS v2.3.1 (the modern open-source alternative) and patched EvoX M8+ for 1.6 consoles with LBA48 support out of the box.
This is where the "new" installer shines brightest.