macOS 12 Monterey Full Installer Database. Download Directly from Apple!
Cannot upgrade to Monterey with non-apple… - Apple Community
A required firmware update could not be installed' (Fixed)
Amazon.com: SanDisk 2TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and dust Resistance, Updated Firmware, Monterey - External Solid State Drive - SDSSDE61-2T00-G25M : Electronics
Monterey 12.2 - Clover Bootloader v5144 - Required firmware update could not be installed. · Issue #497 · CloverHackyColor/CloverBootloader · GitHub
FIX your mac need a firmware update in order to install to this volume - APFS problem by CrocFIX - YouTube