Keep a USB stick formatted as FAT32 with a known working EFI shell (like the one from the EDK2 project) in your toolkit. If version 5.12 ever feels limiting, you can always boot a newer one.
The [5.12] build introduced subtle but important improvements over earlier shells (like 2.31 or 2.50): efi shell version 2.60 5.12
The is a command-line interface (CLI) used within the UEFI pre-boot environment. It acts as a bridge between the computer's hardware and the operating system (OS), allowing users to perform low-level tasks like hardware diagnostics, firmware updates, and partition management before any OS like Windows or Linux loads. Common Reasons for Entering EFI Shell Keep a USB stick formatted as FAT32 with