To reset your EOS EFI software:
A: In most cases, resetting your EOS EFI software will not void your warranty. However, it's essential to consult your owner's manual or speak with a dealership representative to confirm.
Even with reset software, a bootable USB with an EFI shell (like ) is recommended. Download it from TianoCore’s official project.
: Allows you to read and write (update) the owner, artist, and copyright text directly to the camera.