Am-tri-013.7z -

: Ensure no other firmware files are present.

: Unplug all USB cables before starting the update process. Am-Tri-013.7z

: The screen will show a progress bar or remain dark; do not power off. : Ensure no other firmware files are present

is an archive file containing the 3D printer firmware and configuration files for the Anycubic Kobra 3 (specifically related to the ACE Pro multi-material system). Am-Tri-013.7z

: Ensure your hardware version matches the "Am-Tri-013" designation.

: Move the extracted contents to the card's root directory. Power off : Turn off your printer and unplug the ACE Pro.

: Check if the filename needs to be shortened or renamed to update.bin .