Software
Firmware: Marlin
Firmware: Creality Official
Firmware: Marlin
Base
Configurations-2.1.2.zip
Marlin-2.1.2.zip
Marlin 2.1.2 for Ender 5 with V4.2.7 board
Marlin-2.1.2 - Ender 5 - V4.2.7.zip
Marlin 2.1.2 for Ender 5 with V4.2.7 board and BLTouch
Marlin-2.1.2 - Ender 5 - V4.2.7 - BLTouch.zip
Firmware: Creality Official
https://forums.creality3dofficial.com/download/ender-series/ender-5/
official_firmwares.zip