Creality 4.2.7.3 motherboard Firmware v1.1.2

Board will read newest build #Ender3-v4.2.7-Stock-20211111.bin but will not install it, and places a “EEPROM.DAT” file on the SD card. any ideas? Help!

Likely you will need to prepare the SD Card correctly. Follow the instructions on the Ender 3 V2 FAQ on how to do this.