@chichirod that worked. Thank you

Im trying to revert back from
Board: Duet 2 WiFi (2WiFi)
Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 3.3 (2021-06-15)
Duet WiFi Server Version: 1.23
to
Board: Duet WiFi 1.02 or later (duetwifi102)
Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.04 (2019-11-01b1)
Duet WiFi Server Version: 1.23
but ive downloaded the 2.05 Duet2CombinedFirmware.bin and tried installing but I get this error:
Error: M997: In-application programming binary "0:/firmware/Duet2_SDiap32_WiFiEth.bin" not found How do I fix this. Please