#     [  Archive  MCT66E-IO Firmware v.1.0.4.259](https://www.roger.pl/en/support/technical-support/download/firmware/archives-3/2889-mct66e-io-firmware-v-1-0-4-259-1)

 [  Download  (zip, 36 KB) ](https://www.roger.pl/en/support/technical-support/download/firmware/archives-3/2889-mct66e-io-firmware-v-1-0-4-259-1/file)