Downgrade MC4-R Firmware Version to 3.003.0035 or Earlier
The MC4-R's built-in infiNET EX radio firmware was upgraded with the release of Crestron Home version 3.004.0071 and is not backwards compatible. If it is necessary to downgrade the MC4-R control processor firmware from 3.004.0071 or later to 3.003.0035 or earlier, downgrade the infiNET EX radio firmware prior to downgrading control processor firmware.
To downgrade the MC4-R control processor firmware, follow these steps:
Download the PUF file containing the desired MC4-R control processor firmware (3.003.0035 or earlier) and then transfer it to the MC4-R's /Firmware folder.
Identify the radio stacks that are supported and record the index number for version 5810. To view the radio stacks, enter the following command:
The console displays the following:
upload NCP app image with the gateway builtin version
RFSYSTEM [STACK INDEX]
List of Radio Stacks Supported
System is currently running version 6230
Downgrade the infiNET EX radio firmware to version 5810. To downgrade, enter the following command:
NOTE: It may take several minutes for the process to complete.
Verify that the radio firmware was successfully downgraded to version 5810. To verify, enter the following command:
If the downgrade is successful, the console displays the following:
System is currently running version 5810
NOTE: Crestron Home version 3.003.0035 and earlier does not display the version number when the rfsystem command is used.
- Do not restart the MC4-R control processor prior to downgrading the processor firmware. If the processor restarts, the firmware downgrade reverts while the control processor boots.
Downgrade the MC4-R control processor firmware to version 3.003.0035 or earlier. To downgrade, enter the following command: