V222 Universal Controller Firmware Update
If you have enabled firmware and/or maintenance protection (in the firmware upload or support pages, respectively), you must to disable it to perform the upgrade.
There are two parts to the update.
The Application Firmware version is the left side number: X.X.X.X / x.x.x.x
The Maintenance AVR version is the right-side number: x.x.x.x / X.X.X.X
Update Part 1
Extract from the .sysupgrade file from the zip file
Update Part 2
Extract from the .avr file from the zip file
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