Follow the installation steps at IoT installation media This test requires that you have two different model Raspberry Pi devices.
sudo flash-kernel
If all actions produce the expected results listed, please submit a 'passed' result. If an action fails, or produces an unexpected result, please submit a 'failed' result and file a bug. Please be sure to include the bug number when you submit your result.
tested on rpi4 (4,2,1gb), rpi3b+, rpi3a+, rpi3b, cm3, cm3+ lite, cm3+