Due to the supply shortage on the microprocessors, D578UV2 has to use a different microprocessor after 1-July-2022. 

Check the Device Info for model name before the firmware upgrading.

Model name: D578UV2 or D578UV2(GD), states the radio uses the GD MCU chip, it shall use the D578UV2_GD_V2.XX version firmware for upgrade.

Model name: D578UV2(AT), states the radio use the AT MCU chip, it shall use the D578UV2_AT_V2.XX version firmware for upgrade.

When you select wrong firmware for loading, the CPS will report an error and remind to use the correct firmware. 

CPS is the same for both firmware version.
