Downgrade firmware

I need to downgrade the AMS lite firmware, but the Bambu Handy app has no previous versions available. Is there a way to do so?

Since the latest firmware update, PLA-CF gets stuck assigned to slots after adding a spool. This means without changing the filament profile to say “PLA-CF”, I can’t print using that specific slot.

hi
in bambu handy app got to devices select your printer select settings select firmware version and select downgrade

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