I'm trying to update an old SG500X-24P that's running 1.2.0.81.
I've factory reset the switch, removed it from the stack, etc., etc.
I upgraded the bootcode to the oldest available 1.3.0.03 but I'm unable to switch to the (oldest available) 1.2.0.97, let alone the recommended 1.3.5.58 from the...