EM7430 fw downgrade

hello
is there any special command i should use in order to downgrade a certain firmware?
I just keep getting error massages when trying to

which FW is now on?
What FW are you going back?

For new module, it would use new memory, where you need to use the new FW


hi , you can see attached picture
the bottom one is the one i need to downgrade

which FW is now on?
What FW are you going back?


sorry , this is the correct picture …

which FW is now on?
What FW are you going back?