how can u downgarde ????? plz need help

hi all
i want to downgrade the system router OS 3rc13 to 2.9.50.
i downgrade it already but when i downgrade the remote client CPE my wireless card become Disable and obviously i disconnect from remote client and i have to travel abt 25 km .
so is there any other solution can i downgrade the system without disable wireless card???

or any solution??? suggestion???plzzzz

thanx in advance
james

The question is why you would be running a beta version in a production enviroment. Stop your whining and drive.

If you’re going to do something like downgrading I’d drive out there either which way, else you may get some upset customers…

ya u r wright dear.