The Official firmware files provided here contain an anti downgrade mechanism.
This can be bypassed by simply changing the name of the update file to that of a higher version number currently installed.
To download a modified Firmware file, check the Downgrading box and then click the desired Download buttons.
A file starting with 90.**.5 will be downloaded, where ** is a random number to avoid collisions in your downloads folder.
We recommend once you've downgraded, to delete these files as to avoid future confusion!
Firmware files hosted on this site are to be used at your own risk, While we take every precaution ensuring the authenticity of the files, we cannot be held responsible should they break your gear.