Upgrading FortiWLC-1000D and FortiWLC-3000
To upgrade to FortiWLC-1000D and FortiWLC-3000D, use the following instructions.
Direct upgrade to this release is supported using the .fwlc file format only.
FortiWLC with versions prior to 8.4.0 require an intermediate upgrade to 8.4.0 or later (using rpm.tar file format) before upgrading to this release (using rpm.tar.fwlc file format).
Note that the .fwlc file format is supported from release 8.4.0.