Downgrading from 12.1.2 to 11.6.1

HI

check it (the way is the same)

Downgrading BIG-IP software (10.x - 11.x)

do you have v11.6 ucs file ? you must only use

Downgrading version ucs.

if your no have. only use scf output to install Downgrading version .

Overview of single configuration files (11.x - 12.x)

and backup output v12 certificate file to import Downgrading version.

or use

platform-migrate option

2) License must re-activiated again!

Have a good day!