Downgrade Foreman 3.2-Katello 4.4 to Foreman 3.1-katello 4.3

Problem: Want to Downgrade Foreman 3.2-Katello 4.4 to Foreman 3.1-katello 4.3

Expected outcome: it should work without any issue

Foreman and Proxy versions: Foreman/Foreman-proxy 3.2

Foreman and Proxy plugin versions: Foreman/Foreman-proxy 3.2Katello 4.4,foreman-remote-execution 6.0.0,foreman_host_reports 1.0.2,Foreman_ansible 7.1.0,Foreman_tasks 6.0.0

Distribution and version: CentOS 7.9

Other relevant data:

I want to downgrade Foreman 3.2-Katello 4.4 to Foreman 3.1-katello 4.3.

As per above mentioned forum , In Foreman 3.2 version ,mail notification feature is not working. Before upgrading to 3.2 i had taken offline backup of my old version (Foreman 3.1/Katello 4.2) .

Shall i perform downgrade by just restoring existing backup or need to perform using yum downgrade ?