Qolsys IQ2+Dim Screen and Fuzzy then Black

A double image has been reported before, but most troubleshooting has only resulted in temporary success.

You cannot revert to older firmware on a Qolsys IQ Panel 2. However, that would not be the issue here.

You actually have old firmware. 2.4.2 is the version it looks like your panel is reporting to Alarm.com, which is about 3 years old.

It would be recommended to update using the instructions here:

Additionally, try powering off the IQ Panel for an extended period of at least 20 minutes. After booting back up is the image normal?