How to prevent latest version of firmware downloading?

I want to download arducopter 2.9 for apm 2.8 but it keeps downloading 3.2.1. How can I prevent mission planner to download 2.9 instead 3.2.1. I choose previous version correctly but it does download the latest version?

Thank you.

You can’t. It’s going to look here for the firmware target. Do you see 2.9?

Why in the world would you want that version? Or an APM Flight Controller for that matter.