Yes there is a way, you can just go to the backup/system operating system and delete/archive the update, but its only a limited amount of time though, and to be honest with most software, its very hard to downgrade an update, that requires professional skills, but there is a way. If you want try looking up how to downgrade an update for ios on google search and that should help you.
The first one is 0 (0/3=0)
The second one is 3 (3/3=1)
The third one is 2 (6/3=2)
The fourth one is 9 (9/3=3)
Hope this helps you :)