My company had to switch from Microsoft to IPhones. I hear Siri every day. Usually followed by swearing. When I got mine, I was trapped in some Siri -> Lock Sc

My company had to switch from Microsoft to IPhones. I hear Siri every day. Usually followed by swearing. When I got mine, I was trapped in some Siri -> Lock Screen -> Siri combination. "Siri go away" and "Siri show me the home screen" didn't help either. I just wanted to get on the home screen but since there is no Back-Button...well it's disabled now.