factory reset SG 450

hi all, got a SG 450, how would i factory reset just from hardware ie the front panel or even a pin hole if its got one as i dont know the password to get in cli or the web gui thanks, rob
Can't connect Shelly to Homeassistant through different Sophos UTM VLANs

Hey everyone, i have a problem here which turns out to be my final boss. What am I planning to do? I run two Sophos UTM firewalls at home, a UTM 320 which manages the LAN and an SG115 which manages...