All Apple mobile devices I've used have had some form of low-level forced reboot method, akin to holding down your PC's power button. Though I can't say whether

All Apple mobile devices I've used have had some form of low-level forced reboot method, akin to holding down your PC's power button. Though I can't say whether it's also something one could subvert with a BootROM exploit. https://support.apple.com/guide/iphone/force-restart-iphone-iph8903c3ee6/ios https://support.apple.com/guide/iphone/force-restart-iphone-...