How To Put iPhone 12 In Recovery Mode And DFU Mode
How-to: Turn off, force restart, enter DFU on iPhone 12 - 9to5Mac
Request] New SafeMode for iOS 12 and Above. This Older Tweak [[SafeModeSublime]] Should Make a Comeback For iOS 12 And 13 For Unc0ver And Checkrain. Full Cuztomization Should Be Added As Well. : r/jailbreak
If you can't update or restore your iPhone or iPod touch - Apple Support
How to Enable Safe Mode on Apple iPhone 5 | SafeMode Wiki
How to put an unavailable iPhone or iPad into recovery mode