How to put your iPhone in recovery mode when all else fails

Recovery mode allows you to update or restore your iPhone using a computer with iTunes or Finder. Here's how to access it.

How to put your iPhone or iPad in DFU mode to fix it as a last resort

DFU mode can help you recover your iPhone or iPad using a computer.
Ars Technica

Bricked iPhones 16 feature wireless recovery mode for phone-to-phone resuscitation

If you've ever had an iPhone update go bad, you may have used recovery mode to resuscitate your device. A device booted into recovery mode can't do anything by itself, but it can be connected to a ...