DFU mode is the extreme unction for this stubborn machine. When iOS 15 slowed to a crawl, when a jailbreak tweak corrupted the kernel, when a forgotten passcode turned the device into a locked drawer of photos from 2018—DFU is the only way back. It bypasses the standard recovery screen. It reaches deeper into the silicon soul and whispers: Restore.
Here is a short, conceptual essay based on that prompt. mode dfu iphone se 2016
Wiping everything and reinstalling iOS from scratch. DFU mode is the extreme unction for this stubborn machine