Hold the Power and Volume Down buttons simultaneously. After 10 seconds, release Power but keep holding Volume Down. For iPhone 6s and older:
hardware vulnerability (iPhone 4s through iPhone X). Newer devices (iPhone XS/XR and up) do not currently support this level of deep exploit. or a certain operating system (Windows vs. macOS)? iPhone 5s device did not reconnect #171 - GitHub pwndfu tool
"Pwned DFU" (pwndfu) is a modified version of the standard iOS mode that has been exploited to bypass Apple's signature checks. While standard DFU mode only allows booting of software digitally signed by Apple, pwndfu mode enables users to load custom ramdisks, boot unsigned firmware, or downgrade to older iOS versions. Common Pwned DFU Tools Hold the Power and Volume Down buttons simultaneously
Based on the capabilities and features of Pwndfu, we recommend: Newer devices (iPhone XS/XR and up) do not