: Use Checkra1n (or similar tools) to jailbreak the device if required.
Connect your device to the PC in DFU Mode. The tool will not recognize the device if it is in normal mode or Recovery Mode. apple tech 752 bypass tool 5.5 download windows
Past releases of the macOS tool (including V5.5) are archived on the Older Versions page Alternate Link: : Use Checkra1n (or similar tools) to jailbreak