https://checkra.in/
支援13.2.2
目前仅提供Mac版本
Unsupported devices
checkra1n will eventually support all devices between the iPhone 5s and the iPho
ne X, however, this beta lacks support for the following devices:
iPad Air 2
iPad 5th Gen
iPad Pro 1st Gen
Support for these devices will be added in a later release.
Support for the following devices is experimental, and may require more attempts
than usual:
iPhone 5s
iPad Mini 2
iPad Mini 3
iPad Air
Reliability on these devices will be improved in future releases.