What is checkra1n? is a large community project that seeks to Jailbreak the different iPhone versions from iPhone 5s to iPhone X, Checkrain is based on the “CheckM8” exploit that does a semi-tethered Jailbreak at Bootron level, Checkra1n Supports iOS from 12.3 and up.
How do use Checkra1n?
Open the checkra1n app and follow the steps to put your device in DFU mode.
The magic happens automatically from that point and the device will start in jailbreak mode allowing the exploit CheckM8 to operate on iOS & BootRom now you can use third-party software.
Remember you can Jailbreak from the console, just Run “./checkra1n.app/Contents/MacOS/checkra1n” from the console, or download a Linux CLI build.
Is it safe to jailbreak? Can it damage my device / erase my data?
jailbreaking is a 100% safe process and Checkra1n developers take precautions to avoid damage to idevices.
It is recommended that you back up your device before running checkra1n.
Any process do it at your own risk
Internal SSH Server
After doing the process you can access your device with an SSH server, port 44 – Local Host, with iProxy you can access and expose your device to internal modifications.