several GitHub repositories gained popularity for providing tools and documentation related to bypassing or managing Apple's Activation Lock . These projects often centered around the Checkm8 exploit
Hardware Constraints: Vulnerabilities like checkm8 were patched in hardware starting with the A12 chip (iPhone XS and newer), rendering most 2021 GitHub bypass scripts ineffective for modern devices. Activation Lock for iPhone and iPad - Apple Support activation lock github 2021
Checkra1n: While not a bypass tool itself, Checkra1n was the foundational jailbreak that made almost all 2021 bypasses possible. Its GitHub presence was the "source of truth" for many developers. Putting the device into PWNDFU mode (Pwned DFU)