Running Unsupported iOS on Deprecated Devices
14 days ago
- #Software Modification
- #iOS Hacking
- #Device Compatibility
- Running unsupported iOS 6 on iPod touch 3, a device officially limited to iOS 5.1.1.
- Technical breakdown of iOS components: iBoot, Kernelcache, DeviceTree, Userspace filesystem, and coprocessor firmwares.
- iPhone 3GS tests reveal DeviceTree compatibility issues, addressed with a Python script for diffing and patching.
- iBoot modifications include signature check patches and dynamic NVRAM data population for stable booting.
- Kernelcache challenges solved by generating a prelinked kernelcache using macOS tools, adapting it for iOS.
- Restore ramdisk and root filesystem adjustments include patching system files and adding necessary firmwares.
- Exploits and patches for system components like MobileGestalt and FairPlay daemon to ensure functionality.
- Future plans include jailbreaking possibilities and extending the method to other unsupported devices like iPad 1.