Now you’ll see the raw components.
Why go through the trouble? Historically, this was the bedrock of the community. By modifying the IPSW, developers could: Inject Cydia/Sileo directly into the restore process. modify ipsw file
The main target for modification is usually (the root filesystem) or kernelcache . Now you’ll see the raw components
If you’re ready to dive deeper, begin with the iPhone Wiki’s "Firmware Keys" page and a copy of img4tool . Start with an iPod touch 5th generation (cheap, vulnerable, and forgiving). Good luck, and always keep a signed IPSW on your hard drive—just in case. and forgiving). Good luck