Here’s a short, informative article based on that topic: If you’re diving into the world of legacy iOS jailbreaking, you’ve likely encountered the p0sixspwn tool — a popular untethered jailbreak for iOS 6.1.3–6.1.6 on older 32-bit devices like the iPhone 3GS, iPhone 4, and iPod touch 4th generation.
Happy retro jailbreaking!
However, many users trying to run p0sixspwn today run into a specific error message: Here’s why that happens and how to fix it. Why Does p0sixspwn Need iTunes 10.5+? p0sixspwn relies on certain iTunes drivers and libraries to communicate with iOS devices in recovery mode and during the jailbreak process. Versions of iTunes earlier than 10.5 lack the necessary components or have incompatible APIs that the exploit chain depends on. p0sixspwn requires itunes 10.5 or above