Redsnow | 0.9.6b6

This guide assumes your device is already running iOS 4.2.1. Prerequisites: (Mac or Windows versions exist). Download the iOS 4.2.1 IPSW for your specific device. Ensure you have the latest iTunes installed. Backup your data via iTunes.

(Old Bootrom preferred for untethered; new bootrom will be tethered) iPod touch 2G (Non-MC models preferred for untethered) iPod touch 3G (Tethered) iPod touch 4G (Tethered) iPhone 4 (Tethered) iPad 1 (Tethered) redsnow 0.9.6b6

To understand the importance of RedSn0w 0.9.6b6, one must understand the landscape of 2010. Apple had recently released the iPhone 4, a device that changed the smartphone industry with its Retina display and A4 chip. Alongside it came iOS 4, introducing multitasking and folders. This guide assumes your device is already running iOS 4

: This version leveraged the limera1n exploit developed by Geohot . Ensure you have the latest iTunes installed

This was a major hassle. It meant carrying a laptop on trips or being extremely careful about battery life. However, for owners of older devices like the iPhone 3G or the older-bootrom iPhone 3GS, RedSn0w 0.9.6b6 offered an experience. This distinction was vital; the tool was smart enough to detect the device model and apply the correct exploit, but it forced many iPhone 4 and late-bootrom 3GS users into the tethered lifestyle until an untethered solution (like Greenpois0n or later RedSn0w versions) arrived.