The Current Status Of iOS 4.2.1 Jailbreak for iPad [Cydia Apps, Compatibility List] - MacStories
iOS 4 - Wikipedia
Jailbreak iPhone iOS 4.2.1 with RedSn0w
Jailbreak del firmware 4.2.1 su iPhone (3G, 3GS, 4) iPod Touch(2G, 3G, 4G) e iPad con Redsn0w [MAC & WINDOWS] | Guide
iOS 4.0.2/4.1/4.2.1 Jailbreak Tutorial (Working in 2024) - YouTube
Question] Found an iPhone 3G On iOS 4.2.1 What should I do with it : r/ jailbreak
3GS iPhone 4.2.1 tethered jailbreak and unlock that works without battery drain problem – @sepdek's
question] is it still possible to jailbreak iPod Touch 2G (MC) model ? my version is 4.2.1. this model is also downgradable to 4.1 so that could work too. Thank you! : r/LegacyJailbreak
GUIDA: eseguire il jailbreak untethered di iOS 4.2.1 su Window con Sn0wbreeze 2.2 - iPhone Italia
How to Jailbreak Any iOS 4.2.1 Device with Redsn0w 0.9.6b4 (iPhone, iPad or iPod Touch) « Smartphones :: Gadget Hacks
Install Cracked Apps on iOS 4.2.1 with AppSync 4.2 - John's Phone - The World's Simplest Cell Phone
Effettuare il jailbreak di iOS 4.2.1 GM con Redsn0w 0.9.6b2 [GUIDA - Mac] - iPhone Italia
Dev Team Posts Important Updates on iOS 4.2.1 Jailbreak & Unlock