GeekSn0w is a popular iOS 7.1.2 Jailbreak utility that's built upon winocm's opensn0w project and Geohot's limera1n exploit. GeekSn0w can Jailbreak all iPhone 4 models on Apple's latest public firmware, iOS 7.1.2. For latest news about Jailbreaking, visit Jailbreak Evasion Info's constantly updated Jailbreak iOS 9.2 category. To Jailbreak with GeekSn0w, simply download the iOS 7.1.2 tool to get started. Also, don't forget to view our Cydia Jailbreak Geekly Forum!

Link To Download for:

Official tutorial (thanks to iCrackuriDevice);
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Written guide

GeekSn0w supports: - iPhone 4