How to Jailbreak Your iPhone 3G on OS 3.1.2, 3.1.3 Using RedSn0w (Windows)

How to Jailbreak Your iPhone 3G on OS 3.1.2, 3.1.3 Using RedSn0w (Windows)

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Raggae - June 23, 2011 at 8:27am
Pl answer: If I attempt to jailbreak my iphone 3g(3.1.3), will I lose all data i.e contacts, calendar entries, SMS.. ?If yes, then where n how do I transfer my data to be uploaded again after jailbreaking? thanx