welll im reallllyy behind and my iphone is a 2.2.1 right now and i just herd about this jailbreak me thing so i was wondering do you think if i take my iphone3g thats has a 2.2.1 jailbreak on it and go to jailbreak me to update it will it work....thank you so much
oh and will i loose my contacts and stuff..i have all my music on my computer so its all good...but i need my contacts

oh and will i loose my contacts and stuff..i have all my music on my computer so its all good...but i need my contacts