whats the best jailbreaking software for the iphone 3g version 4.1 iOs?

Jakegreen

New member
i tryed limera1n and blackra1n, but my phones screen just stays black and when i turn it back on all my information is reset. so i have nothing left. is there a jailbreaking program that wont lose all my infomation(contacts, music, apps ect.)
 
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