Jailbreak iphone 3g?

    Hi I have a 3g which i downgraded from os4 to 3.1.3 and i want to jailbreak it. Im just concerned that it will interfere with the official o2 unlock and 3's cellular data? Anyone got any suggestions for what to use also is there any impact upon battery life as all i really want to do is get some apps?


    If you are concerned then my advice is not to do it!

    Original Poster Banned

    not really what i was after more advice on whether it is likely to affect it? and which options are the most reliable as there are quite a lot?

    I have jailbroken a 3g and used it on 3 without it affecting the unlock or data settings.

    Some good tutorials on

    How did you downgrade?

    I have a 3gs with 4.0 and cant downgrade to 3.1.2
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