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Thread: Slow & laggy iphone 3G 3.1 Modem Firmware: 05.11.07

  1. #1
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    Default Slow & laggy iphone 3G 3.1 Modem Firmware: 05.11.07
    Hi

    Noobie here,

    Bought an unlocked and jailbroken iphone which has worked great but lately has been acting real slow and laggy. I have deleted all the apps and resetted it by holding sleep key and home button. I have deleted Winterboard but kept Cydia. There is 9 GB still available.

    I was thinking to restoring to factory settings via iTunes and re-do the unlocking and jailbreaking but in reading through the forums iTunes will automatically upgrade to 3.1.3 and I will lose the unlock.

    How can I restore it back to 3.1 with the unlock & jailbreak? Does it need to be on 3.1 or another version such as 3.1.2? Is the iphone laggy because its on 3.1 or is it irrelavent?

    iphone:

    3G
    Version : 3.1 (7C144)
    Modem Firmware: 05.11.07

    iTunes version : 9.1.1.12 using Windows Vista

    Thanks in advance!

  2. #2
    Livin the iPhone Life jkmonkey's Avatar
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    A 3G can be restored to any firmware you want. Just download a 3.1.2 firmware from the downloads section of this site. Then hold down shift while you click restore in iTunes and browse to where you saved the file. Once it's restored jailbreak with spirit and install blacksn0w RC2 from Cydia to unlock.

  3. The Following User Says Thank You to jkmonkey For This Useful Post:

    rickye (2010-05-29)

  4. #3
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    Thanks jkmonkey!!!

    My iphone is reborn!!!

  5. #4
    Livin the iPhone Life jkmonkey's Avatar
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    Woooooooo glad to hear everything went well for you.

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