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Thread: How to upgrade Jailbroken Iphone 4.0 to 4.2

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I had bought Iphone 4 with OS 4.0 and i jailbroken it with JailbreakMe I want to upgrade my 4.0.1 to latest 4.2 atleast. My modem band is 01.59.00 Please
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  1. #1
    Green Apple
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    Default How to upgrade Jailbroken Iphone 4.0 to 4.2
    I had bought Iphone 4 with OS 4.0 and i jailbroken it with JailbreakMe I want to upgrade my 4.0.1 to latest 4.2 atleast.

    My modem band is 01.59.00

    Please assist me... looking forward for step by step guide.

    Thanks,

  2. #2
    Superbad Modder-ator Simon's Avatar
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    Do you have 4.2.1 SHSH and are you on official carrier or do you need to unlock?

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    Green Apple
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    its unlocked ... i had used jailbreakme.com to do all that...

    I am not sure if i would need SHH... thanks for the reply and look for your assistance

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    Superbad Modder-ator Simon's Avatar
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    So you need to preserve your baseband then. First step is to determine what SHSH you have. Download tiny umbrella, connect your device and press save SHSH to find out.

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    Green Apple
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    Iphone4 4.1 (8B117)
    Iphone4 4.2.1 (8C148)
    Iphone4 4.2b3 (8C5115c)

    Model MC603C/A - Iphone4

    CYDIA DOES NOT HAVE YOUR SHSH FOR iPhone4 4.0.1 (8A306) THERE IS NO WAY FOR YOU TO GET THEM. SORRY. YOU ARE JUST TOO LATE

    what does that mean? it was in TINY UMBERELLA log
    Last edited by sameer1977; 03-18-2011 at 10:34 AM. Reason: Automerged Doublepost

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    Superbad Modder-ator Simon's Avatar
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    That means you are good to restore to 4.2.1. Just make a custom 4.2.1 with either pwnage tool or snowbreeze and restore to that custom firmware. It will preserve your baseband so that you can still unlock.

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    Green Apple
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    can you give me the link to get 4.2.1 and snowbreeze.. or pwnage.. please

    it says " PANIC: We are hanging here"
    Last edited by sameer1977; 03-18-2011 at 10:47 AM. Reason: Automerged Doublepost

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    Superbad Modder-ator Simon's Avatar
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    Do you have a Mac or windows? You can get the regular 4.2.1 from the downloads section at top of this page.

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    Green Apple
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    i have win i installed snowbreez and ran it.. it said:

    "PANIC: We are hanging here"

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    Superbad Modder-ator Simon's Avatar
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    installed it? snowbreeze is a standalone program, no need to install. Get it from here: iH8sn0w.com | Jailbreak your iPod touches and iPhones

    Tutorial: HOW TO: Use Sn0wbreeze To Untethered Jailbreak iOS 4.2.1 [video] | FSMdotCOM
    Last edited by Simon; 03-18-2011 at 10:57 AM. Reason: Automerged Doublepost

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    Green Apple
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    err..following the video link.. will let you know

    aaaaa.. my phone is locked..emergency call window came!! HELPPPP

    itune and cord sign!! HELPPP
    Last edited by sameer1977; 03-18-2011 at 12:02 PM. Reason: Automerged Doublepost

  12. #12
    Superbad Modder-ator Simon's Avatar
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    Do you have a official carrier sim to activate with?

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    Green Apple
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    oh sorry.. it wanted my SIM CODE... it was in arabic so couldn't understand .. THANK YOU VERY MUCH for you support..I really appreciate your assistance.

  14. #14
    Superbad Modder-ator Simon's Avatar
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    So you are all good then?

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    Green Apple
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    I am perfecto !! thanks

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    no prob

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