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  1. 07-31-2011, 02:00 AM #1
    Jaddy06
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    Default Upgrading from IOS 4.0.1

    I am currently using iphone 3GS on ios 4.0.1....i have shsh saved for all the versions from 3.1.3, 4.0.1, 4.1, 4.2.1+,4.3.5...i want to upgrade to 4.2.1 version...please give me step by step guide on how to jailbreak and unlock..thanks and regards
    Last edited by Jaddy06; 07-31-2011 at 03:45 AM.
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  2. 07-31-2011, 11:16 AM #2
    iYeow
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    Using TU , download all the blobs
    Start tss server
    Download stock 4.2.1 and download Snowbreeze 2.2.1 and creeate a custom fw
    Use redsn0w RC8 to put iphone into dfu mode , not to jailbreak just pwned dfu.
    Run itunes and shift + restore to custom fw of 4.2.1
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« SHSH Blobs | Upgrading from 4.2.1 to 4.3.3 without losing media, settings etc. »

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