QUOTE(azraeil @ Jan 23 2012, 01:29 PM)
Be extra Careful. Your MUST (I cannot emphasize this enough) PRESERVE the 3Gs baseband. You have in your hand a 3Gs on an old baseband that can be unlocked via ultrasn0w, so whatever you do, you must NEVER EVER upgrade without preserving the baseband.
You can upgrade BUT you must follow the custom firmware guide carefully.
How to Jailbreak Your iPhone Without Updating the Baseband (Windows) [5.0.1]
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]
Good Luck!
one more ques, that is tethered jailbreak? You can upgrade BUT you must follow the custom firmware guide carefully.
How to Jailbreak Your iPhone Without Updating the Baseband (Windows) [5.0.1]
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]
Good Luck!
Jan 23 2012, 04:21 PM

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