How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

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These are instructions on how to jailbreak your iPhone 3GS or iPhone 4 on iOS 5.0.1 without updating the baseband using RedSn0w for Mac. You may want to do this to preserve an unlock from a lower baseband version.

Please note this jailbreak is tethered for every device but the old bootrom iPhone 3GS which means you will need to connect your device to the computer each time you reboot. Also, it may be prudent to save your SHSH Blobs by following this tutorial before continuing if you haven't already.

If you want to jailbreak a lower firmware version you can find the appropriate tutorial here.


Step One
Create a folder on your desktop called Pwnage

Download RedSn0w 0.9.9b9d or higher from here and place it in the Pwnage folder. Likewise, download the 5.0.1 firmware from here and place it in the Pwnage folder.

Extract the RedSn0w zip file by double clicking it.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Two
Launch the redsn0w application from the redsn0w folder we just extracted.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Three
Click to select Extras from the main menu.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Four
Click to select Custom IPSW from the Extras menu.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Five
Navigate to the Pwnage folder on your desktop and select the IPSW we downloaded then click Open.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

If you are using the iPhone 3GS you may be asked to identify whether you are on a newer or older model.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Six
RedSn0w will now begin building a custom IPSW for you.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Seven
You'll be notified once RedSn0w has completed building your IPSW. Click the OK button.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Eight
Click the Pwned DFU button from the Extras menu.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Nine
Plug your iPhone into the computer and make sure its OFF then click the Next button
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Ten
RedSn0w will now guide you through the steps to get into DFU mode. You can find more help with DFU mode here
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Hold down both the Home button and the Power button for 10 seconds.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Release the Power button and continue holding the Home button until RedSn0w detects the device.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Eleven
RedSn0w will run the LimeRa1n exploit.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Twelve
You'll then be notified that your iPhone is in Pwned DFU mode.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Thirteen
Launch iTunes by clicking its icon in your dock.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Fourteen
Select your device from the list on the left then under the Summary tab hold down the Option key and click the Restore button.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Fifteen
You will then be asked to select your IPSW for restore. Navigate to the Pwnage folder on your desktop and select the IPSW that begins with NO_BB then click the Open button.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Sixteen
iTunes will now restore and jailbreak your device using the Custom IPSW.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]


JAILBREAK AND INSTALL CYDIA
Follow these instructions to jailbreak your device on the new iOS 5.0.1 firmware.
- iPhone 4
- iPhone 3GS

BOOT TETHERED
Once you have jailbroken you will need to rerun redsn0w to boot tethered.

Step One
From the main RedSn0w menu click the Extras button.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]

Step Two
Select Just boot from the Extras menu to just boot tethered.
How to Jailbreak Your iPhone Without Updating the Baseband (Mac) [5.0.1]


UNLOCK:
If you have a supported baseband you can now install UltraSn0w to unlock your device. Instructions are here.


*As usual a big thanks to the iPhone Dev-Team and Geohot for their hard work and contribution to the iPhone community.
itayms - March 27, 2013 at 6:04pm
try this one, http://www.rapidunlockers.com/ I have unlocked my phone there. very fast service (about 6 hours total) and cheap, now i can update to any version without having to worry that my phone will be locked ever again. Only 9.99 for phone unlocks!
Juiceky - January 25, 2012 at 10:55pm
I'm getting a corrupt file warning from iTunes 10.5.3 after I go thru the customizing IPSW process in redsn0w. It doesn't seem to like the NO_BB version. Any thoughts? Downgrade to 10.5.1? I'm JB and Using 5.0.1 for the new IPSW I have 4.3.5 and 4.10.01 on Gevey untethered unlock. I am redownloading the restore file and re customizing it in Redsn0w. Will comment back if it changes but any advice would be great.
juiceky - January 27, 2012 at 12:49am
all good. Re downloaded and customized IPSW via Redsn0w worked with this method exactly as published above. Note: install furiousmod and orona before restarting per applenberry instructions Thanks to all involved at devteam and iclarified for the great work!
juiceky - January 27, 2012 at 12:56am
sorry: Install furiousmod and Corona (in that order) before following gevey restart tips. The reboot required for Corona allowed the furiousmod to get Gevey going *this assumes you have the sim and gevey sim inserted prior to beginning the whole thing. I have tmobile $30 unlimited data plan & text with 100 min talk time (Wal-mart) Not sure if iphone allows 3g but still, unlocked 5.0.1 with 4.10.01 baseband on EDGE working great
mambous - January 16, 2012 at 9:00pm
I continuously receive this message, when trying to restore from custom file. The iPhone "iPhone" cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable
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