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How to Jailbreak iOS 5 On iPhone Without Updating the Baseband (Mac)

These are instructions on how to jailbreak your iPhone 3GS or iPhone 4 on iOS 5 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 0.9.9b5 from here and place it in the Pwnage folder. Likewise, download the 5.0 firmware from here and place it in the Pwnage folder.
Extract the RedSn0w zip file by double clicking it.

RedSn0w_Jailbreak_iOS5

Step Two
Launch the redsn0w application from the redsn0w folder we just extracted.

Step Three
Click to select Extras from the main menu.

RedS0w_0.9.9b5

Step Four
Click to select Custom IPSW from the Extras menu.

RedS0w_0.9.9b5_1

Step Five
Navigate to the Pwnage folder on your desktop and select the iOS 5 IPSW we downloaded then click Open.

RedSn0w_Jailbreak_iOS5_2

Step Six
RedSn0w will now begin building a custom IPSW for you.

loading

extracting

Step Seven
You’ll be notified once RedSn0w has completed building your IPSW. Click the OK button.

IPSW_Created

pwnage

Step Eight
Click the Pwned DFU button from the Extras menu.

RedS0w_0.9.9b5_1

Step Nine
Plug your iPhone into the computer and make sure its OFF then click the Next button

RedSn0w_Jailbreak_iOS5_3

Step Ten
RedSn0w will now guide you through the steps to get into DFU mode. You can find more help with DFU mode here

RedSn0w_Jailbreak_iOS5_DFU

Hold down both the Home button and the Power button for 10 seconds.

RedSn0w_Jailbreak_iOS5_DFU_2

Release the Power button and continue holding the Home button until RedSn0w detects the device.

RedSn0w_Jailbreak_iOS5_DFU_3

Step Eleven
RedSn0w will run the LimeRa1n exploit.

exploiting_with_limera1n

Step Twelve
You’ll then be notified that your iPhone is in Pwned DFU mode.

in_pwned_dfu

Step Thirteen
Launch iTunes by clicking its icon in your dock.

Step Fourteen
Select your device from the list on the left then under the Summary tab hold down the Option key and click theRestore button.

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.

NO_BB

Step Sixteen
iTunes will now restore and jailbreak your device using the Custom IPSW.

ERASE_AND_RESTORE

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.

RedS0w_0.9.9b5

Step Two
Select Just boot from the Extras menu to just boot tethered.

RedS0w_0.9.9b5_1

*As usual a big thanks to the iPhone Dev-Team and Geohot for their hard work and contribution to the iPhone community.

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How to Jailbreak iOS 5 On iPhone 4, 3GS, iPad, iPod touch 3G/ 4G Using RedSn0w

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About 3raser

(Cracker) - I am Richard (3raser), editor at iPlayPlus.net. I crack popular iOS apps, games and posted on here for free.

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