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How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows

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How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows Empty How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows

Post by Boiragi.technology on Sat Mar 17, 2012 9:14 pm

How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows















<blockquote class="postcontent restore">
These are instructions on how to upgrade your iPhone 4 GSM or
iPhone 3GS to iOS 5.1 without updating your baseband using Windows.

Step One
Download the latest version of RedSn0w from here and place it in a Pwnage folder on your Desktop.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73117-500

Step Two
Download the iOS 5.1 firmware for your device from here and place it in the same Pwnage folder.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73118-500

Step Three
Extract the RedSn0w archive then right click the RedSn0w executable (from within the extracted folder) and select Run as Administrator to launch the application.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73119-500

How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73144

Step Four
Click Extras from the RedSn0w main menu.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73121

Step Five
Click Custom IPSW from the Extras menu.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73123

Step Six
Select your iOS 5.1 firmware from the Pwnage folder on your Desktop and click Open.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73125-500

Step Seven
RedSn0w will now customize an IPSW file for you.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73126

Step Eight
RedSn0w will inform you once your IPSW has been created successfully. Click the OK button.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73127-500

Step Nine
Click Pwned DFU from the Extras menu.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73129

Step Ten
Connect your device to the computer via USB and power it off. Then click the Next button to continue.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73130

Step Eleven
Hold down the Power button for 3 seconds.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73131

Step Twelve
Without releasing the Power button, also hold down the Home button for 10 seconds.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73132

Step Thirteen
Without releasing the Home button, release the Power button BUT KEEP
holding the Home button until your device is detect in DFU mode.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73134

Step Fourteen
You device will now be exploited with LimeRa1n.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73136

Step Fifteen
Once its done you will be in Pwned DFU mode.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73137

Step Sixteen
Launch iTunes by clicking its icon in the dock.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73115-64

Step Seventeen
Select your device from the list on the left, then hold down the Shift key and click Restore.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73138-500

Step Eighteen
Select the NO_BB custom IPSW from the Pwnage folder on your desktop and click Open.
How to Upgrade Your iPhone to iOS 5.1 Without Updating Your Baseband - Windows 73140-500

Step Nineteen
You iPhone will now be upgraded to iOS 5.1 without updating the baseband.
</blockquote>

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