How to Jailbreak iOS 5.1 on iPhone 4, 3GS, iPod Touch 4G, 3G with RedSn0w

Through guide below you will learn how can you perform tethered jailbreak non-A5 devices iPhone 4, iPhone 3GS over iOS 5.1 with recently released RedSn0w 0.9.10b6.

Jailbreak iPhone 4, 3GS, iPod Touch 4G, 3G iOS 5.1 with RedSn0w




Connect your iPhone or iPod Touch to computer, launch iTunes, hold down “Shift” (Windows) / “Alt”/”Option (Mac) key and click “Restore” button in iTunes


Click on “Browse” to select the downloaded iOS 5.1 file, Restore process will start, so let it complete first

Note: Users with unlocked iPhone have to use Custom Firmware instead of stock firmware, which could be created with RedSn0w.


Open RedSn0w, click on “Jailbreak” button


Make sure your device is both OFF and Plugged into computer and then click on Next button


Now follow on-screen instructions to enter your iDevice into DFU mode

Hold Down the Power (Corner) button for 2 Seconds

Without releasing the Power button, also hold down the Home (Bottom Center) button for 5 seconds

Without releasing the Home button, release the Power button BUT KEEP holding the Home button for 14 seconds


When your iDevice gets entered into DFU mode, check mark the box followed by “Install Cydia”, and then click Next


RedSn0w starts jailbreak process and on completion your iDevice will be tethered jailbroken on iOS 5.1

How to Boot Tethered


Open Redsn0w and click “Extras” button


Click “Just boot” button and go Next


Follow on-screen instructions to enter into DFU mode


Your iDevice will reboot into tethered mode and done

5 comments… add one
Sleams March 10, 2012, 3:21 pm

Do we jailbreak iPad 1 on iOS 5.1?

Kouedy March 12, 2012, 4:26 pm

Yes we can jailbreak iPad 1 with RedSn0w 0.9.10b6 on iOS 5.1.

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