[ Working ] Procedure Jailbreak and Unlock iPhone 3.1.3 Firmware Using Redsnow 0.9.4

by abhishek bhatnagar on February 4, 2010

iPhone Dev Team has recently released redsn0w 0.9.4 which allows you to jailbreak iphone os 3.1.3, apple has rolled out the new firmware 3.1.3 you can read the changes in this new firmware  here

You can use redsn0w 0.9.4 to jailbreak and unlock iphone 2G, or jailbreak iphone 3G but cannot unlock it now or jailbreak iPod touch 1G and iPod touch 2G (older models whose serial number does not start with MC )

Warning: So you should not update to iPhone 3.1.3 os to preserve your unlock for iPhone 3GS, iPhone 3G, iPod touch 2G (new models) and iPod touch 3G.  As the new iPhone 3.1.3 firmware updates the baseband to 05.12.01 on iPhone 3GS and iPhone 3G which cannot be unlocked now.

Here is the how you can  jailbreak and unlock iPhone 2G, jailbreak iPod 1G/2G (older models only) on 3.1.3 firmware, You can also jailbreak iPhone 3G with redsn0w 0.9.4 but you will not be able to unlock now.

First Download all The Required softwares

1. iTunes Latest Version [ 0.9.3 ]

2. download redsn0w 0.9.4 for Windows or for Mac 

3.  download iphone os 3.1.2

iPhone 3.1.2 download (241 MB)

iPhone 3G 3.1.2 download (242 MB)

iPhone 3GS 3.1 download (306 MB)

4. download iphone os 3.1.3

Download iPhone 2G 3.1.3 OS

Download iPhone 3G 3.1.3 OS

Download iPhone 3GS 3.1.3 OS

Follow the procedure fo r the jailbreaking your device

1. First you will need to update to the latest 3.1.3 firmware via iTunes via update or restore. 


2. Run redsn0w 0.9.4  and now point to original iPhone 3.1.2 firmware which you have downloaded . Yes you need to point it to iPhone 3.1.2 firmware as 3.1.3 firmware is not recognised by redsn0w 0.9.4 till now.


3. When redsn0w ask to select what you like to have on your iphone, select Install Cydia and Already pwned if you had jailbreaked before

4. Now switch off your iphone but make sure that it is while it is plugged in to computer and click Next on redsn0w

5. Now follow the on screen instructions and redsn0w will start patching firmware and kernel.

6. redsn0w will do jailbreaking process and it will prompt the “Done” message once jailbreaking completed.

How To Unlock your iPhone 2G

1. Open Cydia and install “BootNeuter” package by iphone dev team

2. Restart your iPhone and when BootNeuter starts set the following settings as show in the screenshot below


3. That’s it now you have jailbreaked and unlocked your iphone

abhishek bhatnagar

I love to write about latest technology gadgets and smartphones and tablets. I play around with technology and try to learn and express my views on the same. You can connect with me at twitter or on google+ profile or know me more on www.abhishekbhatnagar.com

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