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The iPhone Dev-Team has just released redsn0w 0.9.4 to jailbreak and unlock iPhone 2G, iPhone 3G (No unlock for 3G), iPod touch 1G and iPod touch 2G (older Non-MC models only). Do not update to iPhone 3.1.3 firmware yet if you want to preserve your unlock for iPhone 3GS, iPhone 3G, iPod touch 2G (new models) and iPod touch 3G. This is because the new iPhone 3.1.3 firmware updates baseband to 05.12.01 on iPhone 3GS and iPhone 3G which makes it impossible to jailbreak and unlock iPhone 3GS and 3G.

Jailbreak iPhone 3.1.3 Redsn0w 0.9.4

Follow the simply step by step instructions below to 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 doing so will make you loose your unlock.

Note: In this guide I have used redsn0w 0.9.4. If this version gives you problem on iPhone 2G and iPod touch 1G, then try redsn0w 0.9.3. Download redsn0w 0.9.3 from here and then follow the instructions as follows.

NOTE: The instructions posted here almost similar to the one we posted earlier with redsn0w 0.9.3 for iPhone 2G and iPod touch 1G/2G. The only difference here is that we are using the latest redsn0w 0.9.4 from Dev-Team which is specially released for this firmware update.

Step 1: Update to original iPhone 3.1.3 firmware via iTunes. Downloading and installation instructions for iPhone 3.1.3 firmware can be found from here.

iPhone 3.1.3 Firmware

Step 2: Start redsn0w 0.9.4 and point it to the respective original iPhone 3.1.2 firmware to proceed. Yes you need to point it to iPhone 3.1.2 instead of 3.1.3 because redsn0w 0.9.4 is still unable to validate the latest firmware.

redsn0w 0.9.4

Step 3: Now select “Install Cydia”, “Unlock” and “Already pwned” options for iPhone 2G.

redsn0w 0.9.4

Step 4: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

Step 5: Connect your device in recovery mode by pressing the Power and buttons continuously.

redsn0w 0.9.4 (2)

At this stage you will be presented with a screen where you will have to quickly hold “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.

Step 6: Sit back and enjoy while redsn0w will do all the rest for you. Once done, your iPhone 2G will restart automatically and you will find it jailbroken with iPhone firmware version 3.1.3.

Unlock for iPhone 2G Only
Step 7:
Once you are done with the jailbreak, you can now unlock your iPhone 2G running jailbroken firmware 3.1.3 by using BootNeuter app from Cydia. Follow the instructions from Step 4 here to unlock iPhone 2G on 3.1.3 firmware.

Disclaimer: This guide is for testing & educational purposes only. I’m not responsible for any loss of important data or malfunctioning of your iPhone.

Note for iPhone 3G and 3GS Users: We strongly suggest that you stay away from this official upgrade until and unless the DevTeam or George Hotz releases new jailbreaking and unlocking tools for 3.1.3 firmware. We will let you know when it will happen. In the meantime you can follow our complete jailbreaking and unlocking guide for iPhone 3.1.2 firmware using blackra1n, PwnageTool, redsn0w, sn0wbreeze, ultrasn0w and blacksn0w.

UPDATE 1: Sn0wbreeze 3.1.3 -V1.3 is LIVE! Follow the guide posted here to jailbreak iPhone 2G, 3G and iPhone 3GS (older bootrom only) on iPhone 3.1.3 firmware. iPhone 3G and 3GS can then be unlocked using ultrasn0w or blacksn0w. iPhone 2G can be unlocked using the guide posted here.

UPDATE 2: PwnageTool 3.1.5 for Mac OS X is now LIVE! Follow our complete step by step guide posted here to jailbreak and unlock iPhone 2G, 3G, 3GS and iPod touch 1G, 2G on iPhone OS 3.1.3.

UPDATE 3: Is GreenPois0n going to Jailbreak iPhone 3.2 and iPad Untethered? More info here.

UPDATE 4: Geohot has a working solution for iPhone 3.1.3 / 3.2 on the new baseband and bootrom. Here is a video of it in action.

UPDATE 5: iPhone OS 4 has been announced. Download iPhone OS 4 Beta Developers Preview for iPhone and iPod touch here. Jailbreak iPhone OS 4 Analysis can be found here.

UPDATE 6: Jailbreak iPhone OS 4 with Redsn0w 0.9.5 is here. Step by step instructions can be found here.

UPDATE 7: Unlock iPhone OS 4.0 for iPhone 3G with ultrasn0w is possible, provided that you have one of those rare 05.08 Bootloader 3G, whose baseband is downgradable to 04.26.08 from 05.13.03 using Fuzzyband. Step by step guide can be found here.

UPDATE 8: Spirit Jailbreak tool has been Released. You can jailbreak all iDevices including iPhone 3G/3GS, iPod touch 2G/3G and iPad on OS 3.2. iPhone unlockers should stay away!

Download iTunes 9.0.3 for Windows and Mac
Download the Original iPhone OS 3.1.3 firmware for iPhone
Download the Original iPhone OS 3.1.2 firmware for iPhone
Download redsn0w 0.9.4 for Windows [Fast Mirror link]
Download redsn0w 0.9.4 for Mac [Fast Mirror link]

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