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1. First, make sure you have upgraded to iTunes version 8.2 and backup your iPhone data by synchronizing it with iTunes.

Tip: If you’re upgrading the iPhone from older version of firmware, make sure you sync the iPhone with iTunes. This ensures all your SMS, contacts and applications can be restored after the firmware upgrade.

2. Download Redsn0w 0.7.2 (or download from here) and  Bootloader 3.9 & 4.6. Save them all in the same folder. And unzip redsn0w-win_0.7.2.zip. So make sure you have all the files in place before proceeding to next step.

Installing iPhone 3.0 OS via iTunes

3. Next, connect your iPhone to your computer via USB cable and launch iTunes. Select your iPhone in iTunes.

4. Now, hold the SHIFT key and click the “Restore” button. iTunes will launch a file dialog for you to select the firmware file. Locate the “iPhone1,1_3.0_7A341_Restore.ipsw” for iPhone 2G or “iPhone1,2_3.0_7A341_Restore.ipsw” for iPhone 3G that you have downloaded in step 2 and click “Open”.

5. iTunes will then restore your iPhone with firmware 3.0 (or what so called iPhone 3.0 OS). Keep your iPhone connected, don’t touch it and wait until the process completes.

Jailbreaking with Redsn0w

6. Now, your iPhone should be completely restored to firmware 3.0. But it’s not activated right now as you can see from iTunes.

So, what you’re going to do next is to use Redsn0w to activate and jailbreak it. But before proceeding to next step, please power off your iPhone (but keep it connected with USB cable).

7. Next, launch Redsn0w to start jailbreak & unlock.

8. Once launched, click the “Browse” button and select the firmware file that you have downloaded. For iPhone 2G, please locate the “iPhone1,1_3.0_7A341_Restore.ipsw”. And, for iPhone 3G, please use “iPhone1,2_3.0_7A341_Restore.ipsw”

Redsn0w will then verify the firmware file. If it’s correct, redsn0w will show the message “IPSW successfully identified”. Then click “Next” button to continue.

9. Next, you’ll need to select the jailbreak option. For iPhone 2G, please select both “Install Cydia” and “Unlock” option. For iPhone 3G, please only select “Install Cydia” option (actually the “Unlock” option is not available for iPhone 3G). Click “Next” button to proceed.

10. Please select the bootloader files that you have downloaded in step 2.

Note: This step is for iPhone 2G only. For iPhone 3G user, this step is skipped.

Put iPhone into DFU Mode

11. Next, redsn0w will instruct you to put your iPhone into DFU mode. Ensure your iPhone is connected (via USB) and it’s turned OFF. If you’re ready, click “Next” to continue.

12. Follow the instructions to put your iPhone into DFU mode.

Tip: You may not be able to put the iPhone into DFU mode for the first trial. Don’t worry. Simply click the “Back” button to go back and try to follow the instructions again. Redsn0w will start the jailbreak process only if it detects your iPhone is properly put into DFU mode.

13. If you have successfully put the iPhone into DFU mode, redsn0w will automatically start the jailbreak process.

14. While jailbreaking, your iPhone will show downloading jailbreak data, flashing NOR, etc. And, just don’t touch your iPhone and keep waiting.

15. Once completed, redsn0w will let you know the jailbreak process is successful. Your iPhone will be restarted and automatically launch BootNeuter to perform unlock. This process will take 3-5 minutes to complete. Be patient. When complete, your iPhone will be rebooted.

16. Congratulation, you’ve completed the jailbreak process for iPhone 3.0 OS. As you can see from the home screen, you now get the new Voice memo application, which is introduced in iPhone 3.0.

17. Lastly, sync back your backup data with iTunes and restore all your contacts & SMS.

Hope you’ll have a smooth jailbreak process. As always, leave me message and share your jailbreak experience.

The new Mac OS system is coming in September 2009!!!

It’s much better than Windows XP, Vista and possibly 7…

has so much features with fast and reliable system programs and healthy for Mac computers.

Ohh Don’t I look like Micheal Jackson?