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How to Unlock/Jailbreak Your iPhone 2G on OS 3.0 Using RedSn0w (Mac)

If you are using Mac here’s here’s how you can unlock and jailbreak your iPhone 2G on the 3.0 iPhone firmware using RedSn0w. Just in case you have Windows you can also use our guide on unlocking iPhone 2G on 3.0 firmware.

Download the following files before you proceed.
- RedSn0w
- BL 3.9
- BL 4.6
- 3.0.0 (2G): iPhone1,1_3.0_7A341_Restore.ipsw

Make a new folder named Pwnage or any other name you like then place all these files there.  Now extract  the RedSn0w zip file to the Pwnage folder.

1. First step is to connect your iPhone to your computer and launch iTunes, make sure you have iTunes 8.2 or else update will fail.

2. Now select your iPhone from the list of devices on the left and hold down Option and click the Restore button.

3. Now browse to your Pwnage folder on your desktop and select the firmware ipsw. Click the Open button to start the restore process.

4. Once updating of the iPhone is finished,  you may proceed to launch redsnw0w.exe from the Pwnage folder on your desktop.

5. Once RedSn0w opens click the Browse button.

6. Now select the same firmware ipsw  in the Pwnage folder on our desktop then click Open

7. Make sure Cydia and Unlock is selected and click the Next button.

8. Now in the next page select the location of both the bootloader files. Click the Next button to continue.

9. Now make sure your iPhone is switched off and plugged into your computer.

10. Next up Redsnow will guide you to through the DFU process. Do exactly as the guide says and your iPhone should be in DFU mode.

11. Your iPhone will now reboot after the DFU process.

12. RedSn0w will then begin uploading the new RAM Disk.

13 . Once its completed you will be notified that RedSn0w is done. Click the Finish button.

After your iPhone reboots it will start the  BootNeuter then your iPhone will be unlocked and jailbroken with Cydia on the SpringBoard. Enjoy!!

via iPhone Devteam

Pranjal