[HOW-TO] - Quickpwn iPhone 3G to Firmware 2.2 Using Mac OS 10.5.6

If you encounter a problem (stucked at Quickpwn process where it takes a long time), the solution is as below..

Check this --> How to Jailbreak your iPhone 3G with Quickpwn (Mac) [Updated 2.2] 

If you are using a direct USB connection to from your iPhone to the Mac with OS 10.5.6, you might stucked at Step 13 (no progress appears...just a blank screen). Its because the 10.5.6 have problem with USB connection.

Thus, a simple solution would be to connect the iPhone 3G via a USB Hub. Voila!!