iPhone 3GS Unlock Baseband 05.16 02

Unlock iPhone 3GS
iPhone 3G baseband 5:16:02 can be unlocked. You need to upgrade their first baseband 6:15:00, a baseband iPad. Once the procedure is complete, you should seek ultrasn0w 1.2. Therefore, how to update 5:16:01 6:15:00 band to band iPad iPhone? There are some simple steps you should follow.
Unlock iPhone 3GS 5.16 02
iPhone 3G must be running IOS 4.2.1 or IOS 4.1. If your iPhone to a higher firmware, you need to lower it. IPSW IOS 4.2.1 or IOS 4.1 for value is to be downloaded. You will need to download redsn0w 0.9.6b5. Start the application. Select "Browse" button. Select the file you downloaded earlier value.
5.16 02 Unlock iPhone 3GS
Redsn0w select the firmware you provided. If you use the iPhone 3G has a new bootroom then select Yes when asked the next question. Redsn0w will work to identify the IPSW. Once the process is finished, you should select the "Next" option. The nucleus IPSW is now repaired by redsn0w. You are provided with a series of choices. Choose the one that says "Install iPad baseband". Now you need to select "Next". Connect iPhone to your computer. IPhone must be off. You must put your iPhone in DFU mode. IPad baseband will be made by redsn0w. Your iPhone will reboot automatically. Select "Finish" to close the redsn0w application. Now you can unlock your iPhone 3G with Ultrasn0w 1.2.