How to UPGRADE and UNLOCK iPhone 3G/S 4.1 (05.14.02)

How to UPGRADE and UNLOCK iPhone 3G/S 4.1 (05.14.02)


UPDATE:
OFFLINE BASEBAND UPDATE

Tools Needed:

1. Jailbroken Quick Tool 1.8 > [You must be registered and logged in to see this link.]
Patch 1.8.2 > [You must be registered and logged in to see this link.]

2. redsn0w_win_0.9.6b6 > [You must be registered and logged in to see this link.]
3. IPSW 4.1/4.2.1 > [You must be registered and logged in to see this link.]

Procedure:

1. Install Jailbroken Quick Tool
2. Run Patch and install
3. Open Jailbroken Quick Tool
4. Click Chicken Baseband 2.1
5. Drag and Drop redsn0w_win_0.9.6b6
6. Browse IPSW 4.1/4.2.1, Next
7. Click Install iPad Baseband and click YES
8. Next and FOLLOW RESDSNOW procedure
9. Done

Good share. I would like to share my iPhone unlocking experience here. I unlocked my iPhone using remote unlocking service. I got the remote unlocking service for my iPhone from mobileunlocksolutions.com This method of unlocking was safe, simple, affordable, quick and permanent. It didn't require a jailbreak too.