Few hours are left for final OS 3.0 release and good news about iPhone jailbreakers & unlockers is that iPhone Dev team is ready with QuickPWN & Pwnagetool to jailbreaking iPhone Firmware 3.0 also new unlock Tool ultrasn0w is getting ready under iPhone Dev Team roof.
Here is simple guide for those Users who will be first time upgrading their iPhone 2.2 or 2.2.1 to firmware 3.0. The guide is applicable for Upgrading iPhone 2G/3G 2.2 or 2.2.1 to OS 3.0 and also for iPod Touch. Please note in order to upgrade iPhone to firmware 3.0 you must have installed iTunes 8.2.
How to Upgrade iPhone 3G 2.2/2.1 to 3.0 firmware
1. Connect your iPhone 3G to computer
2. Open iTunes 8.2
3. Select your iPhone under Devices in the Source List on the left.
4. In the iPhone Summary pane, click Check for Update.
5. Click Download and Install. Do not disconnect your iPhone until the update has finished
That’s it, Once update is finished your will have iPhone 3G running latest firmware 3.0.
Upgrade to firmware 3.0 is free for iPhone 2G /3G users however iPot Touch users need to pay $10 to upgrade to OS 3.0
Please Note: Above guide is for those users who do not intend to unlock or jailbreak their iPhone’s.