How To Upgrade To iOS 5 [ iPhone 4, 3GS, iPod Touch 4G, 3G & iPad 2 ]

Well, after releasing iOS 5 beta few weeks ago, it was available for users who only have developer accounts but now if don't have these accounts you can also upgrade to iOS 5.

This backdoor uses a security exploit in the activation screen.

How to upgrade to iOS 5 for iPhone 4, 3GS, iPod touch 4G, 3G and iPad  1 & 2:

Step 1: Download the iOS 5 IPSW file for iPhone 4 and iTunes 10.5 - Click Here.
Step 2: Install iTunes from the downloaded DMG file.
Step 3: Update your phone with itunes by connecting it and clicking on the "Check for Update" button while holding down the Option key (Shift on a PC). Select the iOS5 IPSW you just downloaded and confirm.

How to Activate iOS 5 without developer account

Step 1: Triple click the home button to activate Voice Over
Step 2: Triple click the home button and Emergency Call will appear.
Step 3: Click on Emergency Call and, while it's switching, swipe with your three fingers down.
Step 4: The Notification Center will appear!
Step 5: Click on the Weather widget and wait for the weather app to load.
Step 6: Click on the home button to exit to the iPhone's springboard.

And now you have iOS 5 running on your device, enjoy it ...