Yesterday we have informed about the upcoming release of iPhone iOS 4 in a short time, at last iOS 4 has been launched today and we have managed to provide the direct link for the upgrade. Below are the iOS 4 update link according to the device and model you can choose and download accordingly;

Download iOS 4 for iPhone 3GS  (378 MB)

Download iOS 4 for iPhone 3G    (292 MB)

Download iOS 4 for iPod Touch 3G   (366 MB)

Download iOS 4 for iPod Touch 2G   (315 MB)

In-order to download the files with maximum speed you are advised to use download manager else simple windows download will take much time in downloading these files.

Updating to iOS 4 manually :

1. Connect your iPhone/iPod with computer and start iTunes 9.2
2. Select your device with iTunes and click update button while holding the Shift key (in Windows) and Option key (in Mac).
3. Navigate to the recently downloaded iOS 4 file and select open option to proceed to installation.
4. Relax back, Now your device will start updating.

via WebTrickz