Apple has released OS 3.0 for iPhone 3G ,2G and iPod touch. Many people had already installed the update and their devices are working fine .We earlier provided links for downloading iPhone firmware for iPhone OS 3.0 and iPod touch .And here we have direct download links for iPhone OS 3.0/firmware 3.0 for iPhone 3G ,iPhone 2G and direct download link for iPod 1G and iPod 2G version of OS 3.0 .

In iTunes there is an option to save downloaded  iPhone OS 3.0 ipsw file . Here we have direct link to download OS 3.0  for iPhone 3G and iPod touch and save them for offline use .

Direct download link for OS 3.0 iPhone 3G (download firmware 3 ipsw)

Direct download link for OS 3.0 iPhone 2G  (download firmware 3 ipsw)

Direct download link for OS 3.0 iPod 1G (download firmware 3 ipsw)

Direct download link for OS 3.0 iPod 2G (download firmware 3 ipsw)

Direct download offline link of iPhone OS 3.0 for  iPhone 2G will be give as son as they appear in iPhone app store .Till then  you can install iPhone OS 3.0 with iTunes and good uninterrupted internet connection .

Update :Unlock OS 3.0 with Ultrasn0w .
Update :iPhone OS 3.1 released:  Direct download link .