iPhone 3.1.2 OS Released [ Download ]

In just a little under a month after iPhone OS 3.1 was released, Apple has just released an update for the iPhone OS, upgrading it to 3.1.2. This update fixes the widely reported issue where the iPhone would not wake from sleep, and also fixes an issue involving video playback and cellular service. This update is available for the original iPhone, iPhone 3G and iPhone 3GS, and the iPod touch.

Update: There's also an carrier settings update (which does not seem to do anything) and an update to the iPhone SDK on the iPhone Dev Center.

Jailbreakers and unlockers must stay away from this update until there is any update from Dev Team. Those users who don’t care about jailbreak may use below direct download links for iPhone 3.1.2.

In order to update your iPhone & iPod Touch connect to PC and start iTunes . Update message will be displayed select on update and accept license and wait for iTunes to download OS 8.1.2 update.

Direct Download Links for iPhone OS 3.1.2

iPhone 3.1.2 download (iPhone1,1_3.1.2_7D11_Restore.ipsw, 241 MB)

iPhone 3G 3.1.2 download (iPhone1,2_3.1.2_7D11_Restore.ipsw, 242 MB)

iPhone 3GS 3.1 download (iPhone2,1_3.1.2_7D11_Restore.ipsw, 306 MB)