iPhone users and iPod Touch users were desperately waiting for an official announcement of new firmware update at Apple’s latest creation event. Apple didn’t announce anything in the event except the much rumored iPad.
Today, they have finally released a small firmware update, iPhone OS 3.1.3 for all the users. It fixes many bugs such as iPhone 3GS battery level reporting, app crashes during launch etc.
You can download iPhone 3.1.3 firmware .ipsw files from following links.
Note: For those who want to jailbreak or unlock their iPhone 3.1.3 firmware, wait for my guide.