iphone 3.1.3 update is available or is just a rumor

Yes, iphone has released its 3.1.3 firmware update for theiPhone, ipod and other devices. You can get the update from itunes. This update is going to fix many issues, fixing only the accuracy of the 3GS battery meter and the stability of some third-party app launches which are exciting enough. But you need to take certain precautions in some cases like do not update your iPhone to OS 3.1.3 if your phone is currently jailbroken or unlocked on firmware 3.1.2. Wait for the new jailbreaking and unlocking tools before updating your device or you may lose the capability to jailbreak or unlock your device in the future. So just be careful about it and if it’s not jailbroken then you can get the latest update as its out with so many exciting features……