Apple just released iOS 4.3.3. It’s available now in iTunes if you check for updates, and direct links to the downloads will be available shortly.
As previously reported, iOS 4.3.3 addresses battery life issues and introduces iPod bug fixes. More importantly, the software update improves the way iPhones and iPads 3G handle the location tracking database stored on-device by making is smaller and encrypted. The location database will be no longer backed up to iTunes and it will be deleted entirely when Location Services are turned off.
But still can be Jailbreak