Apple has just released iOS 4.3.1 for iPhone, iPod touch and iPad! The version iOS 4.3.1 includes some bug fixes which were found on iOS 4.3. Below are direct links for iPhone, iPod touch and iPad all officially from Apple.
To update your iPhone/iPod touch/iPad all you have to do is simply connect your iOS device using a USB cable to your computer and start iTunes 10.2.1. After connecting your device to iTunes you will see a message like the one below, Simply click ” Download and Update”.
OFFICIAL DIRECT LINKS FOR IOS 4.3.1