Apple has released iOS 4.3.2 ipsw files for download . This release will support iPhone 4 3GS iPod Touch 4 3G and iPad 1 – 2 .
You can download and upgrade 4.3.2 ipsw files directly on your computer or choose to upgrade your device using iTunes 10.2.1 . As always , stay away from the 4.3.2 firmware upgrade if you are a jailbreaker . Save your shsh blobs using TinyUmbrella in case you decide to downgrade in future . Follow the How to Save SHSH Blobs Video Tutorial for more details .
Download 4.3.2 ipsw :
To update using iTunes , launch iTunes and connect your device with the USB . An update window will pop-up as shown in the image below if automatic updates is turned on . If it doesn’t show up , goto Help in top navigation and click on Check for Updates .
4.3.2 Direct IPSW Download Links :