According to the release notes, iOS 4.3.2 includes fixes for the iPad 3G connectivity and FaceTime issues.
Here’s the list of fixes and improvements in iOS 4.3.2:
– Fixes an issue that occasionally caused blank or frozen video during a FaceTime call
– Fixes an issue that prevented some international users from connecting to 3G networks on iPad Wi-Fi + 3G
– Contains the latest security updates
But if you don’t care about jailbreaking or unlocking your iPhone then you can update your iPhone with iOS 4.3.2 via iTunes.
As always, let us know how it goes and if you notice anything interesting in the comments.