About an hour ago, Apple released iOS 5 beta 4 as well as iTunes 10.5 beta 4 for developers. Now what do non-developers that have the urge to try out beta firmware do? They use these direct download links for downloading iTunes 10.5 beta 4 for free on their Windows and Mac computers!
Note: Beta firmware and software is intended for developers. Don't trying upgrading to beta firmware if you don't have the slightest idea of what you are doing. Also, please ensure that you know the drawbacks to installing beta firmware and software before you so happily proceed to download it.
You will need to re-sync your photos with iTunes when you upgrade to iTunes 10.5 beta 4 from the previous iTunes 10.5 beta 3 which was released with support for iOS 5 beta 3 about 12 days ago.
Also, if you have been using Wireless Sync with Mac, please keep in mind that you will need to download iTunes 10.5 beta 4 and upgrade to it before you can use Wireless Sync between iTunes and your iOS device that by now should be running iOS 5 beta 4, considering the fact that it is an OTA update and can be availed by those running iOS 5 beta 3 on their iPhone, iPad and iPod touch.
Direct download links for iTunes 10.5 beta 4 Windows and Mac are given below. Download at your own will.
Download iTunes 10.5 beta 4 for both Windows and Mac