Apple has released IOS 5 beta 5, the last compilation is 9A5288d and the same hardware is supported as before IOS 5 beta 5, including the iPhone 2,iPhone, iPhone 4 GSM and CDMA, 3G iPhone and iPod touch third and fourthgeneration.
You can download the IOS 5 beta 5 in one of two ways:
OTA software updates directly to the delta IOS - this is the easiest way to get updates and also the smaller size of bandwidth. It is accessible by air,upgrades IOS beta 5 4 devices using Settings> General> Software Update
Download the file in a particular IOS device IPSW Apple Dev Center
OTA updates are by far the easiest, as well as allowing the use of new featuresand exciting IOS 5 in the process. If you are not a developer, you have to waituntil the official release of IOS 5 this fall.
IOS5 addition to beta 5, the new version of Xcode 4.2 has been released to developers and iTunes 10.5 Beta 5 and the new version of IOS Apple TV2.
Here is a complete guide how to install iOS 5 beta 5 on iPhone, IPad and iPod Touch
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