Knowing

Yes you read that correct

IOS 5 beta6 can be jailbroken using redsn0w 0.9.8b5
To jailbreak follow these steps !

1) Clean install of IOS 5 beta 5 (Dont jailbreak)

2) OTA update to beta 6

3) After its updated to Beta 6 Run redsn0w 0.9.8b5 (Download Link given in the end) point to IOS 5 beta 5 firmware and Select Install Cydia

4) Now Boot tethered and finally your iphone will be jailbroken!!
NOTE :
(Must read before doing anything)

1. If you update to ios 5 beta 6 using itunes then its not possible to jailbreak IOS 5 beta 6 with Redsn0w 0.9.8b5 you need to wait till Redsn0w 0.9.8b6 is out (You have been warned)

2. Do it at your own risk it is tested by me and many others and is working flawlessly !@

Supports the following Devices:
- iPhone 3GS- iPhone 4 [GSM]
- iPhone 4 [CDMA]
- iPod Touch 3G
- iPod Touch 4
- iPad 1G

THIS IS INTENDED FOR DEVELOPERS ONLY!!!
* UNLOCKERS SHOULD STAY AWAY!!!
* This is only a TETHERED jailbreak !!!.
You can download redsn0w from here:
RedSn0w 0.9.8b5 (Mac): redsn0w_mac_0.9.8b5.zip
RedSn0w 0.9.8b5 (Windows): redsn0w_win_0.9.8b5.zip