According to our friends at iPhone Download Blog, the Dev Team is set to release their set of jailbreak tools for an untethered jailbreak of iOS 4.3.1 tonight.
Here are the details of the jailbreak apps we should expect to see released late tonight:
The 4.3.1 jailbreak will be available through a new version of RedSn0w and PwnageTool. RedSn0w will be available on Windows and Mac OS X. PwnageTool, like always, will be available on the Mac. PwnageTool will be the tool needed for those wishing to preserve their unlocked baseband.
These new untethered jailbreaks will work on all iDevices except the iPad 2 – and they are expected to be released at 12 midnight tonight, Pacific time, or 3:00AM Eastern.
For lots more detail on this, see this article at iPhone Download Blog: