Apple just released iOS 4.1 Beta 2 to
, and unless you are a dev, you have absolutely no business downloading and installing it on your iPhone.
If you do, make sure you don’t care about future jailbreaks and unlocks because you might lose your ability to do it.
There doesn’t seem to be much in this beta release except for the proximity sensor fix, which hopefully will prevent those affected from randomly hanging up on people.
3g and 3gs unlockers, keep ur latest ultrasn0w unlock working, and NEVER approach the latest 4.1b2 ios, and of course ios 4.1 when it's out