Pod2g Says A5+ Userland Jailbreak for iOS 5.1 is At Minimum Weeks Away

  Pod2g, the hacker behind the iOS 5.0 and iOS 5.0.1 untethered jailbreaks, has revealed that a public jailbreak for A5+ iOS 5.1 devices is at minimum weeks away.
  "About 5.1 jailbreak for A5+ devices : it's not out and I have no clue when it'll happen. I'm working some hours per week on finding vulns."
 "But right now we (cdev) have some pieces of a userland jailbreak, but we miss some, and even if we had them all, there's weeks of work..."
 "... to put them all together in a public ready tool."

  Although a jailbreak of iOS 5.1 has been demonstrated by several sources, I0n1c is the one who has demonstrated (see teh video below) an untether. It appears he is unwilling to release his exploit to the public.