What version of the iPhone OS are you currently using on your Apple mobile device? (Poll Closed)

• 3.0
  92%
  3,913 votes
   
• 2.2.1
  6%
  248 votes
   
• 2.x
  1%
  39 votes
   
• 1.x
  <1%
  13 votes
   
• Don't know
  1%
  44 votes