Alex Carey has admitted that he hit the ball where Jamie Smith claimed a catch when Carey was on 76. Snicko detected no contact between bat and ball after England reviewed the on field Not Out decision, so Carey remained at the crease, and went on to score 30 more runs.
The company running Snicko have admitted that the wrong stump microphone was analysed; they synchronised the bowler's end mic to the video replay, rather than the batsman's end mic. The DRS replay showed a clear spike, but before the ball got to Carey, so the third umpire ruled that there was "a clear gap" between bat and ball.
According to Jonathan Agnew, he has been told by one of the match referees for the series that they are concerned about Snicko's reliability.