How do I start using Siri?
iPhone 4S, iOS 6
Posted on Oct 6, 2012 10:35 PM
Q: my new iphone does not show the siri microphone
Settings > General > Siri > Siri On.
To use Siri: Hold the home button for 3-5 seconds and speak to it.
About Siri...
http://support.apple.com/kb/HT4992