since the new update ios 16.0.3 I'm unable to use my dictation or siri yet everything is on

Retrain Siri with your voice

Go to Settings > Siri & Search, turn off Listen for “Hey Siri,” then turn on Listen for “Hey Siri” again. To change Siri accessibility settings, see Use accessibility features with Siri on iPhone.

Change Siri settings on iPhone - Apple Support (IN)

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