Green dot whenever I plug in my IPhone 12
Why does my phone turn on the camera, as indicated by the green dot, every time I plug in my phone to charge?
iPhone 12
Question marked as
A green dot can also mean the microphone is being used.
About the orange and green indicators in your iPhone status bar - Apple Support
Are you also pressing the side button that wakes up Siri when you plug in the charger? See the 'Press and release the button' section in:
Use Siri on all your Apple devices - Apple Support