New 16.0.2 update

Hello Ladyjules1,

Welcome to Apple Support Communities. 

Apple has recently released iOS 16.0.3. Please use the steps here to update: Update your iPhone or iPad - Apple Support

1. Back up your device using iCloud or your computer.
2. Plug your device into power and connect to the internet with Wi-Fi.
3. Go to Settings > General, then tap Software Update.
4. Choose the software update that you want to install. You can choose to stay on iOS or iPadOS 15 and still get important security updates. Or you can choose the option to upgrade to iOS or iPadOS 16.
5. Tap Install Now. If you see Download and Install instead, tap it to download the update, enter your passcode, then tap Install Now. If you don't know your passcode, learn what to do.

Please try the steps as listed here when Siri isn’t working as expected: If "Hey Siri" isn't working on your iPhone - Apple Support

1. Go to Settings.
2. Tap Siri & Search.
3. Tap Siri Responses. 
4. Tap Prefer Spoken Responses to hear Siri speak responses, even when Silent mode is turned on.

Let us know if you have further questions.

Take care.