I cannot share my note anymore. I just did the latest software update.

Hey Donut_569,

Thanks for posting in Apple Support Communities. We understand that you're unable to share Notes on your iPhone 13. We'd like to help!

We can see that you posted from this support article: If you can't share or collaborate on notes with your iPhone, iPad, or iPod touch - Apple Support

To help isolate the issue, we'd like to gather more information:

1. What happens when you try to share in the Notes app?
2. Are you having the issue with old notes and new ones?
3. Are other people able to share with you from the Notes app?

We look forward to hearing back from you! Take care.

Thanks for replying, Donut_569, and that additional info, it really helps! Just to be sure, please force close the Notes app: Close an app on your iPhone or iPod touch - Apple Support

Then restart your iPhone: Restart your iPhone - Apple Support

And test your issue your again. If you are still having this issue, please contact Apple directly: Apple Support

Have a great day and thanks for using the Apple Support Communities!