how to upgrate apple notes on ipad iPad os 16

Hello Anower_BD,

In order to update the Notes app on your iPad let's follow the steps provided below.

"Update your apps manually

On your iPhone and iPad, apps that you download from the App Store are automatically updated by default. But if there's an issue, you can update an app manually.

How to manually update apps on your iPhone or iPad

1. Open the App Store.
2. Tap your profile icon at the top of the screen.
3. Scroll to see pending updates and release notes. Tap Update next to an app to update only that app, or tap Update All.
4. 

Learn what to do if you can't update an app on your iPhone or iPad"

How to manually update apps on your Apple device

Let us know if you have any questions.

Thank you for using Apple Support Communities.

Take care!