Use office 365 to sync onenote for android with sharepoint team sites

To use your Microsoft 365 account and sync SharePoint notebooks on your Android phone, add the SharePoint location to your phone.

1. Open OneNote and then on the bottom-left tap Notebooks.

2. Tap Add your work or school account for more notebooks.

3. Enter your organization's account information.

After you sign in, your work or school notebooks with any will show under WORK OR EDUCATION NOTEBOOKS.