Do you have a Samsung or Google account connected to the Note 5?
Okay great, you can unlock the Note with your Samsung account.
Follow these steps please.
Go to this linkhttps://findmymobile.samsung.com/
Then sign in with your Samsung account.
Then choose unlock screen.
Please reply and let me know if you need any other assistance or if everything is good, take a moment to rate my service by choosing one of the stars at the top, then click submit.
Thank you very much!