https://us.community.samsung.com/t5/Galaxy-Note-Phones/Missing-some-Contacts/m-p/2553308
Solved: Re: Contacts - Samsung Community - 2553220
Apr 25, 2023 - Hello, Welcome to the Community. We understand how concerning it can be to notice contacts are missing. Try the following to see if you can - 2553220
samsung communitysolvedcontacts