Today I notice that some unknown numbers are added to my contact list, how can I get rid of them?

[Windows Central Question]

hi, today i notice that some unknown numbers are added to my contact list

the numbers came from my friend's contact list!

 

[gpobernardo]

Re: hi, today i notice that some unknown numbers are added to my contact list

the numbers came from my friend's contact list!

Welcome to Windows Central.

However, you may need to create a Windows Central account in order to track responses to your query as we may need more details.

How did you friend's contact list end up in your phone?
What did you do shortly before you noticed this?
Did you swap SIM cards?
Did you add his account in your phone?