iTunes
When I set up my new phone today I was asked to sign in to an iTunes account I did not recognise. the address was usa@onemoreday.co.uk I am a bit concerned that my account has been hacked
iPhone XR, iOS 12
Question marked as
Define new phone. New to you or brand new from an Apple Store?
If only new to you but used by somebody else, and their apps are still on it:
What to do before selling or giving away your iPhone, iPad, or iPod touch - "Use these steps to remove your personal information from a device, even if you don't have it anymore."hhttps://support.apple.com/HT201351
If you're worried about security change your password.
Change your Apple ID password - https://support.apple.com/HT201355
What to do after [or before] you change your Apple ID email address or password - "After you change your Apple ID email address or password, you might need to update your sign-in information with any Apple services you're using." - Or if you're seeing persistent disabled messages or repeated requests for the password to your previous AppleID. - https://support.apple.com/HT204071