How to turn off repeated prompts to sign in to itunes store from Apple ID that is not mine on iPhone I keep getting repeated prompts, everytime I switch on wifi or connect to LTE I get a message that says:

Enter the password for your Apple ID: misshammertime@yeah.net

This is not my AppleID and never was. Nobody has used my phone to sign in with that id 

I cancel and I get another prompt for a different Apple ID.
Ive tried the following things, none of which worked


Signing out of iTunes on iOS
Unsyncing all music from iOS
Removing all pirated music from iTunes on Mac and resyncing to iOS. 
Turning off cellular data in iTunes &amp; App Store in iOS.


It keeps coming back and prompting nomatter what I try. What else can I do?

iOS: 12.1

iPhone: Xs
I tried several things for weeks to fix this. Sadly, the only thing that worked was restoring my phone from iCloud backup.