Enter the password associated with your Apple ID.Tap Sign out of iCloud if you have different accounts for iCloud and the iTunes and App Stores.Tap your Apple ID banner at the top of the screen.Launch the Settings app on your iPhone or iPad.Step 1: Sign out of your current Apple ID
So, if you signed out of a work Apple ID and want to keep your work contacts on the iPhone, save them to your iPhone and then merge them when you sign in to your personal Apple ID. When signing in to a different Apple ID, you'll be able to merge the content on your iPhone with the iCloud data associated with the other Apple ID. VPN Deals: Lifetime license for $16, monthly plans at $1 & more