1 Tap *Delete from My iPhone** in the second popup menu. 2  Type in your password to disable Find My iPhone if you're prompted and tap Turn Off. 3  Once you are signed out of iCloud, reboot your iPhone or iPad by holding down the power and Home button until you see the Apple logo. 4  Sign back into iCloud in the Settings app.ow to stop iCloud from asking you to repeatedly sign in on iPhone and iPad. 1  Launch the Settings app. 2  Tap on iCloud. 3  Scroll all the way to the bottom and tap Sign Out. 4  Tap Sign Out in the popup menu.