Eric Gehler. Dikjqin. Go to Chrome in each device under setting and see if an account is signed in as the browser, Not a the G+ or Email Account, but as the Chrome Browser and the Sync option is set. Example image. If an account is signed in as the Chrome Browser, they they can sync and keep histories across Devices. How to remove an Apple ID from an iPhone without a password. As long as the Find My iPhone feature is turned off, you can still easily sign out of an Apple ID without having the password. To sign out directly on iPhone, do the following: Open the Settings app. Tap the Apple ID account. Scroll down to the bottom and tap Sign Out. Confirm Sign Out.