How to log ouf of “Find My iPhone”

1. In the browser, type www.icloud.com
2. Log in with your apple-id account.
3. Click Find My iPhone app visible in the menu.
4. Click on the All Devices option at the top of the screen.
5. Select the device you want to sign out and iCloud will try to locate the device.
   
6. After a few seconds, Remove from Account will appear at the bottom of the screen.
7. Complete the process with the last click on Remove when offered.