Order Passcode/Disabled Service using the following service in web:
50# iCloud ID Remove - iPhone 6S/6SPlus/7/7Plus [Passcode/Disabled - FMI Off Service]
51# iCloud ID Remove - iPhone 8/8Plus [Passcode/Disabled - FMI Off Service]
52# iCloud ID Remove - iPhone X [Passcode/Disabled - FMI Off Service]
After using this service, iCloud status will be set to off. [FMI: OFF (Check service description in web for more information.)