Download-icloud-unlock →
If you know the original credentials but don't have the device, use the web-based method: Sign in to iCloud Find Devices . Select the locked device from the list. Choose , then select Remove from Account .
Remove a device from Find Devices on iCloud.com - Apple Support (IN) download-icloud-unlock
You must provide the device IMEI or serial number. If you know the original credentials but don't