How to log off other active apple devices off your iCloud without having the actual device with you
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Sure. Login to www.iCloud.com in any web browser and delete the device from the list in the find my app. But to disable activation lock, you’ll also have to login at https://appleid.apple.com/ and remove it from your trusted devices there.
How to log off other active apple devices off your iCloud without having the actual device with you