The Apple Watch is as for the iCloud that was used to set up which I don’t have
I got a Apple Watch that was pre own ad if asking for the Apple ID which was use to set it up which I don’t have
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You will need to contact the previous owner of the device and ask them to remove it from their account. If they cannot, then try to return it for a refund. You will not be able to activate or use the Watch so long as it is Activation Locked. https://discussions.apple.com/docs/DOC-250001038