: The camera is still linked to someone else's email and password.
After a reset, the camera still needs to be "removed" from the old owner's account. If you see "Camera is registered to another user," the previous owner must delete it from their app. If they won't, Amazon support can help with a proof of purchase. unlock blink camera
If you search "unlock Blink camera," you might see ads for sketchy software or "jailbreaking" services. : The camera is still linked to someone