Get on google play and remove that device from your account also
I would go to Google and into your account and complete the security checkup. And if you need help beyond that I would straight up talk to Google support. Good luck!
Go into your manage you account and remove the extra device on the security page.
When you stop nearby it asks you about the other business in that area. I know it's annoying
Google accounts also have your card information. Change your password, or delete it as soon as possible.
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