Thanks for getting back to us.
We're sorry to inform that upon checking on the email address provided yingkai218@gmail.com we couldn't uploaded data on this account.
In this manner, please provided us the following so we can assist you further can give you best resolution to your query:
- Email address associated with the account
- Tracker retailer as per attached a screenshot of the serial number of the tracker which is located at the box of the purchased tracker.
Once we confirm the details, we'll now proceed with investigation. Please let us know if you have any further questions.