To change the owner of a GPS device, the previous owner must delete the device from their account and then the new owner can add it in the app.
Here's how to remove your GPS from your account:
1. Open and log into the WeHunt app on your phone.
2. Open the left-hand menu.
3. Click on "Devices"
4. Click on the device you wish to delete.
5. Click on the "Waste bin" in the top-right corner.
6. Click on "Delete"