You can request updates to Fi's Dog Park here. Dog Park requests are reviewed and updated on an ongoing basis. You can expect to see changes reflect in your Fi App within 90 days.
If you are familiar with Open Street Map, you can add submissions directly and see them in the Fi App within 30 days. Instructions can be found here:
Can I Add A Dog Park to the Fi App?If you need help with anything other than adding/updating or removing a dog park, please email support@tryfi.com