UHMM..... You do understand that if that is not a commercial fish operation, drones are prohibited in that area! You need to contact the Fish and wildlife Dept in that area before you go near it!
Flying a drone over Wildlife refuges or areas...
The store manager also knows he's screwed the pooch selling you a locked and pre-registered product. Take it up with him. The seller is responsible, not the previous owner.
You bought in good faith expecting the vendor to have performed due...
My O.G. Mavics still fly perfectly! You can find batteries on Ebay for them....If you have the old Batteries KEEP THEM!! there are folks out there that can build you new ones!
Make sure to update it and get yourself an R.I.D. module to strap to...
Find some batteries if needed and turn it on.
Update???? Was it working well when parked????
Updates can always wait until some research has been accomplished.