Ubuntu/Deepin How to completely remove a package and its configuration files (even in the home directory)?

Question

linux

Missing part of the interface in the airwave-manager program
I somehow hid the top panel of the airwave-manager program from the touchpad. I thought that I hid it with a program function, but there is no suitable menu to restore the original state
Tried:
Unfortunately, reinstallation did not help, and deleting dependencies
sudo apt-get purge airwave
sudo aptitude remove airwave
sudo apt-get autoremove
sudo apt-get clean
apparently configs or what - the settings still remain, what else can be done?

Answer 1

Check for ~/.airwave and ~/.config/airwave
Sometimes manufacturers also use something like ~/.config/manufacturer/airwave