polkit rules to mount USB drive as writeable?

In /etc/polkit-default-privs.local I have set:

org.freedesktop.udisks2.filesystem-mount auth_admin:auth_admin:yes                                                                                          
org.freedesktop.udisks2.eject-media auth_admin:auth_admin:yes 

but I am still accessing the USB device (card reader) as read only.

What lines do I need to have it writeable (as user)?

My bad! The card was set to read-only by its hardware switch.
Everything works :slight_smile:

Yes, by default the logged in user has r/w access to removable media.