I purchased "Webcam Wireless IP Camera dual-type HD"
I've installed the camera according the operating instructions, everything was fine and the camera was working properly also I had the ability to access the camera from anywhere using my smartphone.
Following an article I read that there are those who follow these cameras and can taking control from distance (somewhere in the world) then changing the position of camera in order to follow the happening inside room.
Therefore I decided to change the username and password (admin is the default), in order to make sure that no one knows this credential but accidentally I have changed the "Operator password" instead of Admin, (actually the operator credential was empty and by mistake I have change this as well), since I did that action there is no ability to get to the settings of the camera any more and getting an error of "You have no operation permission"
How do I solve this problem?