it's no use getting worked up. The code appears clearly on the door entry system
How you can write a message with calculator?
Just be observant and realize that some letters look like backwards numbers. For example, E look like 3
The door entry system brand is "BIOLESS" that is also the door entry system code. Except you have to convert it into numbers starting with the last letter (so that this brand is completely legible with a set of numbers if you turn the door entry system 180.