You can change your profile at any time.
You can do this by clicking on your name at the top right of the page and selecting "My profile" from the menu.
Then you can click on "Edit profile", this will put your profile in edit mode.
You can now view your contact data, profile picture,... change your profile data, profile picture,...
Don't forget to save your changes afterwards.
Once your identity card is linked to your Immo-Connect account, some fields can no longer be changed.
Your name, date of birth, gender, ... are entered on your identity card and can no longer be changed.