It is possible to modify your profile picture, as well as your name, surname and email address.
This option is available in the settings, at the bottom on the right of the main menu. By clicking on “Name, Surname”, the menu offers to modify these different informations.
The cellphone number cannot be modified as it is used to identify your access to the application. If you must change it, you may contact the support by email at firstname.lastname@example.org