To be able to make changes to the Identity module a box in the Maintenance settings has to be checked. This can be done by clicking on ‘Maintenance’ and unfold the ‘Settings’ menu on the right. The box ‘Has own guidelines’ needs to be checked.
To upload a logo you must enter the logo category and press on ‘Edit this page’ on the right.
Below the last logo there will be an option to ‘Add block’, press this button and a menu will pop-up.
In the box select ‘imageonly’, type in a name and upload your desired logo. One the upload status has reached 100% click on ‘Add’ and your logo will now be saved into Brandifyer.
This article also has a Youtube video to show how this action can be done.