You can add your logo to customize your Dashboard to your company. To do so, follow the next steps:
1. From your main dashboard, click on the drop-down in the upper right-hand corner and select settings

2. Click the red trash can in the profile picture window
3. Click in the middle of the window and select your desired image.

Here's a full view on navigating the dashboard:
If you are struggling to add the right picture size for your "profile picture", then please resize your image to the optimal sizing: 225x225.
The profile picture dimensions were designed for a portrait style image.
If you are still struggling to resize your image or are still having an issue with the image to fitting properly in the window, please submit a support ticket through the Knowledge Base at the bottom of the Gazella website.
Visit Gazellawifi.com, then scroll all the way down and click on "Knowledge Base". In the upper right-hand corner, you will have the ability to "Submit a Request".