If you've branded your portal, but aren't seeing your image updates there's a simple fix.

The issue is caused by browser cache. This is where images are stored to help the site load quicker when you next visit. In order to see the new images, you need to clear your browser's cache.

Here is a helpful link on how to clear your cache for most mainstream browsers: https://www.lifewire.com/how-to-clear-cache-2617980