Can I download new updates if the gateway is running HTTP?

Yes you can download the new update even if you are using http, but you will need to change the configuration so that http is the default before updating, however we recommend that you use HTTPS instead for security reasons. Valid from version 2.6.2

Here's how to change from HTTP to HTTPS in the gateway, click here

If you don't know whether you're running HTTP or HTTPS, you can download our script to find out. Download it here