On Premises Guest Portal Setup

Are you using cambium cloud or a On prem version? On Prem cnMaestro if there is no trusted certificate installed then auto pop up of the splash page will not show. Have you tried going to standard browser on your test device and type in “http://neverssl.com” and see if that gets redirected or not. Please reach out to support if you not able to make it any progress or send me a message.