That's an ONT cover ( box ) not the ONT itself, that is behind the right hand cover inside which is secured with a screw, the side you can access is not screwed shut, simply lift the tab ( may be tight but you shouldn't break it ). What is the Openreach box on your wall? It's called an Optical Network Terminal, or ONT. It's not a router, and it's not a traditional modem. It's specific to Full Fibre broadband, and it's completely normal to. Google images suggest that there is a small lip on the bottom of the smaller section that pulls forward, allowing the cover to open along the hinged top. Looks like that hides a screw securing the larger section 14-06-2024 9h37 - edited 14-06-2024 9h46 Re: How to open FTTP ONT modem? That's an ONT. There are two pieces of equipment you'll need to get your service working on your activation date. You are very likely to have a negative affect in your service however.
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