Actually, it has started working now.

@Kevin_Z I've upgraded the firmware using the .bin file sent to me. the router is still not working as it should. No change to current symptoms - devices cannot access the internet. this is the...

@Kevin_Z no devices are connecting to the internet. The router says it's working just fine but I think it can't see what's going on because it can't empathise with the needs of my other devices. It's...

@Kevin_Z My router not working after this firmware update