Just raising awareness on a known firmware issue with the SR203 router.
DHCP has known issues and after a reboot will not assign IP addresses to many devices if there’s 10+ devices trying to connect. It has been ongoing for a few months now, I’m personally affected, and it is being a huge pain.
https://helpforum.sky.com/t5/Broadband/Sky-Router-SR...
https://helpforum.sky.com/t5/Broadband/Sky-hub-SR203...
https://www.ispreview.co.uk/index.php/2020/10/sky-uk...