You may need to change or refresh your Bright Box wireless router settings to Fibre if you're having connection problems with your Bright Box.
The steps below show you how using the migration wizard.
You can update your address in your Account Settings beneath the "Address Details" heading.
To update the address for your subscription, be sure to check off the Subscription Shipping Address box when you're saving.
It also seems I am one of the lucky guy who already had a quite recent firmware installed - from July 2016.