Thank you for your post on the Forum. Sorry to hear that you are having problems when recording HD channels.
I've been able to run testing to your TV equipment and can see issues that could be causing this.I'll send you a private message requesting further details so that I can arrange an appointment for you. Just check the red envelope at the top left of this page.
Need help changing SIM card? Find out more about activating your 4G ready SIM. 4G SIM Swap Help