OK, so I have a Sony 49x8305c TV running Android Nougat 7.0, freshly updated this week.

Having read that the PiP had been improved I though I'd try it, I've never bothered before because I read it only worked with an analogue or digital input plus an HDMI source, and as we don't have an aerial, I don't have any analogue or digital inputs, only Sky TV through the HDMI.

However, I've just tried this and when I press action and go across to the Twin Picture menu, and press OK, nothing happens and it just goes back to the main TV screen. I had read this might be because my Sky is connected in 4k, so I changed it down to 1080p and tried again but still nothing.

Is there any way of getting this working, and if I do get it working, which other sources would it work with? What I really wanted was to have 2 HDMI sources so I can have TV and PS4, but I gather that's not possible anyway. Would still be good to know what I can do though!