If multiple variations of your router appear in the network selection screen, select the one which does not have 5GHz at the end. Colour accuracy is not as impressive when viewing HDR either, particularly when colours become more saturated. Blues are reproduced rather well but intense greens, reds and cyan have a tendency to look unnatural. Whites also suffer from clipping in bright scenes. While viewing a popular test image of mountains and moving clouds, the clouds looked undefined and it was a similar story in darker scenes, with the UL21 unable to articulate fine details with clarity.

Is upper-budget a thing? If it is, the Toshiba UK31 fits the brief perfectly. This 4K model sits ahead of the massive-selling UL20, with fuss-free smarts and a performance that doesn’t let down the side.Audio is perfectly ok for everyday use and is able to go loud without sounding shrill. The set has a 20W downward-firing stereo sound system but supports Dolby Atmos, which is good news if you want to partner it with an Atmos

TRU Flow TRU Flow analyses the image and frames to minimise judder effect and keep up with fast paced action scenes. TRU Micro Dimming TRU Micro Dimming improves contrast, focussing on all the different regions of the image. To access Freeview channels, the TV will need to be tuned into a digital aerial. Connecting the TV to the internet will allow you to access the SMART features and applications on the TV, but not the full channel list.The Toshiba UK31 is well served with streaming services. Freeview Play guarantees a full complement of mainstream catch-up players (BBC iPlayer, ITV Hub, All 4, My5, UKTV Play and sundries), plus an extensive collection of box sets. There are five different picture modes available when viewing SDR content – Natural, Cinema, Game, Sports and Dynamic – and you can tweak the contrast, brightness, sharpness and colour of each in the settings menu. You’re also able to toggle on and off various picture enhancement technologies including Toshiba’s TRU Blue, and adjust colour temperature. If ‘Device connected’ message is displayed, then the pairing was successful. If the connection fails, retry. Session token to be used to authenticate requests on behalf of an anonymous user. Session tokens are linked to a client ID (see clientId) The Toshiba 55UK3163DB TV is a model with LED technology, a screen diagonal of 139.7 cm, a screen resolution of 3840 x 2160 pixels, an aspect ratio of 16:9, 3 HDMI ports to connect a Blu-ray player, DVD, a game console, etc., 1 USB ports to connect an external hard drive, a Chromecast, a Bluetooth receiver etc., Ethernet port to connect to the internet via cable, internet connection via Wi-Fi, the Linux operating system, in addition to the rest of the features listed below.