Samsung TV volume not working? Route around it.

In order of likelihood: Sound Output is routed to a soundbar or Bluetooth device that is off; the soundbar has dropped into deep standby and ignores Anynet+ (HDMI-CEC) volume commands; an eARC handshake failed after a firmware update; or the remote itself is dead. A phone app that sends volume over Wi-Fi bypasses all four — which also tells you instantly whether the TV is the problem.

Good news: the TV, its speakers and its software are fine. The app talks to the set over the network (WebSocket, port 8002), while the remote goes through IR/Bluetooth and, with a soundbar, through HDMI-CEC. If the network path works and the remote path does not, replace the remote batteries, re-pair it, or check the Anynet+ chain — the panel needs no repair.

That message appears when the TV believes an external device owns the audio — usually a soundbar connection that half-failed. Set Sound Output back to TV Speaker, power-cycle the soundbar (60 seconds unplugged), and if you use eARC, switch HDMI-eARC Mode from Auto to Off in Expert Settings to force the stable standard-ARC path.

Yes — Samsung has shipped firmware that broke volume control on specific model lines, and the fix each time was a later update. If volume stopped working right after the TV updated itself overnight, check Settings → Support → Software Update rather than replacing hardware.

Yes. Volume up/down, mute, channels, the D-pad and OK are free forever on Samsung TVs — no trial, no credit card. Premium adds power, keyboard, touchpad and app shortcuts. For a volume-only problem the free tier is the entire fix.

SmartThings. Samsung’s own route is SmartThings, which absorbed Smart View in 2020. It wants the TV and the phone signed in to the same Samsung account, and on iPhone it needs Local Network permission granted or it cannot see the TV at all.

Recent Samsungs carry a multi-directional jog stick on the rear panel, bottom-right as you face the screen — centre on The Frame. Tilt up and down for volume or menu movement, left and right for channel and input, press to select, and hold the centre to power off. Sets from 2016 to 2019 instead put a single button on the front lower bezel under the logo. The jog controller opens the on-screen Control Menu, which is enough to reach network settings without a remote — the one on-panel control on this list that genuinely gets you into the menu.

Samsung documents four separate causes, and they are easy to mistake for one another: phone and TV not genuinely on the same network — a mesh that splits 2.4 and 5 GHz can look identical and behave differently; the TV and app not signed in to the same Samsung account; Local Network permission not granted to the app on iPhone; and, on 2016 and later sets, an Allow prompt on the TV screen that has to be accepted. Work through them in that order. The Allow prompt is the awkward one when the remote is dead — use the jog controller on the rear panel to accept it.