Why a TV can be a data source
A modern smart TV is a computer connected to the internet, with a screen attached. It runs apps, shows recommendations, may carry a microphone for voice control, and often has a business model that depends partly on advertising or data. Prices for some models are kept low because the maker expects to earn money from the platform over time.
This is general information, not a claim about any particular maker. Features and names differ, and settings change with software updates, so use this article as a guide to what to look for.
What a smart TV may collect
Depending on the model, region and your choices, a TV or its apps may gather:
- What you watch. Streaming apps typically record what you watch within their service. The TV platform itself may record which apps and channels you open and for how long.
- Content recognition. Some televisions use automatic content recognition, which identifies what is on the screen, including from cable boxes, game consoles or connected devices, and may report it to the company. This is often described in settings as viewing information, interest-based content or similar wording.
- Advertising identifiers. A TV may carry an identifier used to show personalized ads and measure whether they work. It can be used to link viewing to a profile.
- Voice data. If the remote or the TV has a microphone, voice commands may be sent to a server for processing.
- Usage and diagnostic data. Information about how the TV performs, crashes and connects is often collected.
- Account and network details. Email, linked streaming accounts, and the Wi-Fi network the TV uses.
- Camera data. A few TVs include cameras for video calls or gesture control. Check whether yours has one.
Companies commonly say they use this information to personalize recommendations, show relevant ads, improve products and measure audiences. Some also share it with partners. You may not need to be alarmed, but you should know what you are agreeing to.
Review the setup screens carefully
The most important moment is the first time you turn the TV on. Setup often includes a terms-of-service screen and a set of consent boxes, sometimes preselected. Slow down and read them. Decline optional data collection where you can. If a screen says you cannot continue without agreeing, look for the version that lists optional parts separately, because declining some may still let the TV operate.
If you have already clicked through, you can change most choices later.
Where to look in the settings
Names vary, but look under headings such as:
- Privacy
- General or system
- Terms and policies
- Support or about
- Advertising or data
- Network or connection
Within them, typical items to review include:
- Viewing information or content recognition. Turning this off stops the TV from identifying what is on the screen. This is often the single most significant setting.
- Interest-based or personalized advertising. Turning this off usually limits ad personalization, though you may still see ads.
- Advertising identifier. Look for a reset or “limit tracking” option.
- Voice services. Disable always-listening features if you do not use them, and use the microphone button on the remote only when needed. Some remotes and TVs have a hardware switch for the microphone.
- Usage and diagnostic data. Opt out where offered.
- Camera and microphone access for apps. Remove access for apps that don’t need it.
- App permissions and accounts. Sign out of or delete apps you do not use. The same thinking behind reviewing app permissions on a phone applies.
- Automatic updates. Keep them on so security fixes are installed.
Switching off tracking features may reduce recommendations, change some ads, or limit certain features. If something stops working that you need, you can turn that setting back on.
Check each app separately
Turning off the TV’s platform tracking does not change what each streaming app does. Each service has its own account, and its own privacy and profile settings. Open the account on a phone or computer and review viewing history, ad choices, device lists and profile sharing. Remove old devices from the list. A good time to do this is when you review your wider digital footprint.
Be aware, too, that a streaming account shared among family members can reveal what others have watched. Use separate profiles, and keep children’s profiles restricted.
Secure the TV itself
A TV is an internet device, so the basics still apply. Use a strong, unique password for its account, and enable two-step sign-in if offered. Keep the software updated, and check whether the maker still supports your model; the article on smart device updates covers what to do when updates end. Cover or disable any camera when it is not in use.
Selling or passing the TV on
Before a TV changes hands, sign out of all apps, remove it from your accounts, and run a factory reset. TVs often store logged-in streaming accounts and saved Wi-Fi passwords, and a new owner could otherwise inherit access. See the article on smart device resets for the full list of steps.