How to control a TV with a phone Xiaomi Redmi 9: all the ways + mistake-making

Introduction: Why control TV from a smartphone?

Modern smartphones like the Xiaomi Redmi 9 can replace multiple devices, from a camera to a universal remote control. If you’re tired of looking for a lost remote control or want advanced features (voice control, gestures, automation), connecting TV to your phone is a great solution.

In this article, we will explore all the available ways to control your TV through Redmi 9 – from the classic infrared port to modern applications with Wi-Fi and Bluetooth support, LG, Sony, Xiaomi TV), And also how to fix typical connection errors, and we'll focus on hidden functions. MIUI 14+, Allows you to manage TV without third-party apps.

It doesn’t matter what kind of TV you have, it’s smart with Android. TV Or the usual one with an IR receiver -- the instructions below will help you set up the control in 5-10 minutes. FAQ frequent-question.

1. Compatibility Check: What do you need to control your TV with Redmi 9?

Before you start setting up, make sure your phone and TV support at least one of the following communication protocols:

  • πŸ“Ά IR port (infrared) – available in Redmi 9 (located at the top of the case) and suitable for most TVs released before 2020.
  • πŸ“‘ Wi-Fi (DLNA, Miracast, AirPlay – Requires Android-enabled smart TV TV, webOS or Tizen.
  • πŸ”΅ Bluetooth is rarely used for control, but some Samsung models and LG Supports the connection of remotes BLE.

To check for an IR port on Redmi 9, open the Remote app (if preinstalled) or download any IR testing app from Google Play. If your phone doesn't detect an IR transmitter, your model doesn't support it (e.g. Redmi). 9A redmi 9C non-IC).

Model TV setSupported protocolsRecommended annex
Xiaomi Mi TV (model)Wi-Fi, Bluetooth, IRMi Remote (official)
Samsung (2018–2026)Wi-Fi (SmartThings), IRSmartThings or Peel Smart Remote
LG (webOS)Wi-Fi (LG ThinQ, IRLG TV Plus
Sony Bravia (Android TV)Wi-Fi, IRVideo & TV SideView

⚠️ Note: If your TV is older than 2010, it may not support Wi-Fi control, in which case you only have an IR port or purchase an external adapter (for example, BroadLink). RM4 Pro).

2. Control via IR port: setting up a standard remote

The most versatile way is to use the built-in IR port. Xiaomi Redmi 9 is equipped with it by default (except for budget modifications), so you do not need additional devices.

Steps to set up:

  1. Download the Mi Remote app (official from Xiaomi) or Peel Smart Remote from Google Play.
  2. Open the app and allow access to Infrared Port and Camera (to determine the TV model).
  3. Select the type of device – TV.
  4. Hover your phone over the TV’s IR receiver (usually located on the right or bottom of the screen) and follow the instructions on the screen to select the code.

If the automatic search didn't work, try manually selecting a TV brand from the list, LG) There are usually several code options available – test them alternately.

The phone has an IR port enabled (check in Settings). β†’ Connected devices β†’ Infrared port)

The TV is on and on standby (not sleep mode)

The distance between TV and telephone is less than 5 meters.

There are no obstacles to the IR signal on the TV (glass, film)

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If the remote is unstable (delays, not all buttons react), try:

  • πŸ”„ Restart the phone and TV.
  • πŸ“± Update the Mi Remote app to the latest version.
  • πŸ” Manually select another code for your TV model in the application settings.
πŸ“Š What brand of your TV is?
Samsung
LG
Sony
Xiaomi
Philips
Other

3. Wi-Fi control: Connecting to a smart TV

If your TV supports Wi-Fi Direct, Miracast or has Android built-in TV/webOS, You can control it over a local area network, and it's more reliable than IR, because it doesn't require line of sight, and it works at a greater distance.

Instructions for Xiaomi Mi TV:

  1. Connect your phone and TV to the same Wi-Fi network.
  2. Download the Mi Home app (if you have a Xiaomi smart home) or Mi TV Remote.
  3. Sign up or sign in to your Xiaomi account (required!).
  4. In the app, click Add Device β†’ TV and follow the hints.

For TVs of other brands, use the official applications:

  • πŸ“Ί Samsung: SmartThings (requires registration with Samsung Account).
  • πŸ“Ί LG: LG TV Plus (supports voice control).
  • πŸ“Ί Sony: Video & TV SideView (works with Android) TV).

⚠️ Note: When connecting over Wi-Fi, the TV and phone must be on the same subnet. If you have a dual-band router (2.4 GHz) + 5 GHz), connect both devices to the same frequency (e.g., only 2.4 GHz).

Advantages of Wi-Fi management:

  • βœ… It works through walls (no need to direct your phone to TV).
  • βœ… Support for voice commands (via Google Assistant or Alice).
  • βœ… The ability to stream your phone screen on TV (Miracast, Google Cast).

πŸ’‘

If the TV is not on the list of available devices, try manually entering it. IP-Find out the address. IP You can use the TV network settings (Network section) β†’ Connection status).

4.Alternative methods: Bluetooth and external adapters

If your TV does not support Wi-Fi or IR, and you still want to control it from a smartphone, consider the following options:

Bluetooth control (for selected models)

Some Samsung TVs (series) QLED 2020+) and LG (OLED webOS 5.0+) Supports Bluetooth Low Energy remotes (BLE). To check compatibility:

  1. Turn Bluetooth on Redmi 9 (Settings) β†’ Bluetooth).
  2. Launch the SmartThings app (for Samsung) or LG TV Plus.
  3. Select the option Add the device β†’ Television β†’ Searching for Bluetooth.

If the phone finds the TV, confirm the pairing, and then you can control the basic functions (on, volume, channel switching).

External IR adapters (for older TVs)

If your TV doesn’t have Wi-Fi, but has an IR port and your phone doesn’t, you can buy an external IR transmitter, such as:

  • πŸ”Œ BroadLink RM4 Pro (Wi-Fi management, Google Home support).
  • πŸ”Œ Xiaomi Mi IR Blaster 2 (with Mi Home).

Algorithm of settings:

  1. Connect the adapter to the socket and sync it with the phone through the manufacturer’s app.
  2. Add the TV to the list of devices by selecting its brand.
  3. Set up the adapter (it should β€œsee” the IR receiver).
How to check if the IR adapter works?
Turn on the camera on the phone and point the IR transmitter to the adapter. When sending a signal, the screen should appear violet light (IR radiation is visible through the camera).

5. Voice control and automation

With Xiaomi Redmi 9, you can control your TV with voice via Google Assistant or Alice (if the TV supports integration).

  1. Make sure the TV is connected to the same account as the phone (e.g. Google Account for Android) TV).
  2. Activate the voice assistant on your phone (Hold the Home button or say β€œOK, Google”).
  3. Say a command, for example: β€œTurn on the TV in the living room” – β€œPut a video on YouTube about kittens on the TV” – β€œRevolve the volume on TV to 50%”

To automate routine activities (for example, turn on the TV on schedule) use:

  • πŸ€– Google Home (for Android) TV Chromecast).
  • πŸ€– Mi Home (for Xiaomi devices, including Mi) TV).
  • πŸ€– IFTTT (to create chains of action, such as if the phone is connected to Wi-Fi at home β†’ turn on the TV").

⚠️ Note: For voice control, the TV must be on or on standby with support Wake-on-LAN/Wake-on-Wi-Fi. Some budget models do not support remote inclusion.

πŸ’‘

Voice control works only with Android TVs TV 9.0+, webOS 4.0+ Tizen 5.0+. Older models will require an external adapter (e.g. Google Chromecast).

Problem Solving: Why doesn't the phone control TV?

If the connection fails, check the following points:

Problem.Possible causeDecision
Phone can't find TV over Wi-FiDifferent networks (2.4 GHz vs 5 GHz)Connect both devices to the same frequency
The IR panel is running with delaysWeak signal or interferenceBring your phone closer to the TV, remove obstacles
App doesn't see IR portPort disabled in settingsEnable in Settings β†’ Connected devices β†’ Infrared port
Not all buttons work.The wrong code for a TV modelSelect another code manually in the remote settings

If the problem persists, try:

  • πŸ”„ Reinstall the management application.
  • πŸ“± Update the phone firmware (Settings) β†’ The phone. β†’ Updating the system).
  • πŸ›  Reset the network settings on the TV (Settings) β†’ Network β†’ Reset).

To diagnose the IR port on Redmi 9, use the application IR Google Play Tester, which will show you if the transmitter is in good condition.

What if the TV doesn’t respond to commands?
1. Check if the batteries in the original remote are not discharged (sometimes the TV blocks external commands when the signal is weak). 2. Turn off the function on the TV. HDMI-CEC (It can conflict with Wi-Fi management. 3. Restart the router – sometimes problems are associated with the problem. DHCP-server.

7. Hidden functions MIUI TV-manager

In the firmware MIUI 14+ (Installed on Redmi 9 after the update) there are built-in tools for working with equipment, which many do not know:

  • πŸ” Quick remote in the notification curtain: add the remote widget to the Quick Settings panel (Settings) β†’ Notification curtain β†’ Edit β†’ remote).
  • 🎀 Voice control via Xiao AI: activate in Settings β†’ Voice assistant and say "turn on the TV" (only works with Mi) TV).

To enable the hidden smart home mode (even without Xiaomi devices):

  1. Open the settings β†’ Connected devices.
  2. Slip on the three dots in the upper right corner and select Add Device.
  3. In the list, find the TV and select another brand.

These features don’t work on all Redmi 9 models, as they depend on the firmware version. If they don’t, upgrade to the latest version. MIUI.

FAQ: Frequent questions about TV management with Xiaomi Redmi 9

Can you control a TV without the internet?
Yes, if you use an infrared port or Bluetooth. Wi-Fi management requires a local network, but not necessarily Internet access (it is enough that the phone and TV were connected to the same router).
Why does Mi Remote app not see my TV?
Probable reasons: IR port turned off in phone settings; TV doesn't support IR control (rarely, but some Philips models do); wrong brand or code in the app is selected; Solution: check the IR port settings, try another app (like AnyMote), or update the phone's firmware.
How to stream Redmi 9 screen on TV?
There are three ways: Miracast: Settings β†’ Screen. β†’ Wireless display (requires Miracast support on TV). Google Cast: use the Google Home app (for Android) TV or Chromecast). HDMI-Adapter: Connect your phone to TV via USB-C β†’ HDMI cable (needs an adapter with DisplayPort support).
Can you control the TV through 4G/5G, if I'm not home?
Only if the TV supports remote control over the Internet (for example, Samsung SmartThings or Samsung SmartThings). LG ThinQ Account-Based. To do this, the TV must be on and connected to the Internet. The TV settings must activate Remote Control or Wake-on-WAN. IR and local Wi-Fi management only work within the same network.
How to reset the remote settings in Mi Remote?
Open the Mi Remote app, go to Settings β†’ Devices, find your TV and press Delete. Then add it again.