The remote from the Xiaomi Mi TV does not work TV 4S: What to do in 2026

Remote control (DU) from Xiaomi Mi TV 4S Don't rush to buy a new one or bring a TV to the service. 80 percent of the time, you can solve the problem yourself in 10 to 30 minutes, from replacing batteries to resetting the pairing settings. This article will help you understand why the remote does not work, and bring it back to life without unnecessary costs.

We analyzed the typical malfunction of the Xiaomi Mi remotes TV 4S (model 4S 43", 4S 50", 4S 55", 4S 65) and prepared step-by-step instructions for each situation (MIUI TV Google TV) If your TV is released before 2020, you probably have an IR remote; after 2020, a Bluetooth version.

Before you start the repair, answer one question:

1. Check of the elementary: batteries, obstacles, mechanical damage

Start with the obvious, the power source. Even if the batteries were recently installed, they could have run out or oxidized. TV 4S type-element AAA (pinky CR2032 (The pills depend on the model. Take them out and examine them:

• 🔋 Contact oxidation -- greenish coating on batteries or inside the compartment.
• 💧 Corrosion is a white powder on the contacts. Remove with a cotton swab dipped in vinegar.
• 🔄 Polarity – Make sure the batteries are inserted correctly (plus to plus, minus to minus).
• 📉 Voltage - check with a multimeter (should be at least 1.2V for AAA 3B for CR2032).

If the batteries are in order, check the physical integrity of the remote:

• 🕳️ Cracks on the body, especially around the buttons, can disrupt the contacts.
• 💦 Fluid infestation – even a small amount of moisture disables the board.
• 🔍 Button pollution -- dust and dirt block the presses.

⚠️ Attention: If the remote was falling from a height or being disassembled, the quartz resonator (a small metal box on the board) could be damaged. Without it, the IR signal is not generated.

Also make sure there are no obstacles between the remote and the TV:

• 🪟 Glass, mirrors or glossy surfaces may reflect an IR signal.
• ☀️ Direct sunlight "clogs" infrared receiver.
• 📶 Other IR devices (air conditioning, music center) create interference.

2. How to determine the type of remote: IR or Bluetooth

The type of remote controls depends on the recovery algorithm. TV 4S It can be equipped with two types of remotes:

Critical feature: Bluetooth-remote Xiaomi Mi TV 4S When you reset your TV, you need to pair it again, even if you've been stable before. If you've recently updated your firmware or reset your TV to factory settings, the remote might have uncoupled.

To determine the type of remote control:

1. Turn over the remote and find a sticker with the model. BLE — It's a Bluetooth version.
2. Look at the settings of the TV: Settings → Devices → If the remote is displayed in the list of connected devices, it is Bluetooth.
3. Use a smartphone camera: IR remotes glow in the infrared spectrum (visible through the camera), Bluetooth does not.

3. reset Bluetooth remote interface with Xiaomi Mi TV 4S

If you have a Bluetooth remote and it doesn't respond to pressing, it's likely that you've had a pairing failure, which is a common problem after you update your firmware or you've had a long TV downtime, to reconnect.

1. Reset the remote: Press the back buttons (Return) + Home (Home) for 5-7 seconds. the indicator should start flashing quickly in blue (pairing mode).
2. Activate search on TV: Go to Settings → Devices → Add accessory. Select the remote control and wait for the TV to find the device (usually the Mi Remote Controller).

Confirm the conjugation:

• The code will appear on the screen – compare it to the code on the remote (if there is a display).
• Press. OK confirm.

If the remote is not located:

• 🔌 Restart the TV (turn off the network for 30 seconds).
• 📱 Make sure there are no other Bluetooth devices (headphones, speakers) within a 5-meter radius).
• 🔄 Try resetting the remote again, holding the buttons for up to 10 seconds.

⚠️ Attention: On some firmware MIUI TV 3.0 after resetting the remote, you also need to reset the network settings. → Network and Internet → Forget the network, then connect again.

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If the TV doesn’t respond to buttons after pairing, try pressing Menu. → Settings → All settings → General. → Reset remote. This option is only available with an active Bluetooth connection.

4. Diagnostics and repair of infrared (IR) remote

If you have an IR remote and it doesn't work, there may be three components to the problem:

1. IR diode (signal emitter).
2. Quartz resonator (frequency generator).
3. Control chip (processes the pressing).

For diagnosis:

If the IR diode doesn't glow:

• 🔧 Check diode soldering contacts (can move away when falling).
• 📉 Measure the voltage on the diode with a multimeter (should be) ~1.5B at the press of a button).
• 🔄 Try replacing the diode with a similar one (for example, IR333-A or TSAL6100).

If the diode is lighting up, but the TV is not responding:

• 🎯 Check the IR receiver on the TV (usually on the right or bottom of the screen.
• 📶 Make sure that the IR receiver is turned on in the TV settings: Settings → Devices → DU remotes → Infrared port.
• 🔄 Reset the IR port settings: disconnect the TV from the network for 1 minute, then turn on.

If you are not sure about your soldering skills, it is better to contact the service.The cost of repairing the Xiaomi Mi IR remote TV 4S in 2026 - from 500 to 1500 rubles (depending on the malfunction).

5. Alternative ways to control the TV without a remote

While you are restoring the remote, you can control Xiaomi Mi TV 4S otherwise:

• 📱 Mi Remote app (available for Android and iOS): Download from Google Play or App Store. select TV model (Mi) TV 4S) and connect via Wi-Fi or Bluetooth.
• 🖱️ mouse or keyboard USB/Bluetooth: Connect to the port. USB Or Bluetooth on your TV. Use it to navigate the menu (arrows, Enter, Esc).
• 🎮 Gamepad (e.g. from Xbox or PlayStation): Connect via Bluetooth in the Settings menu → Devices → Add accessory. Assign buttons manually (similar to remote control).
• 💻 HDMI CEC (Control from console or sound panel: Activate in Settings → HDMI CEC. Use the remote from Xiaomi Mi Box, Apple TV soundbar.

If neither method works, check if alternative input methods are blocked in the security settings.

1. Connect the TV to the router via Ethernet (if Wi-Fi is not working).
2. Go to the router control panel (usually 192.168.1.1) and find the Xiaomi Mi. TV 4S plug-in.
3. Open the web interface of the TV on it IP-address (e.g. 192.168.1.100:8080).
4. In the Remote Control menu, unlock alternative input devices.

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If the TV is not responding to any control mode, the problem may be the motherboard (south bridge or microcontroller failure), in which case a diagnosis is required at the service center.

6. reset the TV to factory settings (if the remote does not respond)

If the remote doesn't work and alternative controls are not available, there's a hardware reset, which will bring the TV back out of the box, but it will remove all settings, accounts and installed apps.

Method 1: via buttons on the TV (for all Xiaomi Mi models) TV 4S)

1. Find the physical Power button on the back of the TV.
2. Hold it for 10-15 seconds until the TV turns off and turns on again.
3. After the reboot, a recovery menu will appear on the screen.
4. With Volume buttons +/– (volume) select Wipe Data/Factory Reset.
5. Confirm the reset with the Power button.

Method 2: via service menu (for firmware only) MIUI TV)

1. Turn the TV off the socket.


2. Press the Volume + button on the TV case.




3.Plug in the power by holding Volume+ until the Mi logo appears.




4. In the service menu, select Factory Reset using Volume +/- and confirm Power.

⚠️ Attention: On TVs with Google TV (2022 firmware and later, a hardware reset can block access to certain features (like Google Assistant) before re-authorizing. Prepare data from your Google account linked to your TV in advance.

After discharge:

• Reconnect the remote (for Bluetooth models).
• Update the firmware to the latest version.
• Restore the settings from the backup (if it was created).

7.When to contact the service: signs of serious malfunctions

If all of these methods fail, the problem may be hardware.

• 🔥 The remote smells of smoke or the board shows blackened elements.
• 💥 The TV does not turn on even after the reset.
• 📡 IR receiver on TV physically damaged (cracks, dents).
• 🔄 The remote works unstable even after battery replacement and reset (e.g., reacts only from close range).
• 🛠️ Artifacts (strips, flickering) appear on the screen when using the remote control.

The cost of repairs in 2026:

Before the service visit:

• 📋 Write down a model of the TV (on the sticker at the back, for example, L43M6-6ARG).
• 🔋 Bring your remote control (even if it doesn’t work).
• 📱 Backup your settings if the TV is still on.

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Xiaomi's official service centers have a warranty for remotes up to 12 months (if the TV is purchased after 2021).

FAQ: Frequent questions about Xiaomi Mi remotes TV 4S