Xiaomi remote doesn't work? full inspection and repair manual

Xiaomi’s remote control – whether it’s a model for a Mi TV TV, Mi Box media player or Mi Home smart device sometimes fails to respond to commands, and the causes can range from a dead battery to mechanical damage to the board. In this article, we will discuss 7 diagnostic methods that will help determine whether the remote control or the problem in the device itself is to blame.

It is important to understand that Xiaomi remotes with infrared (IR) And the Bluetooth connection is tested in different ways, like the Mi Remote Controller for TVs is usually IR-based, and the remotes for the Mi Box S or Mi Stick can use Bluetooth, and we'll look at both options, and we'll give you some repair recommendations if the remote does break.

If you've never taken a remote or dealt with a soldering iron, don't worry. Most problems are solved without special skills, just follow the steps and use the tools at hand.

1. Testing of elementary causes: batteries and obstacles

Start with the simplest. 90% of the time, the remote doesn't work because of dead batteries or physical barriers between the remote and the receiver. Even if you're sure the batteries are new, they're worth checking -- sometimes they're defective or they're discharged in a matter of days (especially cheap ones).

How to check the batteries correctly:

• 🔋 Remove the batteries and inspect the contacts in the remote compartment. If they're oxidized (green coating), clean them with a cotton swab soaked in alcohol.
• 🔄 Change the batteries (if they are the same) and sometimes one of them will run out faster and the remote will not work properly.
• 📱 Check the voltage with a multimeter (should be) ~1.5B on each battery. If there is no device, insert the batteries into another device (e.g. watches).
• 🔌 Use a different brand of battery. Some Xiaomi remotes don't work well with cheap alkaline batteries.

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

• 📺 Point the remote directly to the IR receiver (usually located at the bottom of the TV screen or on the front of the console).
• ☀️ Avoid direct sunlight – they can drown out the IR signal.
• 💡 Turn off bright light sources (chandeliers, lamps) that work in the infrared spectrum.

⚠️ Note: If the Xiaomi Mi remote is TV Stick connects via Bluetooth, obstacles don't affect the signal, but the distance should not exceed 10 meters, and there should be no thick walls of concrete or metal between the remote and the device.

2.How to check the IR remote Xiaomi with a smartphone

If the batteries are fine but the remote doesn't respond, check if the infrared transmitter is working. You don't need a tester -- you just need a smartphone with a camera. Most cameras, especially older ones, see infrared light.

Instructions for verification:

1. Turn on your smartphone camera (anyone, not even Xiaomi).
2. Point the remote with an IR transmitter (usually the top with a transparent or dark window) into the camera lens.
3. Press any button on the remote and look at the screen of your smartphone. If the remote is working, you'll see a flashing purple or white light.

What do the results mean?

• ✅ Light flashes - the remote is serviceable, the problem is in the receiver of the device (TV, consoles).
• ❌ No light - the remote transmitter is defective (possibly the contacts have gone away or the IR diode has burned out).
• 🔄 Light flashes faintly or irregularly – batteries are discharged or button contacts are contaminated.

If the lights aren't flashing, try cleaning the button contacts (more on that in the next section), and if that doesn't work, you'll probably have to take apart the remote to diagnose the board.

3. Cleaning of button contacts: step-by-step instructions

Over time, dust, fat and dirt accumulate under the buttons of the remote, which interfere with normal contact, which is one of the most common reasons why the Xiaomi remote works “once” or does not respond to presses.

You'll need:

• 🧴 Isopropyl alcohol (90% or higher) or vodka.
• 🧻 Cotton swabs or soft tissue without pile.
• 🔧 Flat screwdriver (for careful button-setting).

Step-by-step cleaning:

1. Remove the batteries from the remote.
2. Carefully screw one of the buttons (start with the largest, for example, OK The buttons are attached to plastic latches.
3. Take off all the buttons and put them aside (don't lose them!) and underneath, you'll see a rubber membrane with conductive tracks.
4. Soak the cotton swab in alcohol and wipe: 🔘 Contacts on the board of the remote (metal circles). 🖍️ Current-conducting tracks on a rubber membrane. 🧽 The inside of the buttons (there is also dirt accumulating there).

Allow the parts to dry for 10-15 minutes (alcohol evaporates quickly).

Collect the remote in reverse order, insert the batteries and check the work.

⚠️ Warning: Do not use acetone, gasoline or other aggressive solvents to clean, as they can damage plastic and rubber parts. Also, do not wash the remote control under water, even if it seems sealed.

If after cleaning the remote worked, but the buttons began to "stick" or fall, lubricate the rubber membrane with silicone grease (you can buy in the auto parts store). Apply it in a thin layer so as not to clog the contacts.

Diagnostics of Bluetooth remote (for Mi Box, Mi Stick, etc.)

Remotes for Xiaomi Mi Box S, Mi TV Stick and other devices often connect via Bluetooth rather than IR, in which case previous verification methods will not work:

• 🔌 The device (Mi Box, Mi Stick) is on and in standby mode (not in sleep mode).
• 🔄 The remote is paired to the device, and sometimes the connection gets lost after the firmware update.
• 📶 The distance between the remote and the device does not exceed 10 meters, and there are no thick walls between them.

How to reconnect Bluetooth remote:

1. Turn off the Mi Box or Mi Stick for 30 seconds, then turn it on again.
2. Press and hold the back buttons. + Home on the remote for 5-7 seconds, until the indicator flashes (if any).
3. Wait for automatic pairing. If the remote doesn't connect, try manually: Go to Settings. → Devices → Bluetooth on the Mi Box. Select Add the device and follow the instructions on the screen.

If the remote still doesn’t work, try resetting it:

1. Remove the batteries from the remote.


Press and hold any button (e.g. OK) for 20 seconds.




3. Put the batteries back in and try to hide the remote again.

⚠️ Note: Some Mi Box models (such as the Mi Box 4) can block the remote after several failed connection attempts, in which case only resetting the device to factory settings (in the Settings menu) will help. → The device → Reset).

5. Disassembly of the remote for deep diagnostics

If all the previous methods didn't work, you'll have to take apart the remote to check the board and contacts, which is a more complicated procedure, but even a beginner can handle it if you act carefully.

Disassembly tools:

• 🔧 Plastic spatula or mediator (so as not to scratch the body).
• 🔩 Cross screwdriver (usually screws in Xiaomi remotes are small).
• 🕵️ Loop (to inspect small details on the board).

Step-by-step:

1. Remove the batteries and unscrew all the screws on the back cover of the remote (they can be hidden under stickers).
2. Carefully apply a plastic latch blade around the perimeter of the case.
3. Take the back cover off and get the board out: 🔥 Blackened or bloated elements (resistors, capacitors). 💧 Traces of oxidation or moisture (green plaque, white divorces). 🔌 Torn tracks or contacts (especially near buttons).

IR-diode

If you find broken tracks or burned items, but do not have experience soldering, it is better to contact the service center.

• 🔧 Oxidized contacts are cleaned with a stripe or small sandpaper (zero).
• 🔥 Bloated capacitors are replaced with new ones (you need to know the nominal value).
• 🔌 The cut wires are soldered back (use a soldering iron of 25-40 watts).

💡

If you have never soldered, practice on an unnecessary board. Xiaomi remotes are suitable for a soldering iron with a thin sting and solder with a diameter of 0.5 mm. Do not overheat the fee - keep the soldering iron no longer than 3-5 seconds in one place.

6. Checking the signal receiver on the TV or console

If the remote is functional but the device is not responding, the problem may be the signal receiver: Xiaomi TVs usually have it at the bottom of the screen (right or left), Mi Box TVs have it at the front.

How to check the receiver:

• 🔍 Examine the IR receiver (a small window, often red or black) if it is contaminated, wipe it with a soft cloth soaked in alcohol.
• 📱 Point the operating remote (tested by the method with a smartphone) to the receiver and see if the indicator flashes on the device (if there is one).
• 🔌 Try connecting another remote to the device (for example, from a universal remote or a smartphone with an IR transmitter).

If the receiver doesn't respond to any remote control, it may have failed.

• 🔄 Reboot the device (Mi) TV, Mi Box – sometimes the receiver “hangs” after the update.
• 🛠️ If you are an electronics expert, check the receiver's power with a multimeter (should be ~3.3B or 5B depending on the model).
• 📞 Contact Xiaomi Service Center – the receiver can be replaced, but this requires disassembling the device.

There's another way to check for the Mi Box and Mi Stick, and that's to connect your mouse or keyboard over Bluetooth, and if they work and the remote doesn't, the problem is exactly the remote or the interface.

7. Alternative ways to control the Xiaomi device

While you're fixing or waiting for a new remote, you can control a Xiaomi device in other ways.

For Mi TVs:

• 📱 Mi Remote (available for Android and iOS) supports IR and Bluetooth, works as a full-fledged remote.
• 🕹️ Gaming controller (e.g. Xiaomi Game Controller) Some models support basic menu navigation.

For the Mi Box and Mi Stick:

• 🖱️ Bluetooth mouse or keyboard. Connect to the Settings menu → Devices → Bluetooth.
• 📱 Google appendix TV It's called Mi Remote, which lets you control the console over Wi-Fi.
• 🎮 Gamepad (e.g. Xbox Controller or DualShock) supported by most Mi Box.

If you have a Xiaomi smart device (like a Yeelight lamp or a robot vacuum cleaner), you can control it through:

• 📱 Application Mi Home (main method).
• 🗣️ Voice assistants (Alice, Google Assistant, Siri through Mi Home integration).

💡

Mi Remote app can control not only Xiaomi equipment, but also devices of other brands (Samsung, LG, Sony et al.) via the IR port of the smartphone.

FAQ: Frequent questions about Xiaomi remotes