Why Xiaomi TV remote is not the same as the others
Xiaomi’s remotes stand out from the competition not only for their minimalist design, but also for their unique TV-connection architecture. Unlike traditional infrared panels, which require direct vision, most modern Mi TVs use hybrid technology: a combination of Bluetooth for stable connectivity and an infrared transmitter for third-party compatibility, which allows you to control your TV even through walls or from another room – a feature that is especially valued in smart homes.
However, this flexibility has the downside: users often face synchronization problems, reaction delays or sudden button glitches. In this article, we will discuss in detail how the Xiaomi TV remote works at the technical level, what communication protocols are involved, and how to properly configure the device to avoid typical errors. Particular attention will be paid to the differences between the models of the remotes for the Mi TV 4S series, Mi TV Q1/Q2 and the flagship Mi TV 6 OLED – their functionality and management protocols are significantly different.
Technical principles of operation: IR vs Bluetooth
The main difference between Xiaomi remotes and classic ones is that you use two channels at the same time.
- 📶 Bluetooth Low Energy (BLE): The main protocol for most modern remotes TV. Operates at 2.4 GHz, provides two-way communication (the remote receives feedback from the TV) and does not require direct vision.
- 🔴 Infrared transmitter (IR): used as a backup channel for compatibility with other devices (e.g. air conditioners or sound panels) Operates only in line of sight, range up to 5-7 meters.
- 🔄 Hybrid mode: the remote automatically switches between protocols. For example, if Bluetooth is disabled in the settings of the TV, control goes to IR (with limited functionality).
It is important to understand that not all Xiaomi TV models support both protocols. For example, budget versions of the Mi TV 4A (released before 2020) often featured only IR remotes, while the Mi TV Q1 2022 and later use only Bluetooth with voice control via Google Assistant or XiaoAI. Check your remote type in the TV menu: go to Settings → Devices → Remote control.
A critical feature: Xiaomi Bluetooth remotes are not compatible with other brands (Samsung, LG, Sony) without additional adapters, whereas IR remotes can work universally through button training.
Communication Scheme: How a signal from a button is converted into a command
The process of transferring a command from the remote to the TV can be divided into 5 key steps, and let's consider them with the example of pressing the Volume+ button:
- Press registration: A physical button closes the contact on the remote board, generating an electrical impulse.
- Command encoding: The remote microcontroller converts the tap into a digital code (e.g., 0x1A to increase volume). Each button has a unique identifier.
- Protocol Selection: The remote controls determine which channel is active (priority is given to Bluetooth if available).
- Data transmission: - Bluetooth: data packet is sent to the TV with confirmation of receipt (handshake). - IR: pulses of infrared light are modulated at a frequency of 38 kHz (standard for most remotes).
- TV processing: The TV processor decodes the command and performs the action (in this case, it increases the volume by 1 dB).
This entire cycle takes between 50 and 200 milliseconds depending on the protocol, and delays over 300 milliseconds usually indicate connection problems (e.g., 2.4 GHz interference from a Wi-Fi router or microwave).
Why do buttons react with a delay?
Differences in remotes for different Xiaomi TV series
Xiaomi produces several types of remotes that look similar, but have different technical characteristics, the table below shows the key differences:
| Model TV set | Type of remote | Communication protocols | Additional functions | Compatibility |
|---|---|---|---|---|
| Mi TV 4A/4S (2018-2020) | Basic IR remote | IR only (38 kHz) | TV control buttons, no voice input | It works with any IR devices. |
| Mi TV Q1/Q2 (2021) | Bluetooth remote with IR | Bluetooth 4.2 + IC | Voice assistant XiaoAI, touch panel | Only with Xiaomi TVs |
| Mi TV 6 OLED (2022-2026) | Bluetooth 5.0 with a gyroscope | Bluetooth 5.0 (without IR) | Gesture management, built-in microphone for Google Assistant | It requires firmware not lower than MIUI TV 3.0 |
| Redmi Smart TV (all models) | Simplified Bluetooth | Bluetooth 4.0 | No voice control, only basic buttons | Not compatible with Mi TV older than 2021 |
Note that the remotes from the Mi TV 6 OLED won’t work with older models (e.g., the Mi TV 4S), even if they look the same on the outside. This is due to a change in the Bluetooth protocol and a lack of backward compatibility. If you lose the original remote, buy a replacement strictly for your TV model.
💡
To check the remote’s compatibility with your TV, open the Settings → About menu and compare the MIUI TV version with the requirements in the table above.
Setup and synchronization of the remote with the TV
If the remote is no longer responsive or you buy a new one, you need to tie it to the TV, and the process varies depending on the protocol:
Bluetooth remotes (Mi TV Q1/Q2, Mi TV 6)
Make sure the TV is on and on the menu.
Press and hold the Menu + OK buttons on the remote for 5 seconds.
Wait for the indicator to flash on the remote (blue LED)
Select "Add remote" from the TV menu (Settings → Devices)
Confirm the connection on the screen-->
If the synchronization fails:
- ⚡ Check the battery charge (minimum) 3V steady-work).
- 🔄 Reboot the TV: Press the power button on the case for 10 seconds.
- 📱 Remove old remotes from the list of devices in Bluetooth settings.
For IR remotes (Mi TV 4A/4S)
The IR remotes don't need to be synchronized, but they may need to be "trained" if you're using a universal remote.
- Point the remote to the IR receiver of the TV (usually located at the bottom of the screen).
- Press and hold Setup (or Learning) on the universal remote.
- Press the button on the original remote that you want to copy (for example, Volume+).
- Repeat for all necessary buttons.
💡
Xiaomi Bluetooth remotes cannot be “trained” like IR devices; they only work with Xiaomi TVs through a proprietary protocol.
Typical problems and their solutions
Even the most reliable remotes sometimes fail, and here are the most common faults and ways to fix them:
⚠️ Note: If the remote stopped working after updating the TV firmware, try rolling back the software to the previous version through the Settings menu → System system → Update → In some cases, new versions MIUI TV Blocking old Bluetooth protocols.
| Problem. | Possible cause | Decision |
|---|---|---|
| Remote is not responding to pressing | Batteries discharged or Bluetooth malfunction | Replace your batteries with new ones (Duracell or Energizer are recommended). |
| Buttons are running with a delay | Interference at 2.4 GHz | Turn off other Bluetooth devices or switch the router to a 5GHz channel. |
| Some buttons are not working. | Contact contamination or damage to boards | Wipe your contacts with alcohol. If it doesn't work, you need to change the remote. |
| The remote itself arbitrarily presses the buttons. | Sticking contacts or firmware failure | Take the remote and clear the board. Update the TV to the latest version. |
If neither of these methods worked, check the remote on another Xiaomi TV (if you can), if it works, there is a problem in the TV (possibly a Bluetooth module failed), in which case, contact the service center with a check for the purchase.
Hidden features of the Xiaomi TV remote
Many users do not even realize that Xiaomi remote can do more than just switch channels.
- 🎤 Voice control: on remotes with microphone (e.g. Mi) TV 6 OLED) Hold the XiaoAI or Google Assistant button to set the command (e.g., “Enable Netflix on the Google Assistant”) 4K"). It only works when connected to the internet.
- 🖱️ Control of the cursor: on remotes with a gyroscope (series) Q2 And now, you can move the cursor around the screen, tilt the remote like a gamepad. OK.
- 🔋 Battery savings: If the remote is not used for more than 5 minutes, it automatically goes to sleep.To wake it, press any button.
- 🔄 Fast Source Switching: Hold Home 3 Seconds to Open the Menu of Last Used Inputs (HDMI, USB, TV).
Unique feature for Mi TV 6: The remote can be used as a console console console (e.g. Xiaomi Mi Box) if synchronized through the Settings menu → Devices → Game controllers.