How to connect Xiaomi Redmi Note 8 Pro to your TV via HDMI: full instruction with photos and videos

Why to connect a smartphone to a TV and what you need

Do you want to bring the Xiaomi Redmi Note 8 Pro screen to a big TV to watch a movie, play mobile games on the wide screen or show photos to friends? HDMI is one of the most stable ways to transfer images with minimal latency. Unlike wireless technologies like Miracast or Google Cast, cable connection ensures no lags and high quality of the picture even in dynamic scenes.

However, the Redmi Note 8 Pro does not have an HDMI port built in, so additional accessories will be needed. In this article, we will discuss all working ways of connecting, including choosing adapters, setting up your smartphone and TV, and solving typical problems.

Before you start, check:

  • ๐Ÿ“ฑ Version MIUI on your Redmi Note 8 Pro (relevant to 12-14 versions)
  • ๐Ÿ“บ Availability of a free port HDMI on the TV (better to use it) HDMI 2.0 support 4K@30Hz)
  • ๐Ÿ”Œ Type of charging connector on a smartphone (the Note 8 Pro is USB-C)

The most reliable method is to use a dedicated adapter from USB-C to HDMI. Importantly, the Redmi Note 8 Pro does not support the DisplayPort Alt Mode standard, so conventional passive adapters (for example, for Samsung DeX) will not work.

We tested several adapter models and compiled a compatibility table:

Adapter model4K supportDelay (MS)Price (โ‰ˆ)Notes
Baseus USB-C to HDMI (with chip)โœ… Yes (4K@30Hz)~40 ms.1 500 โ‚ฝRequires USB power supply
UGREEN USB-C to HDMI 4Kโœ… Yes (4K@30Hz)~35 ms.1 800 โ‚ฝIt works without additional food.
No-name adapter (AliExpress)โŒ No (1080p@60Hz)~60 ms.500 โ‚ฝFrequent image artifacts

Instructions for connection:

  1. Connect the adapter to the USB-C port on your smartphone.
  2. Connect the adapter to the TV via an HDMI cable.
  3. Select the signal source (HDMI 1/2/3) on the TV.
  4. On the smartphone will appear a notification about the connection of the external display โ€“ confirm the duplicate screen.

โš ๏ธ Note: If the image doesn't appear, check that the adapter is getting enough power.Some models require a charger connection via an additional port. USB-A.

Check the support for the conversion chip (not passive adapter)

Make sure you are compatible with Android 9/10

Note the resolution allowed (minimum 1080p)

Read reviews about the delay (for games critical <50 ms)

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Method 2: Wireless connection via Miracast (alternative to HDMI)

If you donโ€™t want to buy an adapter, you can use Miracast technology, which is built into the Redmi Note 8 Pro. This method is wireless, but has limitations: delays up to 100-150 ms and reduced image quality with a weak Wi-Fi signal.

How to turn on Miracast:

  1. Open Settings โ†’ Connection and Sharing โ†’ Screen Transfer.
  2. Activate the feature and select your TV from the list of available devices.
  3. Confirm the connection on the TV (usually input is required) PIN-code).

Advantages of the method:

  • ๐ŸŽฎ No need to buy adapters
  • ๐Ÿ“ถ Works at a distance of up to 10 meters
  • ๐Ÿ”„ Supports duplication and screen expansion

Disadvantages:

  • ๐Ÿข Noticeable delay (not suitable for shooters or racing)
  • ๐Ÿ“‰ Image quality depends on the Wi-Fi network
  • ๐Ÿ”‹ Increased battery consumption of the smartphone

โš ๏ธ Note: Some Samsung TVs and LG The 2018-2020 Miracast feature may be called Screen Mirroring or Smart View. If the TV is not on the list, update the firmware MIUI last-minute.

๐Ÿ“Š Which way of connecting you prefer?
Through HDMI-adapter
Wi-Fi (Miracast)
Smart TV (Apple TV, Xiaomi Box)
I haven't decided yet.

Method 3: Connect via Smart TV (Xiaomi Mi Box, Apple TV)

If you have a Xiaomi Mi Box S, Apple TV Or a similar device, you can use it as a mediator to output an image, and it's universal, and it works even with televisions without any other media. HDMI-ports (through AV or SCART adapter).

For Xiaomi Mi Box S, the instructions are as follows:

  1. Connect the set-top box to the TV via HDMI.
  2. Install the Google Home app (for Apple TV โ€“ AirPlay) on your smartphone.
  3. In the application, select your console and activate the Transmit screen function.
  4. On your smartphone, confirm the start of the broadcast.

Comparison with other methods:

ParameterHDMI-adapterMiracastSmart TV set-top box
Delay.~30-50 ms~100-150 ms~60-80 ms.
Image qualityโญโญโญโญโญ (4K)โญโญโญ (1080p)โญโญโญโญ (4K)
Cost1 500โ€“2 000 โ‚ฝFree of charge.3 000โ€“6 000 โ‚ฝ (if there is no prefix)

๐Ÿ’ก

If you already have a prefix Xiaomi Mi Box, this method is optimal for watching movies and TV series โ€“ the delay is minimal, and the quality of the picture is not inferior to direct. HDMI-connection.

Adjusting the sound when connected to the TV

By default, sound can continue to play through the speakers of the smartphone. To redirect it to the TV, follow the following steps:

For HDMI-adapter:

  1. Connect your smartphone to the TV.
  2. Open Settings โ†’ Sound and vibration โ†’ Sound output.
  3. Select HDMI or External Device.

For Miracast:

  1. Activate the screen transmission.
  2. In the notification panel, click on the Sound icon.
  3. Select the Output Device โ†’ [The name of your TV].

If the sound is not transmitted:

  • ๐Ÿ”Š Check that the TV is not in Mute mode.
  • ๐Ÿ”„ Restart your smartphone and TV.
  • ๐Ÿ”ง Update the firmware MIUI (In some versions there are bugs with sound on HDMI).

โš ๏ธ Note: When connected via cheap adapters, you may experience audio and video desynchronization. In this case, try to reduce the output resolution to 720p screen-setting.

Problem Solving: No image or sound

If the TV screen is black or the sound is not played after you connect, use this instruction:

Problem 1: No image of the image

  • ๐Ÿ”Œ Check that the cable HDMI It is good (try another cable).
  • ๐Ÿ“ฑ Reboot your smartphone with a connected adapter.
  • ๐Ÿ“บ On the TV, select the right signal source (HDMI 1/2/3).
  • ๐Ÿ”ง In the settings of the smartphone, turn on the developer mode and activate debugging by USB (Sometimes it helps with adapters).

Problem 2: No sound.

  • ๐ŸŽง Make sure that the sound settings are selected HDMI output-wise.
  • ๐Ÿ”Š Check if the sound on the TV is off.
  • ๐Ÿ”„ Reconnect the adapter (sometimes physical disconnection/connection helps).
  • ๐Ÿ“ฒ Update the firmware MIUI โ€” In the old versions there were bugs with sound on HDMI.

Problem 3: Image blinks or slows down

  • ๐Ÿ–ฅ๏ธ Reduce the withdrawal permission to 1080p screen-setting.
  • ๐Ÿ”Œ Connect the adapter to the charger (some models require additional power).
  • ๐Ÿ”„ Try another one. HDMI-cable (preferably with high speed support).

What to do if the adapter is warm?
If the adapter gets too hot, it may indicate a power shortage or a defect in the device. disconnect it from the smartphone and let it cool for 10-15 minutes. If the heat is repeated: 1. Connect the adapter to the charger (5V/2A). 2. Check if the vents are closed (if any). 3. Try another adapter - overheating may indicate a low quality conversion chip.

How to play mobile games on TV without lag

If you connect the Redmi Note 8 Pro to a gaming TV, itโ€™s important to minimize latency (input lag).

For HDMI-connection:

  • ๐ŸŽฎ Use an adapter with a delay of no more than 30โ€“40 ms (see compatibility table above).
  • ๐Ÿ–ฅ๏ธ Set the withdrawal permission. 1080p@60Hz is the optimal balance between quality and responsiveness.
  • ๐Ÿ”‹ Connect your smartphone to charging while playing to avoid performance drawdowns.

For Miracast:

  • ๐Ÿ“ถ Connect your smartphone and TV to a single 5GHz Wi-Fi network (less interference).
  • ๐ŸŽฎ Play genres with low dependence on delay (strategy, quests).
  • ๐Ÿ”ง In the developer settings, turn off window animation (Settings) โ†’ The phone. โ†’ Version. MIUI โ€” 5 times to activate the developer mode).

Best games for TV:

  • ๐Ÿ† PUBG Mobile (with gamepad)
  • ๐ŸŽฎ Call of Duty: Mobile (Controller Mode)
  • ๐ŸŽ๏ธ Asphalt 9 (supports gamepads)
  • ๐Ÿงฉ Minecraft (convenient to play with joystick)

๐Ÿ’ก

For minimum delay in games, use only HDMI-Active chip adapter. Wireless technology (Miracast, AirPlay) gives a delay of 100 ms, which is critical for shooters and racing.

FAQ: Frequent questions about connecting Redmi Note 8 Pro to the TV

Can I connect the Redmi Note 8 Pro to a TV without an adapter?
Yes, but only with Miracast wireless technology, but the quality and stability will be worse than when you're in the screen. HDMI-This is not a good way to play games because of the high latency.
Why canโ€™t the TV see the smartphone through HDMI?
The reasons may be: Passive adapter is used (you need an adapter with a conversion chip); power shortage (plug the adapter to charge); the right signal source on the TV is not selected; outdated MIUI firmware (update to the latest version).
How to display only video on TV and leave the sound on your smartphone?
When you connect to HDMI, the sound is automatically redirected to the TV. To leave it on your smartphone: Connect your headphones or Bluetooth speakers to your smartphone. In your audio settings, select Headphones or Bluetooth device as your primary. For Miracast, the sound is always transmitted to your TV, you can't change that.
Does the Redmi Note 8 Pro support 4K HDMI output?
Technically yes, but only when using an adapter with a conversion chip (e.g. UGREEN USB-C to HDMI 4K).However, due to the limitations of the Mediatek Helio G90T processor, the actual resolution can be limited to 1080p@60Hz or 4K@30Hz.
Can I connect a gamepad to a smartphone when playing on TV?
Yes, Redmi Note 8 Pro supports Bluetooth gamepad connectivity (e.g., Xiaomi Game Controller or Sony DualShock 4). To do this: Activate the gamepad pairing mode. On your smartphone, go to Settings โ†’ Bluetooth and connect the device. Launch the game and select the gamepad control mode.