Setting up the screen resolution on the Xiaomi TV: from 720p before 4K

Xiaomi Mi TVs TV They offer a wide range of screen resolution settings, but not all users know how to configure them correctly. The correct choice of resolution depends not only on the quality of the picture, but also on the performance of the device – especially if you connect game consoles or use TV as a monitor. In this article, we will discuss all the available ways to change the resolution, including hidden settings for power users.

Many people face problems: the image is blurry, the text is too small, or the TV automatically lowers the resolution when connecting external devices. HDMI We can help you understand what resolution your Mi supports. TV, How to change it manually and what to do if the desired mode is not displayed in the menu.

Unlike smartphones, where screen resolution is fixed, Xiaomi TVs (especially Android models) TV) This allows you to flexibly control the output, and this is true for gamers who want to get it. 4K@120Hz, Or for owners of old consoles that need to be forced to install 720p. It’s important to understand that not all TVs support high refresh rates – it depends on the version. HDMI-port-processor.

If you have never changed your permission to your Mi TV, It's probably in Auto's smart mode, which automatically adjusts to the source signal, which is convenient, but not always optimal. For example, when you watch movies in low resolution, the TV can artificially stretch the picture, which leads to loss of clarity.

1.What permissions do Xiaomi TVs support?

Mi lineup TV includes models with different screen characteristics. Basic TVs (e.g. Mi) TV 4A) usually limited to full HD (1920×1080) upon 60 Hz, while flagship models (Mi) TV Q2, Mi TV Master's support 4K (3840×2160) frequent 120 Here are the basic standards you may meet:

• 📺 720p (HD) — 1280×720, Suitable for TV and older devices
• 🎮 1080p (Full HD) — 1920×1080, optimally for most content
• 🎥 4K UHD — 3840×2160, Maximum quality for modern films
• 🔄 1080p@120Hz / 4K@60Hz — Gamer modes (required) HDMI 2.0/2.1)

To find out what modes are available on your model, check the specifications on the official Xiaomi website or look at the sticker on the back of the TV. 4K, some HDMI-Ports may be limited to Full HD — It is typical for budget models.

It is also important to consider the version. HDMI:

- HDMI 1.4 — maximum 4K@30Hz or 1080p@120Hz

- HDMI 2.0 — before 4K@60Hz

- HDMI 2.1 — supportive 4K@120Hz and 8K

On Xiaomi TVs with an Amlogic processor (e.g. Mi) TV 4S) forced inclusion 4K@120Hz This can lead to artifacts of the image due to hardware limitations. 4K@60Hz or 1440p@120Hz, if such a regime is available.

2. How to change the resolution in standard settings

The easiest way to adjust resolution is through the TV menu. The instructions are suitable for all Android models. TV (Mi TV 4/4A/4S/4X/Q1/Q2) Google TV (model 2023+ Follow these steps:

1. Press the Settings button on the remote.
2. Go to the Display and Sound section → Screen resolution.
3. Select the desired mode from the list (for example, 3840×2160 (4K)).
4. Confirm the changes – the TV will show a test image for 10 seconds.

If the required permission is not on the list, this means that:

Your model doesn't physically support this regime.

- Current signal source (e.g, HDMI-cable limits the possibilities.

Auto mode is enabled, which blocks manual settings.

For models with PatchWall (firmware for India), the path may be different: → The device → Display. → Screen resolution.

Important! After changing the resolution, some interface elements (such as fonts in the menu) may become too small. In this case, go back to the settings and enable the option to Scale the interface or reduce the resolution to 1080p.

3. Set up permission for external devices (HDMI)

If you connect to the TV Xiaomi game console (PS5, Xbox Series X, computer or media player, resolution may be reset or malfunctioning, because the TV and signal source are "agreed" on supported modes via the protocol. EDID. Here's how to manage the process:

Method 1: Forced change at source

• 🎮 For PlayStation 5: Settings → Screen and video → Permission
• 🖥️ For PC (Windows): Screen settings → Additional parameters → Permission
• 📺 For Xbox: Settings → General. → TV and display settings

Method 2: Setup HDMI-TV-only

1. Connect the device to the TV.
2. Go to Settings → Devices → HDMI- Devices.
3. Select the desired port (for example, HDMI 1).
4. Activate PC Mode (for monitors) or Game Mode (for consoles).

If the image is not stable (shimmering or disappearing), try:

- Use the other HDMI-cable (preferably with Premium Certified label).

- Switch to another port (for example, HDMI 2.1 is usually marked separately).

- Manually limit the frame rate at the source (for example, set the 4K@30Hz instead 60Hz).

4. Hidden permission settings (for power users)

On Xiaomi TVs with Android TV There are hidden engineering menus where you can manually set custom permissions or bypass firmware restrictions.

Method 1: ADB (Android Debug Bridge)

1. Turn on the debugging. USB in the settings of the TV (About TV) → Assembly number - press 7 times).
2. Connect to your TV over Wi-Fi or Ethernet and execute the command: adb shell wm size 3840x2160 (replace the values with the ones you need).
3. To apply the changes, restart the TV: adb shell reboot

Method 2: Through the Service Menu

On some models (e.g., Mi) TV 4S) You can enter the service menu by holding on the remote: Menu + Input + Volume Down (Simultaneously 5 Seconds).

In the menu, find the Display Settings section and manually set the parameters:

- HDMI Mode (e.g., Mode, PC Mode)

- Output Resolution

- HDCP Version (for protected content)

⚠️ Attention: Incorrect settings in the service menu can lead to a "brick" of the TV (loss of image). If the screen turns black after changes, wait 10 minutes - sometimes the TV automatically resets. If this does not help, you need to reset via Recovery Mode (instruction below).

5. Optimal settings for different scenarios

The choice of resolution depends on how you use the TV, and here are some tips for the tasks:

It's especially important for gamers to consider input lag. 4K@120Hz It is minimal, but if the TV does not pull such a load, it is better to choose the right one. 1080p@120Hz — The difference in quality will be small, and responsiveness will improve.

⚠️ Note: On Xiaomi TVs with MediaTek processor (e.g. Mi) TV Q1) switch-on 4K@120Hz Dolby Vision support may be disabled if you're more interested in quality. HDR, than the high frame rate, select 4K@60Hz Dolby Vision enabled.

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If you are watching movies in 4K The TV is periodically "slowing down", try to turn off the function AI Super Resolution in image settings. It artificially increases resolution, but it takes a lot of resources.

6. Solving resolution problems

If after changing the settings, the image disappeared, artifacts appeared or the TV does not save the selected mode, use these tips:

• 🔌 Black screen after changing the resolution: - Hold the Power button on the remote for 10 seconds to reset. - If it does not help, disconnect the TV from the network for 1 minute.
• 🔄 Resolution resets when restarting: - Update the TV firmware to the latest version. - Check settings HDMI-CEC (It can be in conflict with external devices).
• 🎯 No permission required in the list: - Try another one HDMI-cable (e.g. with support) 48Gbps). - Install firmware from Xiaomi.eu (unofficial, but with advanced settings).
• 🖥️ It's not on the PC. 4K: - Update your graphics card drivers (especially for the NVIDIA/AMD). - To the control panel. NVIDIA manually add user permission.

If the problem persists, reset the image settings:

1. Go to Settings → System → Resetting settings.
2. Select Reset Image Settings (not a full reset!).
3. After restarting, set the permission again.

PatchWall models in India may require a complete factory reset, and save important data (e.g., a list of installed applications) before doing so.

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If the TV does not turn on after changing the resolution, but the indicator is on, try connecting it to another signal source (for example, to a console with output). 1080p). Sometimes it helps to wake up the screen.

7. Update firmware for new resolution modes

The manufacturer regularly adds support for new resolutions and frequencies through software updates. v2.1.45 for Mi TV Q2 support 1440p@120Hz, It's not the same as when it was released:

1. Go to Settings → About TV → System Update.
2. Click Check for updates.
3. If a new version is available, confirm the installation.

For manual firmware installation:

1. Download the firmware file (.zip) from the official Xiaomi website (support section).
2. Copy it onto a flash drive (format) FAT32).
3. Connect the flash drive to the TV and select Update with USB.

⚠️ Warning: Do not interrupt the update process, this can damage system files. If the TV freezes during the "Package Check" stage, wait 15-20 minutes. If the indicator does not blink, turn off the power and try again with another flash drive.

After updating, check the available resolution modes – they can appear in the settings. Also, look for release notes (description of changes in the firmware), where the manufacturer indicates the added features.

FAQ: Frequent questions about resolution on Xiaomi TV