How to turn on frameless mode on Xiaomi TV: a detailed guide with photos

The frameless mode (or Full Screen Mode) on Xiaomi TVs allows you to maximize the area of display of content by hiding black fields at the edges of the screen. This feature is especially relevant for owners of Mi TV 4S, Mi TV Q1, Redmi Smart TV and other models with thin bezels, where every millimeter of usable area counts. However, not all users know how to properly activate this mode without losing image quality or distorting the proportions.

In this article, we’ll look at not only the standard way to enable frameless mode through the TV menu, but also alternative methods for older firmware, and look at unique settings for gamers where minimal display delay is important. You’ll learn which Xiaomi models support the feature at the hardware level, and where it is emulated software – and how this affects quality.

What is a frameless regime and why it is needed

Frameless Mode (Overscan or Zoom Mode) is a feature that artificially zooms in on the image beyond the visible area of the screen, hiding black fields. On Xiaomi TVs, it is implemented differently depending on the model and version of the MIUI TV firmware:

• 📺 Hardware support in models with Amlogic processors S905 (Like Mi. TV 4A) The mode works by scaling the signal at the chip level.
• 🖥️ Software emulation - in budget Redmi TV The increase occurs due to the trimming of the edges of the picture, which can lead to the loss of details.
• 🎮 Gamer mode - in Mi TV Q2 The newer frameless mode automatically disables post-processing to reduce input lag.

The main reasons for using this function are:

1. Eliminating black bars when watching movies with an aspect ratio of 21:9 on the 16:9 screen.
2. Game on consoles (PS5, Xbox Series X), where it is important to see the maximum area of the playing field.
3. View old videos (VHS, DVDs) where artifacts often remain on the edges.

⚠️ Note: On Xiaomi models older than 2019, enabling frameless mode may cause subtitles or interface elements to be cropped in games.

What Xiaomi models support frameless mode

Not all Xiaomi TVs have this feature on the menu. Below is a compatibility table by model and year of release. Note that some TVs have hidden mode and require activation through the service menu.

If your model is not on the list, check the firmware version: since MIUI TV 3.0 (2021), the feature has become available for most devices. You can update the software through Settings → About TV → System Update.

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On Xiaomi 2023 TVs (for example, Mi TV Q3) frameless mode automatically adapts to the content: for the movie it retains the original proportions, and for games it stretches the picture to the brim.

Step-by-step instruction: how to turn on frameless mode

The standard activation method takes no more than a minute.

1. Turn on the TV and go to the main screen of MIUI TV.
2. Press the Settings button on the remote.
3. Select Display & Sound → Picture → Screen Size
4. In the list of modes, select Full Screen (or Zoom for older models).
5. Confirm the changes with the OK button.

If Screen Size is not on the menu, try an alternative route:

Settings → Device → Screen → Screen Mode → Without frames

Make sure the TV is connected to the signal source (HDMI/USB)

Turn off the Size Autoregulation function in HDMI settings

Check that the signal sources (prefix, console) disabled your zoom

Take a photo of the current brightness/contrast settings for rollback-->

On some models (e.g. Redmi TV A55), a warning may appear after the mode is turned on, that is normal – just confirm the action.

⚠️ Attention: On TVs with permission 4K when activating the frameless mode through HDMI may trigger protection HDCP. In this case, reconnect the signal source or reset the settings. HDMI Settings menu → Connections → Reset HDMI.

Problem Solving: The mode is not switched on or is not working properly

If after activating frameless mode, the image is cropped, distorted or the function is not in the menu at all, use these tips:

• 🔄 Reset screen settings: Go to Settings → System system → Resetting settings → Reset the image settings.
• 📥 Update of the firmware: Outdated versions MIUI TV (below 2.5) may not support mode. Update the software via Settings → On TV. → Update.
• 🎛️ Manual zoom setting: In the service menu (called by the Menu button) + Volume Down on the remote) find the Overscan parameter and set the value of 0% to disable the trimming.
• 🖥️ Problems with HDMI: If the mode does not work when connecting through HDMI, Try another port or cable with support. HDMI 2.1.

The Mi TV 4A and Mi TV 4C models may require manual editing of the configuration file. Connect the TV to your PC using ADB and follow the command:

adb shell settings put global overscan_custom 0,0,0,0

Features of frameless mode for gamers

If you use a Xiaomi TV for games on PlayStation, Xbox or PC, the standard frameless mode can add input lag to minimize the lag:

1. Activate game mode in settings: Settings → Screen → Image mode → Game.
2. Disable all post-processing: Settings → Screen → Additional → Image Improvement → Off..
3. Enable frameless mode through Settings → Screen → Screen size → Full screen (game).
4. For Xbox Series X/S, additionally configure the output signal in the console menu: Settings → General → TV and display settings → Resolution → 4K UHD.

On the Mi TV Q2 2023 and later, there is a hidden option Game Overscan, which optimizes zoom specifically for games.

1. Press the Menu + Home button for 5 seconds.
2. Select Game Settings → Overscan Mode → Custom.
3. Set a 95% value for minimum edge trimming.

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For competitive games (like Fortnite or Call of Duty), it’s better to use 1:1 Pixel Mapping instead of frameless.It retains the original resolution without distortion, but can show black fields.

Comparison of frameless mode on Xiaomi and other brands

The image zoom function is implemented differently from different manufacturers, and in the table below is a comparison of Xiaomi with its main competitors:

Xiaomi’s main advantage is the flexibility of settings: you can adjust the scale for each individual. HDMI-For example, for the port. PS5 set up a frameless mode, and for Apple TV — standard.

The disadvantage - on budget models (Redmi TV) when activating the mode, the screen refresh rate can drop from 60 Hz to 50 Hz. Check this in the Settings menu → Screen → Update frequency.

How to Calibrate Frameless Mode for Perfect Display

Even after the mode is turned on, the image may not look perfect: cropped subtitles, distorted faces or insufficient detail at the edges.

1. Use test templates: Download a file with a test image to the flash drive for calibration and open it through the File Manager on TV.
2. Set up a security zone: In the Settings menu → Screen → Additional → Safe Area, set a 90% value to prevent important items from cropping.
3. Adjust sharpness: After stretching the image, clarity may fall. Increase Sharpness by 10-15 units in the picture settings.
4. Check the color profile: Full Screen mode can be a blackout. Select a Movie or Game profile depending on the content.

For models with Dolby Vision support (e.g. Mi TV Q2), HDR recalibration may be required after frameless mode is activated.

Settings → Screen → Additional → Calibration HDR → Quick setup

⚠️ Note: On Xiaomi TVs with Matrixes VA (Like Mi. TV P1) If you zoom in, you can see the Dirty Screen Effect artifacts, and to reduce them, you can lower the brightness to 80 percent and activate Local Dimming in the backlight settings.

FAQ: Frequent questions about frameless mode on Xiaomi TV