Full screen mode on Xiaomi devices is a feature that automatically stretches the image to the edges of the screen, removing black fields. In most cases, it works correctly, but sometimes leads to cropping important interface elements, distortion of proportions or problems with displaying subtitles. Especially often users face this problem on Mi TVs (series A, P, Q, S), Mi Box S/4K media consoles and even on smartphones when connected to an external display.
In this article, weโll explore all the possible ways to turn off full-screen mode, from standard MIUI TV settings to hidden engineering menus and hardware solutions, how to return the original proportions of the image without loss of quality, why the mode can turn on spontaneously and what to do if the settings are gray or unavailable.
โ ๏ธ Important: On Xiaomi devices with Android firmware TV 11+ (Some of the methods released after 2022 may require activation of the developer mode. If your TV or console is older, some menu items may be missing or otherwise called.
Before you start settings, make sure that the problem is not related to the source of the signal. For example, some streaming services (such as Netflix or YouTube) force full-screen mode for content with an aspect ratio of 21:9, in which case the adjustment is not necessary in the TV, but in the application.
1. disable full screen mode via standard MIUI TV settings
The easiest way is to use built-in zoom options, which are available on all Xiaomi TVs regardless of model and year of release, and the instructions are suitable for PatchWall firmware (India) and MIUI TV (global version).
To change the display mode:
- Turn on the TV and go to a problem source (such as HDMI or built-in app).
- On the Xiaomi remote, click the Menu button (or Settings on new models).
- Select the Image section (Picture) โ Screen Mode (Screen Mode or Aspect Ratio).
- In the list of available options, select: ๐บ Original - retains the original proportions without pruning. ๐ฅ๏ธ 4:3 - For old movies and games. ๐ฌ Panorama (Moderate Stretching. โซ Auto โ the TV chooses the mode (often the cause of the problem).
โ ๏ธ Note: On some models (e.g. Mi) TV Q1E or P1E) The Screen Mode option can be hidden in the Advanced Picture Settings sub-menus. If it is not available, check the System section).
If the image becomes too small or black fields appear on the sides after the change of mode, try to enable Size Adjustment in the same menu, which allows you to manually stretch the image horizontally or vertically without distortion.
2. Resetting image settings to factory
If the full screen mode is turned on spontaneously or the settings are not saved, the problem may be a configuration failure, in which case the reset of image parameters will help.
How to reset your settings:
- Open the settings โ Image.
- Scroll down and select Reset Picture Settings.
- Confirm the action. The TV will reboot, and all the brightness, contrast and zoom parameters will return to factory.
After reset, check if the problem persists. If so, proceed to the following methods.
Disconnect important devices from HDMI|Remember the current sound settings|Check for software updates|Prepare a remote for confirmation-->
โ ๏ธ Note: On Xiaomi TVs with OLED-screens (e.g., Mi) TV Q2 or Transvision OLED) Resetting images can temporarily impair color reproduction, and that's due to pixel calibration. If the colors get dull, let the TV run for 2-3 hours, the parameters will automatically recover.
3. Disable full-screen mode through the engineering menu
If the standard settings don't work, you can use the service menu, which is suitable for power users, because incorrect changes can lead to failures.
Instructions for Xiaomi TVs on Android TV:
- Turn on the TV and go to any signal source.
- On the Xiaomi remote, consistently press: Menu โ Up. โ Up. โ Down. โ Down. โ Left. โ Right. โ Left. โ Right. โ Up (Combination may vary depending on model. For Mi Box, use Settings) โ On TV. โ Press 7 times on "Version of the Software".)
- The engineering menu will open. Go to Picture โ Aspect Ratio.
- Select Normal or Original and save the changes with the OK button.
- Get off the menu and restart the TV.
- ๐บ Netflix: Run a movie/series. During playback, click up on the remote to open the control panel. Select the gear icon (โ๏ธ) โ Display โ Original.
- ๐ฎ Game consoles (PS4/PS5, Xbox: On the console, open the display settings. Turn off the option HDMI Scaling or Display Area. Set permission 1920ร1080 (Even if the TV is still on 4K).
๐ก Tip: If the problem only occurs in one application, try clearing its cache:
- Go to Settings โ Applications.
- Select a problem app (like YouTube).
- Click Clear the cache and Clear the data.
- Restart the app and check the display.
๐ก
If the app is unstable after cleaning the cache, delete it and install it again via Google Play or Mi App Store.
5. Hardware methods: patch cord and HDMI settings
If software methods have not worked, the problem may be incorrect HDMI signal transmission, which often occurs when connected to a PC, laptop or game console.
Method 1: Use of a patch cord with signal correction
- ๐ Buy it. HDMI-proofreader (e.g. Oehlbach Scaler or Portta) HDMI Scaler).
- Connect it between the signal source (PC/console) and the TV.
- In the proofreader menu, select Pass-Through (unchanged) or Underscan (removes edge trimming).
Method 2: Scaling at the source side
- ๐ฅ๏ธ For Windows: Right-click on the desktop โ Screen settings. Select Xiaomi TV from the display list. Scroll down and click Advanced Scaling Options. Turn off the option to Scale content at high resolutions.
- ๐ฎ For macOS: System settings โ Monitors โ Additionally. โ Scaling: By screen size