How to set up full-screen call mode on Xiaomi: all ways

Why are Xiaomi calls not on the full screen?

If your Xiaomi smartphone (or Redmi/POCO) shows incoming calls in a small window instead of full screen mode, the problem lies in the system settings or MIUI firmware. The manufacturer may default to limit the display to save battery power or because of the features of the interface. However, full screen mode is not only more convenient - it reduces the risk of missing an important call, especially when the phone is lying up.

In this article, we will discuss all working ways to return the classic display of calls to the full screen, including hidden settings. MIUI, changes to the Phone app and workarounds for older models. MIUI 12–15 (including global and Chinese versions).

⚠️ Important: Some methods require developer rights or root access. If you're not sure what you're doing, skip these steps - making incorrect changes can cause your phone to crash.

Method 1: Configure via the application "Phone"

The easiest method is to change the settings directly in the standard call app, which works on most Xiaomi devices without any further manipulation:

  1. Open the Phone app (the tube icon on the home screen).
  2. Click on the three dots in the upper right corner → select Settings.
  3. Go to Incoming Calls (or Display Calls in some versions of MIUI).
  4. Find the option Full screen mode or Notification style and activate it.

If you don't have one, then your firmware doesn't support it, move on to the next way. On some models (e.g. Xiaomi 12T or POCO F5), this option may be called Classic Mode.

Update the Phone app in Google Play

Restart your phone (sometimes the time settings are confused)

Make sure that the "No Limits" mode for the application is enabled in the battery settings

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Method 2: Change the MIUI system settings

If the Phone app doesn't have the right option, try to enable full-screen mode through hidden system settings. This method works on MIUI 13-14:

  1. Open the Settings. → The phone.
  2. Click 7 times in a row on the MIUI version bar to activate the developer mode.
  3. Return to the main settings menu and select Additional → For developers.
  4. Find the Special Features section and enable the Full Screen Display option (or Force Fullscreen Calls in English).

⚠️ Note: on some firmware, this option may not be available or may be called otherwise (e.g., Window animation scale). If you do not find it, do not change other settings in the developer menu without understanding their purpose!

Xiaomi 13/14 series

Redmi Note 11/12

POCO X5/F5

Xiaomi 12T/12S

Another model-->

Method 3: Use ADB-Teams (for advanced teams)

If previous methods have not worked, you can apply them. ADB-commands to force full-screen mode to be enabled. This requires connecting the phone to your computer and installing Android Debug Bridge.

Instructions:

  1. Download and install Google’s Platform Tools.
  2. Turn on the phone debugging over USB in the developer settings.
  3. Connect the device to your PC and type in the command line: adb shell settings put global force_fullscreen_calls 1
  4. Reboot the phone.

To return the standard display, run the same command with the 0 instead of 1.

What if the ADB does not recognize the device?
Make sure you have drivers installed for your Xiaomi model. Download the official Mi PC Suite from the manufacturer's website or use Google's universal drivers. Also check that the phone's settings have selected file transfer mode (MTP) when connecting over USB.

Method 4: Install an alternative application for calls

If the regular MIUI tools do not allow you to turn on full-screen mode, you can use third-party apps from Google Play.

  • 📞 True Phone Dialer – Supports call screen customization, including full screen mode.
  • 🔄 ExDialer – a lightweight application with flexible display settings.
  • 🎨 Simple Dialer – Minimalist Dialer with Forced Fullscreen.

After installation:

  1. Open the application settings.
  2. Find the Incoming Calls or Display section.
  3. Enable Fullscreen incoming calls.
  4. Make the new app the default dialer in Android settings.

⚠️ Warning: Third-party dialers may conflict with system services MIUI, Check the reviews before installing the test for compatibility with your model.

Problem Solving: Why is Full Screen Not Working?

If none of these methods helped, the reasons may be as follows:

Problem.Possible solution
Restricted firmware (Chinese version of MIUI)Install global firmware via Fastboot or Recovery.
shell conflict (e.g. HyperOS on new models)Reverse to the stable version of MIUI 14 via the Mi Flash Tool.
Battery Optimization Blocks Full-screen ModeAdd the Phone app to the exceptions: Settings → Battery → Optimization.
Active mode "In the pocket" or "Do not disturb"Turn off these functions in Settings → Notifications.

Critical information: on HyperOS devices (e.g. Xiaomi 14 or Redmi) K70) Full-screen call mode can be turned off at the kernel level, in which case the only way out is to wait for updates from the manufacturer or use the device. ADB-root-command.

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If after the changes the phone started to brake, reset the settings of the Phone application through Settings → Applications → Application Management → Phone → Storage → Reset.

Additional tips for setting up calls on Xiaomi

In addition to full screen mode, you can improve the experience of using the phone:

  • 🔔 Set up vibration when calling: Settings → Sound and vibration → Vibration on call.
  • 📱 Enable the display of the subscriber name on the locked screen: Settings → Screen locking → Additionally.
  • 🔕 Activate recording of conversations (not available in all regions): Phone → Settings → Call recordings.
  • 🌙 Use a dark theme for the call screen: Settings → Screen. → Dark subject.

In the models with AMOLED-screens (e.g. Xiaomi 13 Ultra or POCO F4 GT) Full-screen call mode also saves battery power by using a black background.

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Before any changes to your system settings, back up your system through Settings → Additional → Backup. This will help you recover your data when you crash.

FAQ: Frequent questions about full-screen calls on Xiaomi

Can I turn on full screen mode on Xiaomi without root rights?
Yes, in most cases, the standard settings of the phone application are enough or ADB-Root is only required for deep changes to system files, such as custom firmware.
Why did the MIUI update lose its full screen mode?
The manufacturer sometimes resets the user settings with major updates. Try re-enacting one of the methods described. If it doesn't work, check if new restrictions have been added to the latest version of MIUI (see the Mi Community forums for more information).
Will the full screen mode work on the foldable Xiaomi smartphone (Mix Fold 2/3)?
On foldable devices, the logic of displaying calls depends on the state of the screen: If the phone is decomposed, the call will appear on the main screen in full screen mode. If the phone is folded, an external display with an adaptive scale (not always full screen) will be used, and this behavior can only be changed through an engineering menu or custom firmware.
How to return the standard display of calls if full screen mode is inconvenient?
Disable the option in the settings of the application "Phone" (see Method) 1) or do ADB-Adb shell settings put global force_fullscreen_calls 0 If you used a third-party dialer - reset its settings or delete it.
Does full screen mode affect battery consumption?
The screen still turns on when you call in, and the power difference between a small window and a full screen is ~1-3% for a call. AMOLED-The screens are even smaller due to the black background.