How to make a full screen call on a Xiaomi phone: all the ways for MIUI 12-15

Have you ever missed an important call because you didn't notice a small call window on the Xiaomi screen? Or were annoyed when you played or watched a video, when the incoming call was displayed in a miniature format? The problem is not your vision - this is a feature of the MIUI shell, which by default shows incoming calls in a compact form. But the good news is that you can deploy the call screen to the entire display in 2 minutes, and we will tell you how to do it on any smartphone of the brand - from Redmi Note 10 to the flagship Xiaomi 14 Ultra.

In this article you will find:

• 🔧 5 working ways to enable full-screen call mode (including hidden settings)
• 📱 Step-by-step instructions for MIUI 12, 13, 14 and 15, with the specifics of each version
• ⚠️ Common Errors and How to Avoid Them (for example, why the setting is reset after the update)
• 🛠️ What to do if the full screen mode does not work even after all the manipulations

Importantly, the methods vary depending on the model and the firmware version. If you have a POCO F5 with global firmware, the algorithm will be one, and for Redmi 9A with Chinese MIUI, the other. We covered all the options.

1. Standard method through MIUI settings

The easiest method is to use the built-in shell options, which works on most devices with MIUI 12 and later, but in some regional firmware (for example, for India), this item can be hidden.

Instructions:

1. Open the Settings app (the gear icon on the desktop).
2. Go to the Appendix section → Application management.
3. In the upper right corner, click on three dots and select Show All Apps.
4. In the list, find the Phone (or Contacts on some models) and tap it.
5. Select Notifications → Incoming challenges.
6. Activate the Full Screen Mode (or Deploy the Call Screen in older versions).

If you have a MIUI 14/15, the path may be slightly different.

Settings → Applications → System applications → Phone → Notifications → Additional → Full-screen call

⚠️ Note: Some models (e.g. Redmi) A2 or POCO M5) This option may not be on the menu, and it's because of the optimization of the firmware for budget devices.

2.Use of Developer Mode (for experienced users)

If standard settings fail, you can use hidden options through developer mode, which works on 90% of Xiaomi devices, but you need to be careful – incorrect changes can lead to failures.

How to turn on:

1. Activate Developer Mode: Go to Settings → About Phone and tap on MIUI Version 7 times. A notification will appear “You became a developer”.
2. Return to the main settings menu and open a new section → For developers.
3. Find the USB Debugging option and activate it (this is a must for further action).
4. Connect your phone to your PC and use the command ADB: adb shell settings put global incoming_call_fullscreen 1
5. Reset the device.

To reverse the change, use the same command by replacing 1 with 0.

This method is particularly useful for custom firmware devices (e.g. Xiaomi.eu or Pixel Experience), where standard MIUI settings can be changed.

Configure via the "Phone" application (alternative method)

In some versions of MIUI (such as the firmware for the Redmi K50 or Xiaomi 12T), the full-screen call options are hidden directly in the phone app.

Steps:

• 📞 Open the phone application (pipe icon).
• 🔍 Slip on the three dots in the upper right corner and select Settings.
• 📲 Go to Incoming Calls or Display Calls.
• 🔄 Find the Call Notification Style option and select Full-screen.

If there is no such item, try another way:

Phone → Settings → Additional → Display → Full-screen call

⚠️ Attention: On devices with MIUI For example, the Redmi Note 11 Pro+ 5G) This section may be called Call Settings. → Type of notification. Be careful!

Make sure you have the latest version of the Phone app | Check if third-party launchers are installed (they can block settings) |Reboot your phone before changing settings | Backup your settings in case of a crash-->

4. Use of third-party applications

If the built-in methods don't work, you can use third-party solutions. There are several proven applications that force the call screen to unfold:

How to set up (for example, Full Screen Caller):

1. Install the app from Google Play.
2. Open it and provide all the permissions requested (access to calls, notifications, overlay).
3. In the application settings, activate the Full Screen Call option.
4. Select the display style (you can adjust the background, font, location of the buttons).
5. Reboot the phone.

Important: Some applications (such as Truecaller) may conflict with MIUI system services. If call notifications disappear after installation, disable battery optimization for the application in the settings.

5. Solving problems if full-screen mode doesn't work

Even after all the manipulations, the call screen can remain small, and here are the most common reasons and ways to eliminate them:

• 🔄 Resetting the settings of the Phone application: Go to Settings → Annexes → Phone. → Warehouse → It'll bring all the parameters back to the factory.
• 📱 Cover conflict: If you’re using a third-party launcher (like a Nova Launcher or Hyperion), try temporarily switching to a standard launcher. MIUI Launcher.
• 🔧 Firmware error: On some devices (e.g, POCO X3 Pro after updating to MIUI 14 resets the call settings. In this case, only manual firmware through Fastboot will help.
• 🛡️ Manufacturer restrictions: On models for the Chinese market (with the C suffix in the name, for example Redmi) K60E C) full screen mode may be locked at the firmware level.

If nothing works, try this radical method (requires an unlocked bootloader):

1. Install TWRP Recovery.


2.Scan the Magisk module: FullScreenCallEnabler.zip.




3. Reset the device.

⚠️ Note: Magisk use may result in loss of warranty and unstable operation of the device.

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Before you run through TWRP, make a full persist backup to help restore the IMEI in the event of a crash.

6. Features for different Xiaomi models

Some Xiaomi smartphones have unique nuances when setting up full-screen calls. We collected data on popular models:

Android 13+ devices (such as Xiaomi 12S Ultra) may require additional permission to display on top of other apps.

Settings → Applications → Application Management → Three Points → Special Access → Display on top of other applications

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On devices with AMOLED-With screens (such as Xiaomi 14), full-screen call mode can automatically switch to Always-On Display mode (AOD) It's normal behavior of the system, not a mistake.

Frequently asked questions