How to increase the photo of the caller to the full screen on Xiaomi: all ways

Are you tired of a tiny photo of a contact during an incoming call on your Xiaomi? Want a subscriber photo to occupy the entire screen like on commercials? This problem is familiar to many owners of Redmi, POCO and other brands. By default, MIUI shows a miniature image at the top of the screen, which is not always convenient - especially when you need to quickly identify the caller.

In this article, we’ll look at all the working ways to increase full-screen photo contact, including hidden MIUI settings, third-party apps, and even manual editing of system files for advanced users. Relevant for MIUI 12–14 firmware versions and 2020–2026 models. Importantly, some methods require unlocking the bootloader or root rights — we’ll separately specify where this is needed.

Why a caller’s photo doesn’t take up the entire screen by default

Xiaomi deliberately limits the size of the photo during a call for several reasons:

• 📱 Resource savings: Large image rendering requires more RAM, which can affect smoothness on budget models (Redmi) 9A, POCO M3).
• 🔄 Unification of the interface: MIUI It strives for uniformity across all devices, including those where it is physically impossible to display a large photo because of a small screen.
• 🛠️ Android Limitations: The standard phone call module (com.android.server.telecom) does not support full-screen images without modifications.

Interestingly, on some flagship models (for example, Xiaomi 13 Ultra or other models). MIX Fold 3 is the default image that is larger, but it's not on the whole screen. AMOLED-high-resolution display.

Method 1: Configure with standard MIUI settings (without root)

The easiest method is to use hidden interface options, which works on most MIUI 12.5+ devices and does not require superuser rights.

1. Open the phone application (pipe icon).
2. Click on the three dots in the upper right corner → Settings.
3. Go to Incoming Calls (or the Incoming Call Screen on new versions).
4. Activate Full Screen Mode or Enlarged Contact Photo.
5. If there is no such option, tap 5 times on the Version line at the bottom of the screen - this will open hidden settings.

On some firmware (MIUI 14 for POCO F5), this option is called Immersive Screen Mode. Once activated, the photo will occupy ~70% of the screen, rather than the 30% default.

Check the version of MIUI in Settings → About the phone

Update the Phone app in Google Play

Make a backup copy of your contacts

Restart your phone before setting up-->

⚠️ Attention: On devices with MIUI Global Stable (European firmware) full-screen photo option may not be available due to regional limitations.

Method 2: Use MIUI themes with modified call screen

The official Xiaomi theme store contains styles that visually increase the area of display of photos. This method does not require root rights and is reversible:

1. Open the Themes app (brush icon).
2. Enter Full Screen Call or Big Photo Caller.
3. Select a theme with a rating above 4.5 and a download rate of > 10,000.
4. Click Apply and confirm the change in the style of the call screen.

Popular topics for this purpose:

• 🌌 Cosmic Call - animated background with a large photo (supports) MIUI 13–14).
• 🖼️ Big Picture Call – photo takes up 80% of the screen, there is a transparency setting.
• 🎨 Minimal Call UI — Minimalist design with increased contact area.

Important: After installing the theme, check the gestures and response/deflection buttons – some styles may overlap them.

Method 3: Third-party applications to replace the call screen

If standard methods don't work, use Google Play's specialized utilities, which completely replace the incoming call interface, including photo size.

• 📞 Truecaller – has a built-in “Enlarged Photo” option in the call screen settings (Settings) → Call screen. → Size of photo).
• 🖥️ Full Screen Caller ID — application specifically for full-screen display (requires overlay permission).
• 🔄 Call Screen Themes – allows you to create a custom template with any photo size.

Instructions for Full Screen Caller ID:

1. Install the app from Google Play


2. Permit the following:




- Reading contacts




- Drawing on top of other applications




- Call management.




3. In the settings, select "Full screen mode"




4. Set up transparency and position of elements

⚠️ Warning: Call screen replacement applications may conflict with system services MIUI. Before using, disable battery optimization for them in Settings → Annexes → Permits → Auto-start.

💡

If after installing a third-party application, system calls stopped working, clear the cache of the Phone application in Settings → Applications → Application Management → Phone → Memory → Clear the cache.

Method 4: Manual editing of system files (for advanced ones)

This method requires an unlocked bootloader and root rights (e.g., through Magisk), allows you to change the settings of the display of photos at the system file level, the risk of bricks of the device, recommended only to advanced users.

1. Install Root Explorer or MT Manager from Google Play.
2. Go to /system/priv-app/TeleService/TeleService.apk/res/layout/
3. Find the file. incall_screen.xml Open it in the text editor.
4. Change the parameters: <ImageView android:id="@id/caller_image" android:layout_width="match_parent" android:layout_height="match_parent" android:scaleType="centerCrop"/>
5. Save the file, set the rights to 644 (r-w-r--r---).
6. Reset the device.

An alternative way to use new versions of MIUI 14:

/system/product/overlay/TelecomFrameworkOverlay.apk

Method 5: ADB-commands to scale up photos (without root)

If you don't have root rights, but you have a computer, you can use ADB (Android Debug Bridge) to modify display settings, which works on MIUI 13-14 and doesn't require unlocking the bootloader.

Instructions:

1. Turn on USB Debugging in Settings → About Phone → MIUI version (tap 7 times on version, then go back to Additional settings → For developers).
2. Connect your phone to your PC and execute the command: adb shell settings put global caller_photo_scale 1.8
3. To apply the changes, restart the device: adb reboot

Permissible parameter values caller_photo_scale:

• 🔢 1.0 – Standard size (30% screen).
• 🔢 1.5 – Medium (50% of the screen).
• 🔢 1.8 – Large (70% of screen).
• 🔢 2.0 – maximum (85% of the screen, can cut buttons).

💡

ADB-commands are the safest of the "advanced" methods, because they don't require changing system files. MIUI parameter will be reset to the default value.

Frequent problems and their solutions

It can be difficult to set up a full-screen photo, and let’s look at typical scenarios and ways to fix them:

If none of the methods worked, check:

• 📱 Version MIUI: on MIUI 11 and below full screen mode may not be supported.
• 🔒 Regional firmware: on Chinese versions (China) ROM) More opportunities for customization.
• 🛠️ Phone app updates: sometimes newer versions add hidden features.

FAQ: Answers to popular questions