How to change the background of the call on Xiaomi Redmi 9: all ways with pictures

Are you tired of the standard black screen when calling in your Xiaomi Redmi 9? Want to add brightness and personality by installing your own photo or animation? In this article, we will discuss all possible ways to change the background of a call - from the official settings MIUI to hidden functions that are not mentioned in the instructions.

Many users don't even realize that the background of a call on Redmi 9 can be changed without root rights or third-party applications. MIUI 12, 13 and 14 -- and we're ready to share working solutions. Importantly, some options depend on the shell version, so we'll show you where to look for the right menu items.

If you have already tried to find this setting through Settings → Sounds but didn't find anything to do with it -- don't be surprised. Xiaomi specifically hides the option of changing the background of a call in the back of the system menus to reduce the load on the processor when there are frequent incoming calls. But it's legal to get around this restriction - read on.

Why can't Redmi 9 have a regular call background?

On most Android smartphones, the option to change the background of the call is in the theme settings or personalization. But the Xiaomi Redmi 9 (like other budget models in the series) runs on a lightweight version. MIUI, where many of the "beautiful" features are disabled by default:

• 📱 Performance optimization: Background animation when calling requires additional Helio processor resources G80, Which can lead to lag on weak devices.
• 🔋 Battery savings: dynamic wallpaper or gifs on the call screen increase energy consumption 5-7% challenge.
• 🎨 Uniform corporate identity: Xiaomi strives for minimalism in the interface of budget models, so as not to overload users with unnecessary settings.
• 🛡️ Security: Custom background images may contain malicious code (e.g., in image metadata).

But that doesn't mean that the capability is completely blocked, but it needs to be woken up through hidden settings or third-party tools, and we'll show you how to do that without risking the system.

⚠️ Note: If you use a corporate phone with security policies (e.g., Microsoft Intune or Knox), changing the call background may be prohibited by the administrator, in which case no methods will work until the restrictions are lifted.

Method 1: Change the background through the theme settings (official method)

The safest way is to use embedded themes. MIUI. It works on all versions of the firmware, but it has a limitation: you can only choose from preinstalled wallpaper, not upload your image. Here's how to do it:

1. Open the Themes app (the icon with a brush on your desktop).
2. Go to the Wallpaper section → Lock screen.
3. Select your favorite theme marked Supports the call screen (usually dynamic or static blur wallpaper).
4. Click Apply and confirm the changes.

After that, the background of the incoming call will change to the selected option. 10-15 They are not always suitable for your style.

Theme is compatible with MIUI 12+|There's a note on the "Call Screen"|No watermarks on the wallpaper.|The colors don't blind your eyes.-->

If the desired theme is not in the standard set, try to download additional packages:

• 🌐 Get into Themes. → Online and type in a search call background or call background.
• 🔍 Sort the results by ranking and select a topic with a score above 4.5 stars.
• 📥 Download and use it – the background of the call will be updated automatically.

⚠️ Attention: Some topics from MIUI Theme Stores contain ads or collect data. Before installing, check other users' reviews and developer ratings.

Method 2: Use of third-party launchers (without root)

If you don't like the standard wallpaper, you can go for a trick - install an alternative launcher that supports customization of the call screen.

Let’s look at the Nova Launcher:

1. Install Nova Launcher and Nova Call Screen plugin.
2. Start the plugin and select Custom Background.
3. Upload your image (recommended size: 1080×2340 pixels 9).
4. Set up the transparency and position of the interface elements (response/deflection buttons).
5. Save the changes and make Nova Launcher the default launcher.

The advantage of this method is that you get full control over the appearance of the call screen, including fonts and animations. 100-150 MB in the background).

MIUI standard|Nova Launcher|Action Launcher|Lawnchair|Other|I don't know what it is.-->

Method 3: Manually modifying system files (for advanced)

If you're willing to dig a little bit through system files, you can replace the standard call background manually, which doesn't require root rights, but requires debugging. USB and work with ADB.

Warning: Incorrect actions can cause the call interface to crash. /system/media/audio/ui through ADB Adb pull team /system/media/audio/ui backup_ui.

Instructions:

1. Connect Redmi 9 to your PC and enable Debugging USB In Settings → The phone. → Version. MIUI (Click 7 times on the line with the version to activate the developer mode).
2. Download and install ADB Tools on your computer.
3. Open the command line in the folder with ADB and perform: adb shell su mount -o rw,remount /system cp /sdcard/your_background.png /system/media/audio/ui/call_background.png chmod 644 /system/media/audio/ui/call_background.png mount -o ro,remount /system Here. your_background.png — Your image, pre-copied into your phone memory.
4. Reset the device.

Image requirements:

• 📏 Size: 1080×2340 px (for exact matching with Redmi screen resolution) 9).
• 🎨 Format: PNG Transparent (if you need semi-transparent elements).
• 🖼️ Weight: no more than 500 KB, otherwise lags are possible when calling.

⚠️ Attention: After update MIUI To avoid this, create a task in Automate or Tasker, which will automatically restore the file after the update.

Method 4: Applications for customizing the call screen

If the previous methods seemed too complicated, you can use specialized applications that run on top of the standard call interface and allow you to set any background images.

• 📞 Call Screen Themes – over 1000 templates, GIF support, but there are ads.
• 🎨 Calls Blacklist & Call Screen – allows you to customize the background for different contacts.
• 🔄 Truecaller – in addition to the number determinant, has built-in themes for the call screen.
• 🖼️ Call Background Changer – a simple tool to replace the background without unnecessary functions.

Let’s look at the Call Screen Themes example:

1. Download the app from the Play Market.
2. Open it and grant permissions to Calls and Warehouse.
3. Select My Backgrounds and upload your image.
4. Set the position of the response/deflection buttons in the Layout section.
5. Activate the app as the default call handler.

The advantages of this method:

• ✅ No need to root or manipulate the system.
• ✅ You can set different background images for different contacts.
• ✅ Animations and GIFs are supported.

Cons:

• ❌ The application runs on top of the standard interface, which can cause delays in response (up to 0.5 seconds).
• ❌ Some functions (such as recording conversations) may conflict with MIUI.

💡

If after installing the application for customization calls began to come with a delay, disable the option “Smooth animation” in its settings and reduce the quality of the background image to 70%.

Problem Solving: The background doesn’t change or artifacts appear

If after all the manipulations the background of the call remained standard or is displayed incorrectly, check the following points:

If you've used ADB for manual background replacement, but after rebooting the changes reset, so the section /system It's mounted in read-only mode:

1. Open up. ADB Shell and perform: su mount | grep system If the output has ro, (read only), rewire the section: mount -o rw,remount /system
2. Repeat copying the background file.
3. Record the changes with the team: chmod 644 /system/media/audio/ui/call_background.png

💡

After the update MIUI The background of the call is reset, repeat the procedure of replacing the system file. To avoid this in the future, create a task in Tasker, which will automatically restore your background after each update.

Bonus: How to make an animated background call on Redmi 9

If you don't have enough static images, you can set a dynamic background, a GIF or a video.

1. Download Deez Call or Call Screen Video.
2. Prepare a GIF or video (permission) 1080×2340, length 5 sec. 3 MB).
3. Upload the file to the application and set up the playback loop.
4. Activate the application as a call handler by default.

Important nuances:

• 🎬 Video backgrounds strongly planted battery - for 1 minute of conversation the expenditure increases 1-2%.
• 🔊 The sound from the video will be played along with the ringtone (turn it off in the GIF settings).
• 📱 On Redmi 9 with 3GB of RAM, animation can slow down when multitasking.

To create the perfect GIF, use:

• 🎥 CapCut – for clipping and optimizing video.
• 🖌️ Ezgif – to convert video to a GIF with settings FPS.
• 🎨 Canva – to add text elements (e.g., contact name).

FAQ: Frequent questions about changing the background of the call on Redmi 9