How to change the screen resolution on Xiaomi Redmi 8: all the ways and nuances

Xiaomi Redmi 8 — pop-up 6,22-inch-display 720×1520 (HD+), But many users want to change it to improve text clarity or performance. In this article, we'll look at all the methods available, from standard settings. MIUI Up to Hidden Features for Experienced Users.

It’s important to understand that changing the resolution can affect interface responsiveness, battery life, and application compatibility. For example, forcing up to 1080p on the Redmi 8 won’t add physical pixels, but will increase the strain on the Snapdragon 439 processor.

Technical characteristics of the screen Xiaomi Redmi 8

Before you change the resolution, you need to understand the hardware limitations of the device. Redmi 8 is equipped with IPS-display with the following parameters:

• 📏 Size: 6.22 inches (diagonal)
• 🔢 Permission: 720×1520 pixel (HD+)
• 🔄 Aspect ratio: 19:9
• 🎨 Pixel density: ~270 PPI
• 🔄 Update frequency: 60 Hz (standard)

The display supports hardware zoom, which allows software to change the resolution without losing functionality. However, the physical number of pixels remains unchanged - all changes are virtual. For example, when selecting 1080p, the system will render the image in high resolution and then reduce it to 720p, which can lead to:

• ⚡ Increased load on GPU Adreno 505
• 🔋 Faster battery discharge (5-15%)
• 🐢 Possible lags in resource-intensive games

Method 1: Change resolution through standard MIUI settings

The easiest method is to use the built-in MIUI options, which is suitable for most users and does not require super-user rights.

1. Open the Settings app (the gear icon on the home screen).
2. Go to the Screen section.
3. Select Screen Resolution (in some versions of MIUI, it may be called Screen Size or Display Size).
4. In the list of available options, select the desired value: 📱 720×1520 (HD+) — standard 🖥️ 1080×2280 (FHD+) — enhanced (programmatic) ⚙️ Adaptive – Automatic adjustment

Apply

If screen resolution is not on the menu, then your version of MIUI does not directly support this function, in which case move to alternative methods.

⚠️ Attention: When choosing 1080p On Redmi 8, some interface elements may be displayed too fine. To return the standard scale, go to Settings. → Special facilities → Font size and display and adjust the screen size parameter.

Method 2: Using the Developer Mode

If standard settings don’t offer the right options, you can activate hidden options through developer mode, which works on all versions of MIUI 10 to 14.

Step 1: Activate the Developer Mode:

1. Go to Settings. → The phone.
2. Find the MIUI version string and tap it 7 times in a row.
3. You will be notified that you have become a developer.

Step 2: Change the permission:

1. Return to the main Settings menu and open a new Developer section (usually at the bottom of the list).
2. Scroll down and find Minimum Width (or Smallest Width in English).
3. Enter the value in the range 320-530 (recommended for Redmi 8 – 380 for HD+ or 411 for FHD+ emulation).
4. Restart the device to apply the changes.

Instructions for Display Changer (the most versatile option):

1. Download the app from Google Play.
2. Connect Redmi 8 to your PC and activate USB Debugging in the developer settings.
3. Start Display Changer and select the desired resolution from the list.
4. Confirm the changes and restart the device.

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Before using third-party applications, create a restore point in TWRP (if installed) to help roll back changes when crashes occur.

Method 4: Change resolution through ADB (for power users)

If you want precise resolution management, you can use Android Debug Bridge (ADB), which requires a computer connection but gives you maximum flexibility.

Step 1: Preparation:

• 🖥️ Install. ADB Tools on PC.
• 📱 Turn on Debugging. USB Redmi 8 (Settings) → For developers).
• 🔌 Connect your phone to your computer through USB-cable.

Step 2: Follow the commands:

adb shell


wm size 720x1520 # standard resolution




wm size 1080x2280 # Full HD+ emulation




wm density 320 # pixel density (optional)

To return the standard settings, use:

adb shell wm size reset


adb shell wm density reset

⚠️ Note: Some apps (such as Netflix or Google Pay) may block non-standard permissions due to rooting protection.

Frequent problems and their solutions

When you change the resolution to Redmi 8, you'll see some common errors, and we've collected some of the most common ways to fix them:

If the phone stopped responding to touch after the changes, try:

1. Connect to ADB Resetting: Adb shell settings put system screen_resolution_reset 1.
2. Press the power button for 15 seconds to force reboot.
3. Restore backup via TWRP (if installed).

Optimal settings for different scenarios

The resolution choice depends on your tasks, and we tested different combinations on Redmi 8 and made recommendations:

• 🎮 For games: Permission: 720×1520 (standard) Density: 320 DPI Reason: maximum FPS and minimal heating.
• 📖 For reading and working: Permission: 1080×2280 (Emulation) Density: 360 DPI Reason: Clearer text, but watch the battery.
• 🔋 To save charge: Permission: 480×854 (reduced) Density: 280 DPI Reason: Reduces the load on GPU on 20–30%.

Performance in games at different resolutions (test on Redmi 8 with Snapdragon 439):

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For most Redmi 8 tasks, the standard resolution of 720×1520 remains optimal. Up to 1080p is only appropriate for watching videos or working with text documents.

FAQ: Answers to Frequent Questions