Xiaomi Redmi S2 (Redmi Y2)

Download Xiaomi Redmi S2 (Redmi Y2) Firmware (ysl): Fix Camera Issues & System Freezes

This guide offers the complete firmware collection for the Xiaomi Redmi S2 (ysl). If you’re dealing with camera malfunctions, system freezes, or a bricked device, our verified download links and detailed flashing instructions will help you restore your phone’s functionality. The Redmi S2, also known as Redmi Y2 in some regions, features a Snapdragon 625 chipset and a capable dual-camera setup, but software issues can disrupt its budget-friendly performance. Follow this guide to get your device back to optimal condition.

⚠️ Essential Pre-Flash Checklist

Flashing can be risky without proper preparation. Complete this checklist to ensure a smooth process. All data will be wiped, so a backup is essential.

  • ✅ Full Data Backup: Save photos, contacts, and files to Mi Cloud, Google Drive, or a PC to avoid permanent data loss.
  • ✅ Charged Battery: Ensure your Redmi S2 has at least 60% battery to prevent shutdowns during flashing.
  • ✅ Windows PC: The Mi Flash Tool requires a Windows operating system.
  • ✅ Original USB Cable: Use a high-quality USB cable for a stable connection to your PC.
  • ✅ Unlocked Bootloader: Flashing requires an unlocked bootloader. Use the official Mi Unlock Tool (note the 7-15 day waiting period).
  • ✅ Required Software: Install the latest Mi Flash Tool and Xiaomi USB Drivers.

Understanding the Firmware: Types and Regions

Selecting the correct firmware is crucial to avoid compatibility issues or bricking your Redmi S2. Here’s a breakdown of the options:

  • Fastboot ROM (.tgz): A full factory image for Mi Flash Tool, perfect for unbricking or restoring to stock software.
  • Recovery ROM (.zip): Used with custom recoveries like TWRP for installing custom ROMs such as Xiaomi.eu.
  • Region Codes:
    • CNXM: China version, optimized for local networks but may lack Google Play services.
    • MIXM: Global version with Google services and multi-language support.
    • RUXM: Russia-specific firmware with localized apps and settings.

Official Firmware Downloads for Redmi S2 (ysl)

These firmware files are sourced from Xiaomi’s official servers or trusted repositories for maximum reliability. Choose the latest version for your region to ensure optimal performance and security.

Region MIUI Version Android Release Date Download Link
China (CNXM) V12.0.4.0.PEFCNXM 9.0 2020-07-29 Fastboot ROM
Global (MIXM) V12.0.2.0.PEFMIXM 9.0 2020-09-24 Fastboot ROM
Russia (RUXM) V12.0.1.0.PEFRUXM 9.0 2020-12-09 Fastboot ROM

Recommended Custom ROMs

For users facing bloatware or seeking a smoother experience, the Xiaomi.eu ROM is a great option, offering a debloated MIUI experience with Google services included.

How to Flash: Step-by-Step Instructions

Choose the flashing method based on your firmware type: Fastboot for official .tgz files or Recovery for custom .zip files.

Method 1: The Fastboot Method (Official Stock ROMs)

  1. Unzip the Firmware: Extract the .tgz file using 7-Zip to obtain a folder with an “images” subfolder and flash scripts.
  2. Launch Mi Flash Tool: Open the Mi Flash Tool with administrator privileges on your Windows PC.
  3. Enter Fastboot Mode: Power off your Redmi S2, then press and hold Volume Down + Power until the Fastboot logo appears.
  4. Connect to PC: Plug your phone into your PC using the USB cable.
  5. Load Firmware: In Mi Flash Tool, click “select” and choose the extracted firmware folder. Click “refresh” to detect your device.
  6. Choose Flash Option: Select “clean all” for a complete reset (recommended for stability). Avoid “clean all and lock” unless you’re certain of the ROM’s region compatibility.
  7. Start Flashing: Click “flash” and wait 5-10 minutes. Do not disconnect the phone during the process.

Troubleshooting Tip: If Mi Flash Tool fails to detect your Redmi S2, try a different USB cable or port. Using a USB 2.0 port often resolves connectivity issues.

Method 2: The Recovery Method (Custom ROMs)

  1. Install TWRP: Ensure TWRP is installed on your Redmi S2. Download it from TWRP’s official site.
  2. Transfer ROM: Copy the .zip ROM file to your phone’s internal storage or an SD card.
  3. Boot into Recovery: Power off your phone, then press Volume Up + Power until the TWRP logo appears.
  4. Wipe Data: In TWRP, go to “Wipe” > “Advanced Wipe” and select Dalvik/ART Cache, Cache, and Data. Swipe to confirm.
  5. Install ROM: Return to the main menu, tap “Install,” select the .zip file, and swipe to flash.
  6. Reboot: Reboot to system after installation completes.

After the Flash: First Boot and Setup

The first boot after flashing may take 10-15 minutes as the system initializes. Don’t interrupt if it lingers on the Redmi logo—it’s normal. Once booted, follow the setup wizard and restore your data from your backup.

Device-Specific Q&A for the Redmi S2

  • Q1: Why does my Redmi S2 camera fail to focus or crash? A: Camera issues are often caused by outdated firmware or corrupted system files. Flashing the latest Global ROM (V12.0.2.0) or the Xiaomi.eu ROM can stabilize the camera performance.
  • Q2: How can I fix system freezes on my Redmi S2? A: Freezes may result from heavy app usage on the Snapdragon 625 or software conflicts. Flashing a clean stock ROM or the debloated Xiaomi.eu ROM can restore smooth operation.
  • Q3: Will the Redmi S2 receive Android 10 or newer? A: The Redmi S2 is officially capped at Android 9.0 (Pie) with MIUI 12. To experience Android 10 or later, you’ll need a custom ROM like LineageOS (if supported for ysl).

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