Download Xiaomi Redmi Y3 Firmware (onc): Fix Battery Drain & App Crashes
This guide provides the official firmware collection for the Xiaomi Redmi Y3 (onc). If you’re experiencing battery drain, app crashes, or a bricked device, our verified download links and detailed flashing instructions will help you restore your phone’s performance. The Redmi Y3, with its Snapdragon 632 chipset and 32MP selfie camera, is a budget-friendly gem, but software issues can affect its reliability. Follow this guide to address these problems and get your device running smoothly.
⚠️ Essential Pre-Flash Checklist
Flashing can lead to errors if not done correctly. Complete this checklist to ensure a seamless process. All data will be erased, so a backup is mandatory.
- ✅ Full Data Backup: Save photos, contacts, and files to Mi Cloud, Google Drive, or a PC to prevent data loss.
- ✅ Charged Battery: Ensure your Redmi Y3 has at least 60% battery to avoid interruptions 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 (expect a 7-15 day waiting period).
- ✅ Required Software: Install the latest Mi Flash Tool and Xiaomi USB Drivers.
Understanding the Firmware: Types and Regions
Choosing the correct firmware is critical to avoid bricking your Redmi Y3. Here’s an overview of the available options:
- Fastboot ROM (.tgz): A full factory image for use with Mi Flash Tool, ideal for unbricking or reverting to stock software.
- Recovery ROM (.zip): Used with custom recoveries like TWRP for installing custom ROMs.
- Region Codes:
- INXM: India-specific version with Google services and regional optimizations.
Official Firmware Downloads for Redmi Y3 (onc)
This firmware file is sourced directly from Xiaomi’s official servers for reliability and security. Use the latest version for your region to ensure optimal performance.
| Region | MIUI Version | Android | Release Date | Download Link |
|---|---|---|---|---|
| India (INXM) | V11.0.12.0.PFFINXM | 9.0 | 2020-11-16 | Fastboot ROM |
Recommended Custom ROMs
For users dealing with bloatware or seeking a more modern OS, custom ROMs can enhance the Redmi Y3’s performance. The Snapdragon 632 supports a variety of custom ROMs for a smoother experience.
- LineageOS 18.1: Based on Android 11 – Offers a clean, bloat-free experience with improved battery efficiency (check availability for onc).
How to Flash: Step-by-Step Instructions
Select 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)
- Unzip the Firmware: Extract the .tgz file using 7-Zip to reveal a folder with an “images” subfolder and flash scripts.
- Open Mi Flash Tool: Launch the Mi Flash Tool with administrator privileges on your Windows PC.
- Enter Fastboot Mode: Power off your Redmi Y3, then press and hold Volume Down + Power until the Fastboot logo appears.
- Connect to PC: Plug your phone into your PC using the USB cable.
- Load Firmware: In Mi Flash Tool, click “select” and choose the extracted firmware folder. Click “refresh” to detect your device.
- Choose Flash Option: Select “clean all” for a full reset (recommended for stability). Avoid “clean all and lock” unless you’re certain of the ROM’s region compatibility.
- Start Flashing: Click “flash” and wait 5-10 minutes. Do not disconnect the phone.
Troubleshooting Tip: If Mi Flash Tool doesn’t detect your Redmi Y3, reinstall the Xiaomi USB Drivers or try a USB 2.0 port to resolve connectivity issues.
Method 2: The Recovery Method (Custom ROMs)
- Install TWRP: Ensure TWRP is installed on your Redmi Y3. Download it from TWRP’s official site.
- Transfer ROM: Copy the .zip ROM file to your phone’s internal storage or an SD card.
- Boot into Recovery: Power off your phone, then press Volume Up + Power until the TWRP logo appears.
- Wipe Data: In TWRP, go to “Wipe” > “Advanced Wipe” and select Dalvik/ART Cache, Cache, and Data. Swipe to confirm.
- Install ROM: Return to the main menu, tap “Install,” select the .zip file, and swipe to flash.
- Reboot: Reboot to system after the 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 seems stuck on the Redmi logo. Once booted, follow the setup wizard and restore your data from your backup.
Device-Specific Q&A for the Redmi Y3
- Q1: Why does my Redmi Y3 suffer from battery drain? A: Battery drain can occur due to outdated firmware or background apps taxing the Snapdragon 632. Flashing the latest India ROM (V11.0.12.0) or a custom ROM like LineageOS can optimize battery life.
- Q2: How can I fix app crashes on my Redmi Y3? A: App crashes are often caused by software conflicts or corrupted system files. Flashing a clean stock ROM or a debloated custom ROM can resolve these issues.
- Q3: Will the Redmi Y3 receive Android 10 or newer? A: The Redmi Y3 is officially limited to Android 9.0 (Pie) with MIUI 11. To upgrade to Android 10 or 11, you’ll need a custom ROM like LineageOS 18.1 (if supported for onc).
