Step-by-Step Tutorial to Install Custom ROM on Xiaomi Redmi 9

 

Custom ROMs unlock the full potential of your Xiaomi Redmi 9 by offering enhanced features, better performance, and the latest Android versions beyond official updates. This step-by-step tutorial will guide you through installing a custom ROM safely, even if you’re a beginner.

Important Precautions Before Installing Custom ROM

• Backup Data: Installing a custom ROM will wipe your data. Back up photos, contacts, and files first.

• Unlock Bootloader: Xiaomi devices come with a locked bootloader by default. Unlocking it is required.

• Charge Your Phone: Ensure at least 70% battery to prevent shutdowns mid-process.

• Use Trusted Sources: Download ROMs from official developer forums (e.g., XDA Developers).

Step 1: Unlock Bootloader of Xiaomi Redmi 9

1. Go to Xiaomi’s official unlock page and apply for permission.

2. Download the Mi Unlock Tool on your PC.

3. Boot your phone into fastboot mode (Power + Volume Down).

4. Connect your phone via USB and run the Mi Unlock Tool to unlock the bootloader.

Note: Unlocking the bootloader will erase your device.

Step 2: Install Custom Recovery (TWRP)

1. Download the compatible TWRP recovery image for Redmi 9.

2. Boot your phone into fastboot mode again.

3. Use the command fastboot flash recovery twrp.img from your PC terminal.

4. Reboot into recovery by holding Volume Up + Power.

Step 3: Download the Custom ROM and GApps

• Download the custom ROM ZIP file compatible with Redmi 9.

• Download Google Apps (GApps) package if not included.

• Transfer both files to your phone’s internal storage or SD card.

Step 4: Flash Custom ROM via TWRP

1. Boot into TWRP recovery mode.

2. Perform a Wipe: Select Advanced Wipe, then wipe cache, dalvik, system, and data.

3. Go to Install and select the custom ROM ZIP file.

4. Swipe to confirm flashing.

5. After installation, flash GApps ZIP similarly.

6. Reboot your device.

Step 5: First Boot and Setup

• The first boot might take longer (5-10 minutes).

• Set up your device as usual.

• Verify the ROM version and features.

Troubleshooting Tips

• If stuck in boot loop, re-enter recovery and perform a full wipe.

• Use forums or developer threads for ROM-specific issues.

• Always flash compatible ROMs and avoid beta builds for daily use.

Installing a custom ROM opens new possibilities but requires caution. Always keep backups and follow developer instructions. With practice, you can personalize your Redmi 9 experience to your liking.