Download Xiaomi 17 Ultra China Firmware (OS3.0.12.0.WPACNXM)

How to Flash Fastboot on Xiaomi 17 Ultra China

Please follow these steps carefully to install the OS3.0.12.0.WPACNXM update safely. Ensure your device has at least 60% battery.

1. Ensure the bootloader of your Xiaomi 17 Ultra China is unlocked.
2. Download the official Mi Flash Tool and extract it on your PC.
3. Boot your device into Fastboot mode by holding the Volume Down + Power buttons simultaneously.
4. Connect the smartphone to your PC using a reliable USB cable.
5. Extract the downloaded OS3.0.12.0.WPACNXM firmware archive (.tgz file).
6. Open Mi Flash Tool, select the extracted firmware folder, and click 'Flash'.