- Aug 3, 2025
- 326
- 0
The Xiaomi Civi 4 Pro (codename "chenfeng"), marketed in India as the Xiaomi 14 Civi, is a performance flagship featuring the Qualcomm Snapdragon 8s Gen 3 chipset. The device is running on HyperOS 2.0 based on Android 15. Flashing these official Fastboot ROMs is the standard way to unbrick or manually update.
CRITICAL WARNING: DEVICE & ANTI-ROLLBACK (ARB) 
DANGER: Anti-Rollback Protection is Active. Check the Android version!
Below are the technical specifications for the "chenfeng" firmware.
Select the file that corresponds to your target region. Pay attention to the Android version.
Note: Official India (IN) Fastboot ROM. For Xiaomi 14 Civi. Android 15.
These firmware files are flashed using the Mi Flash Tool. This will erase all your data.
Disclaimer: This process is performed at your own risk. We are not responsible for any data loss, bricked devices, or damage. Please ensure your device codename is chenfeng (Xiaomi Civi 4 Pro / 14 Civi). If you have any problems, please drop a comment on the thread.
DANGER: Anti-Rollback Protection is Active. Check the Android version!
- Codename Match: This firmware is ONLY for the Xiaomi Civi 4 Pro / Xiaomi 14 Civi with codename "chenfeng".
- Wrong Device Risk: Do NOT flash this on the older Civi 3 ("yuechu") or Xiaomi 14 ("houji"). Flashing the wrong file will hard-brick the device.
- Downgrade Risk: The latest builds are Android 15 ('V' prefix). Do NOT downgrade to the older Android 14 ('U' prefix) and lock the bootloader. This will trigger ARB and brick the motherboard.
- Cross-Flashing: If converting a Chinese device to an Indian ROM, you MUST NOT lock the bootloader.
Xiaomi Civi 4 Pro / 14 Civi (chenfeng) Firmware Details
Below are the technical specifications for the "chenfeng" firmware.| Device Name: | Xiaomi Civi 4 Pro (CN) / Xiaomi 14 Civi (IN) |
| Codename: | chenfeng |
| Chipset: | Qualcomm Snapdragon 8s Gen 3 |
| Android Version: | 14 (HyperOS 1.0) / 15 (HyperOS 2.0) |
| Build ID Prefix: | VNJ / UNJ (e.g., VNJCNXM) |
| File Type: | Fastboot ROM (.tgz) / Recovery ROM (.zip) |
| Flashing Tool: | Mi Flash Tool |
Download Official Firmware for Xiaomi Civi 4 Pro / 14 Civi (chenfeng)
Select the file that corresponds to your target region. Pay attention to the Android version.Android 15 Builds (HyperOS 2.0)
Note: Official China (CN) Fastboot ROM. Android 15.- Filename: chenfeng_images_OS2.0.207.0.VNJCNXM_20251013.0000.00_15.0_cn_09aa2a696a.tgz
- Size: 8.37GB
- Build Date: 2025-10-13
- Build Version: OS2.0.207.0.VNJCNXM
- Android Version: 15.0
- Download Link: Download from Xiaomi Server
Note: Official India (IN) Fastboot ROM. For Xiaomi 14 Civi. Android 15.
- Filename: chenfeng_in_global_images_OS2.0.208.0.VNJINXM_20251107.0000.00_15.0_in_aee8db2f56.tgz
- Size: 6.59GB
- Build Date: 2025-11-07
- Build Version: OS2.0.208.0.VNJINXM
- Android Version: 15.0
- Download Link: Download from Xiaomi Server
Android 14 Builds (HyperOS 1.0) - Downgrade Risk!
Note: Official India (IN) Recovery ROM (OTA). Android 14.- Filename: miui_CHENFENGINGlobal_OS1.0.10.0.UNJINXM_5bc8e7a8e8_14.0.zip
- Size: 5.36GB
- Build Date: 2025-01-10
- Build Version: OS1.0.10.0.UNJINXM
- Android Version: 14.0
- Download Link:
WARNING: Downgrade Risk! Download from Xiaomi Server
The Requirements
- PC/Tools: A Windows PC.
- Bootloader: An unlocked bootloader on your device.
- Cable: A reliable USB-C cable.
- Backup: A full backup of your data (Flashing will wipe internal storage).
- Software: Xiaomi MI Flash Tool installed on your PC.
- Drivers: Qualcomm USB drivers installed.
How to Flash the Firmware
These firmware files are flashed using the Mi Flash Tool. This will erase all your data.Method 1: Flashing Fastboot ROM (.tgz)
- Step 1: Download your chosen
firmware file and extract it to a simple folder on your PC (e.g.,Code:
.tgz). Do not use a folder path with spaces.Code:C:\chenfeng_rom - Step 2: Download, extract, and run MiFlash.exe as an administrator.
- Step 3: Power off your phone completely. Boot into Fastboot Mode by pressing and holding the Power + Volume Down buttons until the fastboot logo appears.
- Step 4: Connect your phone to the PC via USB. Click the "Refresh" button in Mi Flash Tool to detect the device.
- Step 5: Click "Select" and navigate to the extracted firmware folder (the folder containing the
folder).Code:
images - Step 6 (CRITICAL): At the bottom of the tool, select "Clean all".
- WARNING: Do NOT select "Clean all and lock" if you are converting a China device to an India ROM or downgrading Android versions (A15 -> A14). This will BRICK your phone.
- Step 7: Click "Flash" to begin. The process may take several minutes.