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HyperOS updates for Xiaomi 14 CIVI (codename chenfeng). Official Fastboot ROM and Recovery ROM firmware, build OS3.0.309.0.WNJCNXM.

Fastboot package: chenfeng_images_OS3.0.309.0.WNJCNXM_20260909.0000.00_16.0_cn_b728cd0310.tgz

Security patch: 2026-08-01

Download OS3.0.309.0.WNJCNXM Fastboot ROM

Xiaomi 14 CIVI / Xiaomi Civi 4 Pro Details

CPU Snapdragon 8s Gen 3

Latest Version OS3.0.309.0.WNJCNXM

Android Version 16

OS Version HyperOS 3.1

Display Size 6.55"

EOL Status 2030-05-28

Fastboot ROM and Recovery ROM

Download the OS3.0.309.0.WNJCNXM Fastboot ROM or Recovery ROM for Xiaomi 14 CIVI (chenfeng). Recovery ROM installs from the Updater app. Fastboot ROM flashes with Mi Flash Tool.

Download the Recovery ROM.
Open the Updater app on your Xiaomi 14 CIVI.
Tap the three dots and select Choose update package.
Select the downloaded ROM. The phone reboots into the new version when it finishes.

Fastboot ROM

Download the Fastboot ROM package (chenfeng_images_OS3.0.309.0.WNJCNXM_20260909.0000.00_16.0_cn_b728cd0310.tgz).
Boot the phone into Fastboot and connect it to a computer.
Flash the package with Mi Flash Tool. Fastboot flashing erases data.

Note: Match the codename chenfeng before flashing. Beta builds may not install from the stock updater.