Download MI 4S CN V9.1.1.0.NAJCNEI
Download MI 4S CN V9.1.1.0.NAJCNEI: page for this exact HyperOS build on aqua (Android 7.0 · 865.11 MB · 30.10.2017). The recovery package here is version V9.1.1.0.NAJCNEI only — do not confuse it with other CN releases in history.
Firmware V9.1.1.0.NAJCNEI for MI 4S (CN) — an official HyperOS build. Direct download link, file verified.
MI 4S CN V9.1.1.0.NAJCNEI Android 7.0 is the official HyperOS recovery package for aqua (miui_MI4s_V9.1.1.0.NAJCNEI_94dffb278e_7.0.zip), branch Recovery. It is meant for local updates — confirm region CN matches your device firmware before flashing.
The CN hub has a newer build V10.1.1.0.NAJCNFI for MI 4S; this page keeps archived release V9.1.1.0.NAJCNEI.
Download MI 4S CN V9.1.1.0.NAJCNEI from the link below. Back up your data and follow the HyperOS recovery install guide.
A newer version is available: V10.1.1.0.NAJCNFI
Firmware details
Download firmware MI 4S CN V9.1.1.0.NAJCNEI
Installation
MI 4S · CN · V9.1.1.0.NAJCNEI — step-by-step HyperOS recovery install.
- Download the recovery package from the link above.
- Open System Update on the device.
- Menu ⋮ → Choose update package and select the downloaded file.
- Wait until install finishes — the device will reboot on its own.
- Do not power off or interrupt the process while flashing.
Source & authenticity
Files are indexed from public HyperOS / Xiaomi builds and community mirrors. Otree.pro is not affiliated with Xiaomi; the original release and device settings remain authoritative.
CN and Global/EEA/RU builds use different packages and services. Install the region that matches your device firmware, or you may hit signature conflicts.
Before flashing, back up important data and make sure the device is sufficiently charged.
History
MI 4S CN HyperOS — other CN releases alongside V9.1.1.0.NAJCNEI.
- V10.1.1.0.NAJCNFI
- V7.5.4.0.LAJCNDE
- V7.5.3.0.LAJCNDE
- V7.5.2.0.LAJCNDE
- V9.6.1.0.NAJCNFD
- V9.5.2.0.NAJCNFA
- V9.5.1.0.NAJCNFA
- V9.2.2.0.NAJCNEK
- V9.2.1.0.NAJCNEK
- V9.1.2.0.NAJCNEI
- V8.5.2.0.NAJCNED
- V8.2.1.0.LAJCNDL
- V8.1.4.0.LAJCNDI
- V8.1.3.0.LAJCNDI
- V8.1.2.0.LAJCNDI
- V8.0.2.0.LAJCNDG
- V8.0.1.0.LAJCNDG
- V7.3.2.0.LAJCNDD
- V7.3.1.0.LAJCNDD
- V7.2.8.0.LAJCNDA
- V7.2.7.0.LAJCNDA
- V7.2.6.0.LAJCNDA
- V7.2.5.0.LAJCNDA
- V7.2.3.0.LAJCNDA
