Download REDMI S2 | REDMI Y2 CN V12.0.4.0.PEFCNXM
Download REDMI S2 | REDMI Y2 CN V12.0.4.0.PEFCNXM: page for this exact HyperOS build on ysl (Android 9.0 · 2.0 GB · 05.08.2020). The recovery package here is version V12.0.4.0.PEFCNXM only — do not confuse it with other CN releases in history.
Firmware V12.0.4.0.PEFCNXM for REDMI S2 | REDMI Y2 (CN). Official HyperOS build.
REDMI S2 | REDMI Y2 CN V12.0.4.0.PEFCNXM Android 9.0 is the official HyperOS recovery package for ysl (miui_HMS2_V12.0.4.0.PEFCNXM_b220c0a02e_9.0.zip), branch Stable. It is meant for local updates — confirm region CN matches your device firmware before flashing.
This is the current CN build for REDMI S2 | REDMI Y2 on Otree.pro: download link, install steps, and sibling releases are listed below.
Download REDMI S2 | REDMI Y2 CN V12.0.4.0.PEFCNXM from the link below. Back up your data and follow the HyperOS recovery install guide.
Firmware details
Download firmware REDMI S2 | REDMI Y2 CN V12.0.4.0.PEFCNXM
Installation
REDMI S2 | REDMI Y2 · CN · V12.0.4.0.PEFCNXM — 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
REDMI S2 | REDMI Y2 CN HyperOS — other CN releases alongside V12.0.4.0.PEFCNXM.
