Download REDMI S2 | REDMI Y2 CN HyperOS firmware — ysl · V12.0.4.0.PEFCNXM
Download REDMI S2 | REDMI Y2 CN HyperOS firmware: codename ysl, latest build V12.0.4.0.PEFCNXM (Android 9.0 · 2.0 GB · 05.08.2020). This page lists the official recovery package for CN, download links, and release history.
Latest official HyperOS firmware for REDMI S2 | REDMI Y2, CN region: direct download link and install instructions.
Download firmware REDMI S2 | REDMI Y2 CN V12.0.4.0.PEFCNXM
Installation
- 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
| Version | Date | Android | Size |
|---|---|---|---|
| V12.0.4.0.PEFCNXM | 05.08.2020 | 9.0 | 2.0 GB |
| V11.0.3.0.PEFCNXM | 11.03.2020 | 9.0 | 1.7G |
| V11.0.2.0.PEFCNXM | 03.01.2020 | 9.0 | 1.6G |
| V11.0.1.0.PEFCNXM | 25.10.2019 | 9.0 | 1.6G |
| V10.3.4.0.PEFCNXM | 07.08.2019 | 9.0 | 1.5G |
| V10.3.3.0.PEFCNXM | 11.07.2019 | 9.0 | 1.5G |
| V10.3.2.0.PEFCNXM | 30.05.2019 | 9.0 | 1.6 GB |
| V10.3.4.0.OEFCNXM | 15.04.2019 | 8.1 | 1.4G |
| V9.6.1.0.OEFCNFD | 8.1 | 1.4G | |
| V9.5.7.0.OEFCNFA | 8.1 | 1.2 GB | |
| V9.5.6.0.OEFCNFA | 8.1 | 1.2 GB | |
| V9.5.2.0.OEFCNFA | 8.1 | 1.1 GB | |
| V10.2.1.0.OEFCNXM | 8.1 | 1.4G | |
| V10.0.2.0.OEFCNFH | 8.1 | 1.5G |
