MIUI 12Chinaysl

Redmi S2 Firmware (China)

Q: What is the latest firmware for the Redmi S2 (China)?

The newest build is V12.0.4.0.PEFCNXM (MIUI 12, Android 9.0, Stable) released on August 5, 2020.

Q: What is the codename of the Redmi S2?

The Redmi S2 (China) uses the codename ysl.

Q: How do I update my Redmi S2 manually?

Download the Recovery ROM below, then open Settings → About phone → HyperOS version , tap ⋮ → Choose update package and pick the file. The update keeps your data. Fastboot ROMs are for clean installs via Mi Flash Tool.

Latest: V12.0.4.0.PEFCNXM · Android 9.0 · Aug 5, 2020

Latest builds

Latest Stable: V12.0.4.0.PEFCNXM
Aug 5, 2020
Latest Weekly: 9.2.28
Mar 1, 2019
Android: 9.0
Builds tracked: 2

All Redmi S2 (China) firmware

Device	Version	Android	Branch	Released
Redmi S2China · `ysl`	V12.0.4.0.PEFCNXM MIUI 12Stable	9.0	Stable	Aug 5, 2020
Redmi S2China · `ysl`	9.2.28 MIUI BetaWeekly	8.1	Weekly	Mar 1, 2019

Other regions of this device

Redmi S2 update FAQ

What is the latest firmware for the Redmi S2 (China)?

The newest build is V12.0.4.0.PEFCNXM (MIUI 12, Android 9.0, Stable) released on August 5, 2020.

Has the Redmi S2 (China) received HyperOS 3?

Not yet — no official HyperOS 3 build has been released for this model and region so far. This page updates automatically the moment it appears, or follow our Telegram channel for an instant alert.

What is the codename of the Redmi S2?

The Redmi S2 (China) uses the codename ysl.

How do I update my Redmi S2 manually?

Download the Recovery ROM below, then open Settings → About phone → HyperOS version, tap ⋮ → Choose update package and pick the file. The update keeps your data. Fastboot ROMs are for clean installs via Mi Flash Tool.