MIUI BetaWeeklyGlobal

Redmi S2/Y2 MIUI Beta 9.2.21

Q: Which Android version does 9.2.21 use?

This firmware is based on Android 8.1 .

Weekly firmware for the Global Redmi S2/Y2 (ysl_global), released February 22, 2019.

Download 9.2.21

Fastboot ROM (.tgz) · 1.9 GB Full image for Mi Flash Tool — clean install, unbrick or downgrade.

MD5: d5efbc212da48be4ce2b442ed692a661

Download

This is a Weekly build. It may contain bugs and is meant for testers — wait for the Stable release if you depend on your phone daily.

Files are served from Xiaomi’s official servers. Compare the MD5 checksum after downloading to make sure the file is complete and untouched.

Firmware details

Device: Redmi S2/Y2
Codename: ysl_global
Region: Global
Version: 9.2.21
OS: MIUI Beta
Android: 8.1
Branch: Weekly
Released: Feb 22, 2019
Package: Fastboot 1.9 GB

How to install 9.2.21

Fastboot ROM (clean install, needs unlocked bootloader)

Make sure the bootloader is unlocked and install Mi Flash Tool plus the Xiaomi USB drivers on a Windows PC.
Download and extract the Fastboot ROM (.tgz) to a short path such as C:\rom.
Power off the phone, hold Volume Down + Power to enter Fastboot mode and connect it via USB.
In Mi Flash Tool select the extracted folder, choose clean all (wipes data) and avoid “clean all and lock” unless you want to relock.
Click Flash and wait until the tool shows success; the phone reboots automatically.

Other Redmi S2/Y2 (Global) builds

Device page →

Device	Version	Android	Branch	Released
Redmi S2/Y2Global · `ysl_global`	V12.0.2.0.PEFMIXM MIUI 12Stable	9.0	Stable	Sep 29, 2020
Redmi S2/Y2Global · `ysl_global`	9.2.28 MIUI BetaWeekly	8.1	Weekly	Mar 1, 2019

Redmi S2/Y2 firmware for other regions

Frequently asked questions

Is 9.2.21 an official Redmi S2/Y2 update?

Yes. 9.2.21 is an official Weekly MIUI Beta build for the Redmi S2/Y2 (Global), released by Xiaomi on February 22, 2019. The download links point directly to Xiaomi’s update servers.

Which Android version does 9.2.21 use?

This firmware is based on Android 8.1.

Will installing 9.2.21 erase my data?

Fastboot ROMs flashed with the “clean all” option wipe the device. Back up your data before flashing.

Can I install this on another region’s device?

Only install firmware that matches your device’s region (Global) and codename (ysl_global). Cross-region flashing requires an unlocked bootloader and can cause problems.