Is 9.3.21 stable for daily use?

This is an official firmware release. All official releases from FirmwareMirror are stable and tested. Always backup your data before flashing any firmware.

Is this firmware the latest version?

Yes, 9.3.21 is the version shown. Check FirmwareMirror regularly for newer versions of Redmi 3S China firmware.

Download Redmi 3S China ROM

What's New

ChangelogBug fixes and system optimizations.

Android Version

12.0

File Size

83.96 MB

Release Date

Mar 22, 2019

Flash Method

Recovery

Download ROM

Available

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File Size: 0.08 GB

Mirror Downloads (21)

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21 mirror(s) available • Click any button to download

Verification & Details

MD5 Checksum:

dcc01158218a8b5b2424afba6c1bb2ea

Package Name:

miui_HM3S_9.3.21_dcc0115821_6.0.zip

How to Flash Recovery on Redmi 3S China

Please follow these steps carefully to install the 9.3.21 update safely. Ensure your device has at least 60% battery.

Download the 9.3.21 Recovery ROM (.zip file).
Transfer the file to the internal storage root directory of your Redmi 3S China.
Navigate to Settings > About Phone > System Update.
Tap the OS logo 10 times to enable advanced features.
Tap the top-right menu icon and select 'Choose update package'.
Select the downloaded zip file and wait for the automated installation to complete.

Back to Redmi 3S China

Download Redmi 3S China Firmware (9.3.21)