Is V9.2.1.0.NAJCNEK 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, V9.2.1.0.NAJCNEK is the version shown. Check FirmwareMirror regularly for newer versions of MI 4S China firmware.

Download MI 4S China ROM - V9.2.1.0.NAJCNEK (Global)

What's New

[Lockscreen, Status Bar, Notification Bar]Optimization - Adjusted time for tapping the Lock screen notifications(10-24)<p>[Home screen]Optimization - Multiple themes supported on the clock widget(10-19)Optimization - Adding widgets to an empty spot with a single tap(10-31)<p>[Themes]Optimization - Hide free and incompatible themes in the list of the purchased items(10-10)Optimization - "Add to favorites" icon adjustments(10-24)<p>[]Fix - Previews weren't shown correctly in landscape mode(11-10)<p>[Mi Accoun...

Android Version

12.0

File Size

1.3 GB

Release Date

Dec 19, 2017

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 1.3 GB

Mirror Downloads (10)

Mirror 1 Mirror 2 Mirror 3 Mirror 4 Mirror 5 Mirror 6 Mirror 7 Mirror 8 Mirror 9 Mirror 10

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

Verification & Details

MD5 Checksum:

36a2a4f39e5f7c7498667a61ce1e63ca

Package Name:

aqua_images_V9.2.1.0.NAJCNEK_20171219.0000.00_7.0_cn_36a2a4f39e.tgz

How to Flash Fastboot on MI 4S China

Please follow these steps carefully to install the V9.2.1.0.NAJCNEK update safely. Ensure your device has at least 60% battery.

Ensure the bootloader of your MI 4S China is unlocked.
Download the official Mi Flash Tool and extract it on your PC.
Boot your device into Fastboot mode by holding the Volume Down + Power buttons simultaneously.
Connect the smartphone to your PC using a reliable USB cable.
Extract the downloaded V9.2.1.0.NAJCNEK firmware archive (.tgz file).
Open Mi Flash Tool, select the extracted firmware folder, and click 'Flash'.

Back to MI 4S China

Download MI 4S China Firmware (V9.2.1.0.NAJCNEK)