The update is a Chinese Stable ROM. If your device is running on a China ROM, only then you will get the update via OTA. Otherwise, you have to install it manually. The update is based on Android 9 Pie.
About Mi 9 MIUI 11.0.9.0 China Stable ROM (March 2020 security patch)
The new MIUI 11.0.9.0 China Stable ROM for Mi 9 comes with March 2020 security patch update. The update is being rolled out as an OTA in China. The version is updated to V11.0.9.0.QFACNXM from version V11.0.5.0.QFACNXM. The OTA weighs around 559 MB The update will be available across China but as it is being rolled out in a phased manner, it may take some time to be available for everyone, but if you want you can manually download and Install Mi 9 MIUI 11.0.9.0 China Stable ROM. The full firmware file is around 1.9 GB in size so we do recommend users to use WiFi while downloading the firmware file. If your device is not rooted, then your device may have received the update. You can manually check whether the update is available in your region or not. Go to Settings –> About Phone –> Check for Software Update.
Changelog
System
Updated Android Security Patch to March 2020. Increased system security.
Data usage
Fix: Data usage warning appeared multiple times Fix: Errors occurred after switching SIM cards
App lock
New: App lock is supported for all apps now New: Revamped the start page and optimized some features
Camera
New: Vlog feature for videos
MIUI 11.0.9.0 China Stable ROM {V11.0.9.0.QFACNXM} Details
Device: Mi 9 Codename: Cepheus Channel: China Stable Version: V11.0.9.0.QFACNXM Android: 10
Disclaimer
RootMyGalaxy.net is not responsible for any hardware/software issues that occur on your device(s) by following this guide. We are certain that the following guide is carefully written, avoiding any mistakes on our side. If you are unsure of the causalities that may occur if the procedure goes wrong, then please don’t proceed.
Pre-Requisites
Have a backup of all your data just to be on the safe side if any incident happens. Must Have the bootloader unlocked. USB Debugging must be enabled. Make sure that the device has more than 50% battery percentage.
Download Xiaomi Mi 9 MIUI 11.0.9.0 China Stable ROM
MIUI 11.0.9.0 China Stable ROM for Mi 9 (MIUI 11.0.9.0.PFLCNXM) > Recovery ROM (Full) || OTA ROM (V11.0.5.0.QFACNXM to V11.0.9.0.QFACNXM)
How To Install Xiaomi Mi 9 MIUI 11.0.9.0 China Stable ROM
Download the firmware file and save that in your device Now follow the guide given below to install the ROM manually (follow the recovery ROM (zip) guide)
[su_button url=”https://rootmygalaxy.net/how-to-install-stock-firmware-ota-update-zip-files-on-xiaomi-devices/” target=”blank” style=”flat” background=”#f9396c” color=”#ffffff” size=”5″ wide=”yes” center=”yes” radius=”5″ icon=”icon: location-arrow” icon_color=”#ffffff” text_shadow=”0px 0px 0px #010c16″]How To Install Stock Firmware OTA Update Zip / Fastboot Files On Xiaomi Devices[/su_button]