MIUI 9 is the fastest version of Xiaomi’s custom Android OS to date. Lately, it has received an update that makes it to version 184.108.40.206. There are plenty of enhancement and bugs fixed along with feature improvements within this build. The good news is, Redmi 4X is one of Xiaomi devices that is eligible to receive this version.
These are the direct hotlinks to download either Fastboot and Recovery ROMs of MIUI 9.2 for Redmi 4X (codename Santoni). The file is original, untouched, and unmodified. It is the official build. Grab it from direct links that support resume-able and multiple connections.
Here in this page you can download MIUI 9.2 v220.127.116.11 Global Stable Fastboot ROM for Redmi 4X official stock ROM which is available in both Fastboot and Recovery ROM. This MIUI ROM that has been downloaded for 1025 times from our exclusive direct link that supports multiple and resumable download connections. This updated ROM file has version number 18.104.22.168.nammiek. The total size of this file is 2 GB which is just like most other Android ROM file. It comes with cool key features and awesome improvements planted under the hood. In a short explanation, Android ROM (Android Read Only Memory) is basically known as a system image file containing the executable instructions of an Android OS and essential apps like Google Apps (Play Store, Drive, GMail, etc - Except MIUI China build). The terms "stock ROM" is an official ROM by phone manufacturer (which in this case is Xiaomi) and it usually comes installed on the phone or tablet. On the other hand, a "custom ROM" built by a third party and is usually a modified ROM from the official stock one.
As usual, Xiaomi always rolls out two build of its ROM: the Fastboot ROM and Recovery ROM. Fastboot ROM is released with .tgz extension while Recovery ROM is released with .zip extension. Both builds can be used to do clean install on your MIUI device but Fastboot ROM is the one if you need to totally reinstall your phone’s Android OS. It is also useful when your phone is bricked or in bootloop state.
Android File Box is a simple site helping many Android users to provide useful and essential downloadable stuff freelt. Enjoy downloading essential Android stuff without any complexity. Most of the files in this site are hosted in our servers (either in US or Europe) and are served as direct hot link. Hence, you can enjoy super speed downloading experience without any registration or sharing tasks. The link below supports major download manager or accelerator apps like IDM, DAP, Flashget, etc.
How to install? Read: How to flash MIUI 9 Fastboot ROM.
How to install? Read: How to flash MIUI 9 via Recovery method.
Please be aware that the files above are for Redmi 4X (codename Santoni). Please do not attempt to install it on either Redmi 4A or Redmi 4 Prime.