Xiaomi Dev Tem has released an updated version of MIUI 8 for Redmi 4X (Santoni). This one has version number 184.108.40.206.NAMMIED and is available as both Recovery ROM and Fastboot ROM. This update has fixed “Screen was too dark when auto brightness was on” bug. Additionally, the reported minor bug that Music player suddenly paused has also been fixed. The MIUI 8.5 ROM for Redmi 4X is based on Android 7.1 Nougat.
Here in this page you can download MIUI 8.5 Global Stable Fastboot ROM v220.127.116.11.NAMMIED for Redmi 4X official stock ROM which is available in both Fastboot and Recovery ROM. This MIUI ROM that has been downloaded for 1191 times from our exclusive direct link that supports multiple and resumable download connections. This updated ROM file has version number 18.104.22.168.nammied. 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.
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