The new update comes as MIUI 9.1.1.0.NAMMIEI for Redmi 4 and the OTA update weighs around 257 MB. The performance optimized MIUI 9 comes with UI changes and various new features. You can enjoy features like Split screen, new animations, screen recorder, latest Google security patches (October 2017), improved silent mode and more.
The MIUI V9.1.1.0 Global Stable update for Redmi 4 is based on Android 7.1.2 Nougat and includes October 2017 (1- 10 – 2017) security patches. Redmi 4 users will get the MIUI 9 (MIUI V9.1.1.0 NAMMIEI) update via OTA (over-the-air), which weighs around 257 MB. Highlights of MIUI 9 Global Stable Update for Redmi 4: Note: MIUI 9 Global Stable Update for Redmi 4 will release on November 20. However, interested users can download and install the recovery ROM right now. Bellow is download link (stable Nightly build) and installation guide.
Download: MIUI 9 Global Stable ROM for Xiaomi Redmi 4: Recovery ROM [here], Fastboot ROM [coming soon]. Please note that, if you are using older version of ROM (for example, MIUI 7 or MIUI 8 stable ROM), you should install the Fastboot ROM. Other users (runs on MIUI 8/9 Developer ROM) can install the updates via Updater app.
How to Install MIUI 9 Global Stable ROM
After downloading the firmware, you may follow this guide to know how to install recovery/fastboot ROM on your Xiaomi device. (Source – MIUI)
