MIUI 9 Global Beta ROM 8.1.18

MIUI 9 Global Beta ROM 8.1.18 is Here – Optimized For Free Storage

Welcome back to the MIUI 9 weekly updates. This week’s update ‘MIUI 9 Global Beta ROM 8.1.18’ has some incredible fixes and, a few optimizations and new features. The Xiaomi smartphones users with limited phone memory can enjoy this update as the local storage has been optimized to free up some space. Moreover, the full-screen smartphones can use this update as an optimization to their smartphone’s full-screen smart gestures.

MIUI 9 Global Beta ROM 7.12.21

You can get the last week’s update ‘MIUI 9 Global Beta ROM 8.1.11‘ as well.

Important Reminder: You can now update your Xiaomi Mi 6 to Android 8.0 Oreo by following this method:

How to Update Xiaomi Mi 6 To Android 8.0 Oreo?

  1. First, Mi 6 users should move to MIUI 9 Global Beta ROM 7.12.1 if they are on MIUI 9 Global Stable version. You can successfully switch from Stable to Global via the Fastboot method.
  2. Go to the OTA updates after installing MIUI 9 Global Beta on your phone.
  3. Update to Android O.

MIUI 9 Global Beta ROM 8.1.18 – How to Download?

The users who are using MIUI 8 Global Beta ROM can grab your update three methods:

OTA (Over the Air) Method

The simplest, risk-free, and the easiest way to jump to MIUI 9 is Via OTA. But let us tell you that if you want to go from Stable to Beta Version of MIUI 9, OTA update is not possible. You have to use the Fastboot method or Recovery method. Here’s the OTA method mentioned in three simple steps:

  1. Open Mi Updater App
  2. Click software update
  3. Confirm and Download the update

MIUI 9 update via Mi Updater app


  1. Go to Settings
  2. Click My device
  3. Go to MIUI version
  4. Click System Update


  1. Click the update now in the notification bar.
  2. Wait for the downloading to complete
  3. Click reboot

MIUI 9 update via OTA

Meanwhile, the user who are using MIUI V5 / MIUI 6 / MIUI 7 / MIUI 8 stable ROM can upgrade their phones to MIUI 9 via the fastboot method.

Fast Boot Method

This one is a little bit complicated and risky. If you haven’t received the update for your supported phone, you can’t try this. Moreover, it’s the only way to shift from Stable to Beta or Beta to Stable ROM or Developer to Stable / Beta.

Before Fast-Booting
  • Unlocked Bootloader
  • Download & install Mi Flash Tool – here
  • Download the Fastboot ROM (will be in .tgz or .tar file)
If you face phone not getting detected,
  • Install Mi PC Suite – here
  • Download Drivers – here

How To Make a Local Backup?

  • Go to settings – additional settings – backup & reset
  • Click ‘Local backup – Backup’, to create the backup and move it to PC before flashing
  • Do remember, it includes only apps so multimedia files need to be backup separately

Steps Before Fast-booting

  • Switch off your phone, press and hold volume down and power button simultaneously, it should power up the phone with fastboot screen
  • Connect your phone via USB to PC, click ‘refresh’ button in flash tool app and it should show device ID.
  • If not, install Mi PC Suite and drivers posted above.
  • Extract the fastboot ROM you downloaded, to a folder on PC

MIUI 9 update via Mi Tools

During Fast-booting

  • Open MiFlash tool, and select ‘clean all’ in the right down cornerMIUI 9 update via Mi tool step to step guide
  • Click ‘Select’ and browse to a folder where you extracted the Fastboot ROM and click ‘Flash’

MIUI 9 update via Mi tool step to step guide 1

  • It will start flashing the phone and will take around 3-5 Minutes depending on the PC and device.
  • The device will reboot with MIUI 9.
MIUI 9 update via Mi tool step to step guide Mi fastboot method
MIUI 9 update via Mi tool step to step guide Mi fastboot method 1

Warning!!! Don’t remove the USB cable when the phone is fast-booting.

Safety Measure: We recommend to backup your data before fastboot. Shifting from Developer mode to Stable requires a complete wipe.

Recovery Method

If you want a fresh installation, you can also select the recovery mode option and download the Recovery ROM.

  1. Download the model’s MIUI 9 Global Beta ROM mentioned below.
  2. Copy the.Zip file to an SD card.
  3. Open recovery mode.
  4. Select the file from the SD card and Install.

A friend of mine uploaded the video when MIIU 9 was released back in the first batch. Here’s a video, instructing how to install and download MIUI 9 Global Beta ROM on any Xiaomi Device:

Note: Make sure you have a backup of the previous ROM.

MIUI 9 Global Beta ROM 8.1.18 – The Supported Devices

You can get the MIUI 9 Global Beta ROM 8.1.18 update on these devices:

  • Mi MIX 2
  • Redmi Note 4 MTK
  • Redmi Note 4 Qualcomm/Redmi Note 4X
  • Mi 6
  • Mi Note 2
  • Mi 5
  • Mi 5s
  • Mi 5s Plus
  • Mi Max
  • Mi Max Prime
  • Mi Max 2
  • Mi 3
  • Mi 4
  • Redmi 3
  • Redmi 3S
  • Redmi Note 3 Qualcomm
  • Redmi Note 3 Special Edition
  • Redmi Note 2
  • Redmi 4/4X
  • Redmi Note 5A/Y1 Lite,
  • Redmi Note 5A Prime/Y1.

The update has been suspended for:

  • Redmi 4A

MIUI 9 Global Beta ROM 8.1.18 – Changelog

What’s Improved?

  • Optimize local storage to free up space
  • Animation for the Back gesture on full-screen devices
  • Full-screen gestures as an alternative for screen buttons
  • A separate guide for full-screen gestures

What’s Fixed?

  • Full-screen gestures didn’t work properly after rebooting
  • The battery level is incorrect on status bar
  • Battery is draining very fast when the device is in idle mode
  • The camera interface is not displayed correctly when the language is Arabic
  • There are two Security in Accessibility settings
  • Line ANR when using Bluetooth headphone for Line calls

MIUI 9 Global Beta ROM 8.1.18 – Download Links

You can download the ROM for your Xiaomi smartphone from the links given below:

Mi 5

Fastboot (1547MB)

Recovery (1296MB)

Mi Max 32GB

Fastboot (1715MB)

Recovery (1466MB)

Mi 3 / Mi 4

Fastboot (1133MB)

Recovery (772MB)

Redmi 3

Fastboot (1175MB)

Recovery (932MB)

Redmi 3S

Fastboot (1479MB)

Recovery (1230MB)

Redmi Note 3 (Qualcomm)

Fastboot (1460MB)

Recovery (1207MB)

Redmi Note 3 Special Edition

Fastboot (1659MB)

Recovery (1406MB)

Redmi Note 2

Fastboot (1308MB)

Recovery (944MB)

Mi Max 64G/128G

Fastboot (1715MB)

Recovery (1466MB)

Redmi Note 4 (MTK)

Fastboot (1642MB)

Recovery (1340MB)

Redmi Note 4 (Qualcomm) / Redmi Note 4X

Fastboot (1963MB)

Recovery (1433MB)

Mi Note 2

Fastboot (1588MB)

Recovery (1337MB)

Mi 5s

Fastboot (1510MB)

Recovery (1299MB)

Mi 5s Plus

Fastboot (1569MB)

Recovery (1319MB)

Redmi 4X

Fastboot (1781MB)

Recovery (1266MB)

Xiaomi Mi Max 2

Fastboot (2051MB)

Recovery (1520MB)

Mi 6

Fastboot (2022MB)

Recovery (1515MB)

Redmi Note 5A/Redmi Y1 Lite

Fastboot (1757MB)

Recovery (1216MB)

Redmi Note 5A Prime/Redmi Y1

Fastboot (1821MB)

Recovery (1222MB)

We hope you will successfully install MIUI 9 Global Beta ROM 8.1.18 update. If you experience any problem while installing, let us know in the comment section below.

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