The MIUI 9 Global ROM has been roll out to the market the Chinese smartphone making company Xiaomi has started rolling out the MIUI 9 Global ROM. The company has selected almost all the devices.
You can check out the List of devices getting an update of MIUI 9. Now the Xiaomi has recently announced the Xiaomi Mi Max 64/128GB is in the squad. However, the MIUI 9 update will be restricted to only a few of the devices and you can see a steady rollout. Guys don’t worry we have officially got the new list. So, many devices will be soon got updated and we are slowly revealing it. Also, we will update the list soon. However, the MIUI 9 update will be restricted to only a few of the devices and you can see a steady rollout.
So, most of the Xiaomi Mi Max 64/128GB users can’t wait for the update of MIUI 9. However, you guys can wait for the official OTA(over-the-air) update. So, those who don’t want to wait can manually download and install MIUI 9 Global Stable ROM. Also, company has announced that rest of the Xiaomi devices, will get MIUI 9 ROM at the end of this November, 2017.
The Xiaomi Mi Max 64/128GB users are getting started receiving the MIUI 9 via an update over this weekend. So, what you have to do is wait patiently for a notification. Also, you guys can regularly check out in your updater app, to see whether your update has arrived or still you have to wait.
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How to Download and Install MIUI 9 Xiaomi Mi Max 64GB/128GB?
So, before getting started all the users of Xiaomi must check out that your battery percentage level must be above 60 percent and second you should take full backup of your APPS and data to be in a safe side.
Download Recovery or Fastboot package depending on the ROM version. If you are running the Developer ROM, then you have to download the Recovery package with .zip extension or alternatively those who are running the stable ROM shoul download the Fastboot package with .tgz extension.
Also, users of Xiaomi Mi Max 64/128GB can also download and install the corresponding ROM from Xiaomi official website.
Xiaomi Mi Max 64GB/128GB Fastboot ROM
Steps for Installation

Step 3. So, after doing this you have to open MiFlash Tool, and then select Clean available in the right down corner.

Step 6. Finally, your device will reboot and congratulation you have successfully install MIUI 9.