1.After download, copy the "miuipro_v4.4.2_Mlais_M9_5.7.2.zip" to Phone Storage or SD Card
2.Turn off the device
3.Turn on the device with Volume Down + Power buttons together > Select [Recovery Mode]
4.Select "install zip from sdcard" -> "Choose zip from sdcard" (or "Chose zip from external sdcard")
5.Choose the file "miuipro_v4.4.2_Mlais_M9_5.7.2.zip" -> Click Yes to start the upgrade
6.After upgrade click in Reboot system now
Usually after upgrade the MUIU is loaded longer than usual, so do not panic and wait patiently

1.After download, copy the "miuipro_v4.4.2_Mlais_M9_5.7.2.zip" to Phone Storage or SD Card


2.Turn off the device


3.Turn on the device with Volume Down + Power buttons together > Select [Recovery Mode]
4.Click "Wipe data / Factory reset" > Click YES
5.Click "Wipe cache partition" > Click YES
6.Click in "Advanced" > Click "Wipe dalvick cache" > Click YES (This will erase all your data from your phone)


7.Click "Mounts and storage" > Click in "format /system"


5.Click "install zip from sdcard" -> "Choose zip from sdcard" (or "Chose zip from external sdcard")


6.Select the downloaded file:"miuipro_v4.4.2_Mlais_M9_5.7.2.zip" and choose it, wait until the installation is complete


7. After installation is complete, click "Reboot system now" and wait for the turn on the phone, usually after flashing the phone is loaded longer than usual, so do not panic and wait patiently

Install CM Launcher to get a better experienced Home Screen
Install the theme suit: iwatch from Theme app