This guide is to install china ROM on your device and benefits of installing China ROM on your device.

China ROM contains various useful and unique features that global ROM doesn't have.
So if you want to install china ROM on your device then you must follow the steps to safely install china ROM without data loss.

Requirements:
1.First must backup all your apps and then backed up all the data in internal storage to your pc because all the data in the internal storage will be deleted.
2.Charge your mobile up to 50% so that the process of installation will not get interrupted.
3.Turn on USB debugging mode on your device in the developer options.
4.Install the mi pc suite on your pc.
5.Download the ROM file from the miui official site which is in .tgz format
6.Extract the tgz file with any software
7.Copy the extracted folder to the desktop.
8.Install the mi flash tool
9.Open Mi flash tool.
10.Switch off your phone to edl mode by pressing (power) + (volume -) buttons.
11.Connect your device to PC using cable.
12.Click the refresh button on the mi flash tool.
13.Your device will be recognised.
14.Select the rom folder by clicking on browse folder 
15.Click on the flash button
16.The flashing process will be completed in 15-30 minuted based on your PC speed.