TUTORIAL, HOW TO FLASH XIAOMI MOBILE'S FIRMWARES

HOW TO FLASH XIAOMI MOBILE'S 

Flashing Guide:-

there are 3 methods to flash these rom 
1. System Update
2. Recovery Update
3. Fastboot Update
first of all you have to download latest XIAOMI MiUi firmware / Rom of your mobile
 FROM HERE
when you have downloaded your mobile's Firmware / Rom use one of the 3 method as it mentioned

NOTE:-

Make sure you have backup your data and wipe all the data,.

OPTION 1. SYSTEM UPDATE:-

( a) - Download the latest MIUI ROM file
( b )-Connect your device to the Windows PC/laptop via a micro USB cable, and copy the ROM file ( which you already downloaded)  into the folder ‘downloaded_rom’ in the internal storage of your device
( c ) - when files are copied in to the storage unplug the device and tap to Setting
( d) - click on CHECK FOR UPDATE , then click on Choose update Package 

( e ) - after select the rom, waite for 5 to 10 minutes , your devices rebooted and that's it 

 OPTION 2:- RECOVERY UPDATE

( a) - Download the latest MIUI ROM file
( b )- Connect your device to the Windows PC/laptop via a micro USB cable, and copy the ROM file ( which you already downloaded)  into the folder ‘downloaded_rom’ in the internal storage of your device
( c ) - When files are copied in to the storage unplug the device and tap to Setting
( d) - click on Reboot To Recovery Mode , then click on Choose update Package

 In Recovery mode, you can utilize Volume +/ - to choose up/down, and Power catch to affirm.

In the wake of entering Recovery mode, pick the dialect you utilize, select 'Introduce update.zip to System One' and affirm, and after that your gadget will start upgrading consequently. 

Hold up until the overhaul is finished, pick 'Reboot to System One', and after that your gadget ought to boot to with latest firmware

 OPTION 3 :- FASTBOOT UPDATE

( a) - Download the latest MiFlashTOOL

( b )-Turn off the device. Press the Volume– key and the Power button at the same time to enter Fastboot mode. Then connect the device to the Windows PC/laptop via a micro USB cable

( c ) - Double click on the downloaded ROM file to decompress it. Open the file folder for the decompressed ROM pack, and copy its path on the computer.

Decompress the MIUI ROM blazing instrument downloaded in Step 1, and double tap on it to introduce (if there is security cautioning, select 'Run'). After establishment is finished, open MiFlash.exe and glue into the address bar the ROM record envelope way replicated in the last stride.

Tap on the principal catch (hovered out in yellow) to Refresh, and MiFlash ought to consequently perceive the gadget. At that point tap the second catch (hovered out in red) to streak the ROM record to the gadget

Hold up until the advance bar inside MiFlash turns completely green, which implies the ROM has been effectively introduced. At that point your gadget ought to consequently boot to the new form.

If the flashing guide could not help you, please download Mi PC Suite here

After Mi PC Suite is installed, make sure that your phone is in fastboot mode, connect your phone to a computer, and select the correct ROM file to flash

hope this will help you a lot , if you found any problem let me know please