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Complete Know-How to flash Redmi Note 4X from zero

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Hei Redmi Note 4X Users,
Redmi Note 4X is the first device launched by Xiaomi in 2017. It makes millions of buyers to fall in love with itself at the first sight. With a great combination of design, specifications, color for an affordable price. And best of all the battery backup is fantastic. To know more check-out Upcoming Accolades of the Beast - Redmi Note 4X! and Adorable hands-on gallery of Redmi Note 4x - Matte Black.

We know very well, it was launched and sold in China, and buying would be from the 3rd party vendor. Hence, as it leave out of Mainland China with a China ROM which was later flashed with a vendor tampered ROM to cater for the Global consumer. Personally, I got hold of one as early, right after the launch, and went for another unit just for the color - Matte Black. In both cases, it came with a vendor tampered ROM. It made flashing rather confusing with many obstacles, eg. device not detected properly, fastboot was not working as it supported to be and unlocking the bootloader to clean flash the Official Global ROM was almost impossible.

Anyway, to cut short, let's begin to make flashing easy as sipping coffee.

A. Unlocking Bootloader

Foremost Unlocked Bootloader is eminent.


1. Launch the FlyVPN app, Choose a VPN server as China and pick the result with shortest ping time in (ms), which is green in color. As shown below:-



NOTE: As we all know, the issue of Unlocking Error is mainly due to the congestion of the server and time-out issues. Hence, using this alternative will ensure quick hand shake connection.

2. Enable Developer options:- Go to About phone > tap MIUI version at least 7 times to activate the Developer options.

3. Enable USB Debugging:- Go to Additional settings > Developer options > USB debugging > Enable it.


4. Go to Additional settings > Developer options > Mi Unlock status > Add account and device. Upon a successful binding of your Account and Device, it will notify, "Added successfully. Mi account is associated with the device now." as shown below:-


5. Launch the Mi Unlock Tool, double-click "MiFlashUnlock.exe", then enter your Email/Phone no./Mi Account ID.

6. Switch off your Redmi Note 4X, then press Power + Volume Down button and hold simultaneously for like 5-6 sec until it vibrate and release when the Mi logo appear and plug in your USB Data Cable conected to your PC / Laptop. As shown below:-






B. Fastboot Flashing Method - Redmi Note 4X (3GB+32GB) - Qualcomm

For this Fastboot Tutorial, I am flashing the China Stable ROM based on Marshmallow to Beta Global Developer ROM based on Nougat. This applies to any ROM variant.

  • It is advisable to do a Local Backup to safeguard your personal data. Check RELATED THREADS for Backup & Restore tips.
  • Enable USB Debugging:- Go to About phone > tap MIUI version at least 7 times to activate the Developer options. Go to Additional settings > Developer options > USB debugging > Enable it.
  • Disable Driver Signature Enforcement in Windows 7/8/10 64-Bit
  • USB Data Cable from your set.
  • Battery is charged at least 50%.
  • Download Mi Flash Tool and install
  • Download Xiaomi USB Driver and unzip
  • Download the Fastboot ROM below:-

1. Switch off your Redmi Note 4X. Then press Power + Volume Down button and hold simultaneously for like 5-6 sec until it vibrate and release when the Mi logo appear and plug in your USB Data Cable conected to your PC / Laptop.

2. Goto your Device Manager on your PC for, "Other Device/Android" your PC is supposed to search the internet for a suitable driver, as shown below:-



Otherwise, you might need to install manually, choose "Browse my computer for driver software", as shown below:-


Then locate and choose, the folder of your Xiaomi USB Driver you have unzipped, as shown below:-





You have installed the driver for TP-LINK Android Phone / Android Bootloader Interface.

3. Launch Mi Flash Tool, choose Clean all, for Vendor Tampered ROM devices, as shown below:-


Now, click Select button and choose the ROM folder you have unzipped, as shown below:-


Next, click the "Refresh" button, and an Alpha-numeric value will appear under the Device column, as shown below:-


Having done that, now to begin flashing, click "Flash" button, as shown below:-





Now, you have successfully flashed China Stable ROM based on Marshmallow to Beta Global Developer ROM based on Nougat.

C. Fastboot Flashing Method - Redmi Note 4X (4GB+64GB) - MediaTek

For this Fastboot Tutorial, I am flashing the China Stable ROM.
For both Locked & Unlocked Bootloader:

Download:
Installation of SP Flash Tool & Drivers:
Downnload all the Zip files and unzipped accordingly.

Next, you need to install drivers in order to connect your device properly, just extract "Driver_Auto_Installer_v1.1236.00.zip", and double-click "Install.bat", and it will automatically install the necessary drivers, and allow permissions for these drivers to be installed.


Unzipped, both SP_Flash_Tool_exe_Windows_v5.1712.00.zip and nikel_images_V8.1.14.0.MBFCNDI_20170313.0000.00_6.0_cn_5f0add2100.tgz.

Fastboot Flashing - SP Flash Tool:

Goto to SP_Flash_Tool_exe_Windows_v5.1712.00 folder and right-click "flash_tool.exe", then choose "Open" or "Run as administrator" as shown below:-



Once in the SP Flash Tool, click on the "Download Agent" and locate "MTK_AllInOne_DA.bin" from the unzipped SP Flash Tool folder earlier and click Open, as shown below:-



Next click on the "Scatter loading" button and locate the "MT6797_Android_scatter" from the unzipped "nikel_images_V8.1.14.0.MBFCNDI_20170313.0000.00_6.0_cn" folder earlier and click Open, as shown below:-




Now, Untick all the boxes, except Boot and Systems and click the "Download" button.


DEVICE: Still in Off-state, PRESS and HOLD the Vol (-) Down (release only when the yellow bar comes out), immediately, followed by connecting your device to the PC/Laptop via USB Cable.


You will immediately see the progress bar going Red, Purple momentarily, and Yellow for a few minutes until the flashing process is complete, as shown below:-




When it is completed and successful, you see the 100%, yellow full bar and a big check mark.



You have successfully flashed the current "China Stable V8.1.14.0.MBFCNDI" and your phone will then reboot itself accordingly.

D. Recovery Flashing Method

For this Recovery Tutorial, I am going to flash China Stable ROM to the latest China Developer Rom.

NOTE: Only one exception, for China Stable - China Developer ROM, you can use Updater App to flash recovery ROM but not the other way round. eg. China Developer - China Stable ROM, as the latest or newer ROM applies here. For Global Stable - Global Developer ROM it is not possible due to the fact tht it is of different Android version. While, for the case of flashing other ROMs of the same variant is possible but keep in mind it will not flash backward builds. It has to be flash from an older to later ROM build, or else you will get Can't Verify Error or Illegal Errors.

  • It is advisable to do at a Local Backup to safeguard your personal data. Check RELATED THREADS for Backup & Restore tips.

1. Launch "Updater" App and follow the images below:-








Now, you have successfully flash China Stable to China Developer ROM.
thanks to : feds64