How To Flash Redmi Note 9S (Just Around 7 Minute)


How To Flash Xiaomi Redmi Note 9S – Flashing is crucial for some users that have problems with their devices, something like bootloop, or even a dead phone. While these problems maybe can’t be solved by flashing, it’s still worth knowing an alternative to try to fix it by yourself first before you dump your phone to the service center.


At this time, I will give you instructions on how to flash Xiaomi Redmi Note 9S. You also can download all necessary files at down below.

Xiaomi Redmi Note 9S comes as new series of “Redmi” phones. Here is few key specifications of Xiaomi Redmi Note 9S:

  • Snapdragon 720G processor which runs on Octa-core (2×2.3 GHz Kryo 465 Gold & 6×1.8 GHz Kryo 465 Silver)
  • 6.67-inch display with FHD+ resolution
  • 4/6 GB RAM
  • 64/128 GB storage
How to Flash Redmi Note 9S

Xiaomi Redmi Note 9S uses a quad-camera setup with 48 MP PDAF being the main camera. The others are 8 MP ultrawide, 5 MP macro, and 2 MP depth.
While the front camera of Xiaomi Redmi Note 9S is 16 MP wide and placed at the center of phones display.

Other specifications and features of Redmi Note 9S include 5020 mAh Li-Po battery, USB Type-C, fast charge 18W, and many more.

Make sure you read it carefully everything I say before you applied to your Redmi Note 9S. Do it with your own risk.


Some problem that may be fixed with flashing is:

  • Xiaomi Redmi Note 9S bootloop
  • Xiaomi Redmi Note 9S forgot password
  • Xiaomi Redmi Note 9S lost MIUI password
  • Xiaomi Redmi Note 9S restart continuously
  • Xiaomi Redmi Note 9S hardbrick

Most of the problems that occur above are from yourself, but still, there is a little chance that is a system fault. So I hope this guide to flashing can fix all of your problems.


But flashing is not only about to fix a problem phone, but you also can try another ROM via flashing.

Some users prefer other ROM than an original one, just because they want a better experience. Alright, before we go-ahead to flashing point, let’s download some necessary files first.

Stock ROM MIUI Xiaomi Redmi Note 9SDownload
USB Driver Xiaomi Redmi Note 9SDownload
Mi Flash ToolDownload
Unlock Bootloader Xiaomi Redmi Note 9S

Beside that downloaded file, you also need to confirm that your phone already unlocked, otherwise you cannot should consider open that link above to know how to unlock bootloader your Redmi Note 9S. But I suggest to try check your bootloader first.

How To Check Bootloader Status Xiaomi Redmi Note 9S

First, you need to download adb file above and install it to your PC. After done, open C:\Program Files\Minimal ADB Fastboot then hold and press SHIFT + right-click on that folder. Choose an open command window here to process.

How To Flash Xiaomi

Now turn off your phone and start to enter fastboot mode by press and hold volume down and power button together until your screen turns into a picture like this.

Fastboot logo Xiaomi

Now finally connect your phone to your PC via USB cable and wait for your PC to read the phone. If it’s done, type this command to your cmd window to make sure your phone already connected:

fastboot devices

A random strings will show up if your phone is connected, if that happen then you can continue to type this command :

fastboot oem device-info

But if it’s turn out that your PC can’t read your phone, maybe you should try reinstall adb drivers to your PC or wait a little longer and recheck by typing first command.

How To Flash Xiaomi Redmi

Look at cmd screen, if Device unlocked: true then it’s mean your bootloader is already unlocked. While if the result shows false, then your bootloader is still locked for now and you need to unlock it to finally begin the flashing process.

Another reminder to fully backup your data first before continue.


How To Flash Xiaomi Redmi Note 9S

Now if you are sure your phone bootloader already unlocked, then start reading the next instructions here. But a reminder that the next step will probably erase all of your data, so I suggest you do a full backup first before continue.

STEP #1. Install Xiaomi Redmi Note 9S drivers and Mi Flash Tool that you are download back then.

STEP #2. Extract Stock ROM Xiaomi Redmi Note 9S files to your PC.

STEP #3. Now open Mi Flash Tool and browse the location of your extracted Xiaomi Redmi Note 9S ROM.

How To Flash Xiaomi Redmi

STEP #4. You can pick another options at down-right side of the apps, and some of them are:

  • “flash_all” choose this option if you want to clean flash, mean all of your data and apps were gone. (recommended)
  • “flash_all_except_data_storage” choose this option if you want to flash without losing your data, only your apps.
  • “flash_all_lock” choose this option if you want a clean flash then bootloader to be locked again.
How To Flash Xiaomi

STEP #5. If you’re done to picking, now turn off your phone and enter fastboot mode by press and hold volume down and power button together. Then connect your phone to your PC via USB cable.


STEP #6. Wait a second and hit repeat at Mi Flash Tool so the apps can read your phone.

STEP #7. If your phone already detected, now hit flash to begin flashing. Wait until the process end and your Redmi Note 9S should restart by itself. Please note that the restart process will be a little longer than before.

Now if you are successfully unlocking bootloader and flash Xiaomi Redmi Note 9S, maybe you can try to root Xiaomi Redmi Note 9S. See you next time at

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