How to Switch Xiaomi Redmi 8: Expert Guide

Owners of the popular budget smartphone Xiaomi Redmi 8 often face the need to reinstall the operating system. The reasons can be completely different: from the banal desire to upgrade to a newer version of MIUI, when automatic notifications stopped coming, to serious software failures such as “boot” (endless restart) or accidental deletion of system files. Sometimes users buy the device in the Chinese market and want to Russify it by installing global firmware.

The process of flashing this device, based on the Snapdragon 439 processor, has its own technical nuances that are critically important to consider. Unlike older models, anti-Rollback protection mechanisms are actively used here, which prevent rollbacks to older versions of software, which requires special care when choosing an image file. Wrong actions can lead to blocking the bootloader or loss of warranty, so before starting any manipulations, you need to clearly understand the algorithm of actions.

In this article, we will take a look at all the available software installation methods, from the standard update via the settings menu to the advanced Fastboot mode using the computer. You will learn how to unlock the bootloader, what drivers to install and how to avoid common bugs that turn the phone into a “brick.”

Preparation of the device and choice of firmware type

The first and most important step is to determine the current version of the software and choose the right file to install. Xiaomi smartphones are divided into regional versions: Global (Global), China (Chinese), EEA (Europe) and Russia. It is important to understand that if you change the region (for example, from China to Global), the data will be completely deleted, and in some cases, you will need an unlocked bootloader.

To check the current version, go to the Settings → About Phone menu. Pay attention to the letter index at the end of the MIUI version. If you have Chinese firmware (CN) and want to put global (Global), you can not do with a simple file replacement - you will need to unlock Bootloader. Otherwise, the installer will give a compatibility error.

Download system images should only be from trusted sources, such as the official website miui.com or authorized portals like xiaomirom.com. Using files from third-party forums without checking checksums can lead to infection of the device with malicious code or unstable operation of communication modules.

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Before downloading the firmware, make sure that the battery is at least 60%.The process of writing data to memory is energy intensive, and a sudden power outage can damage the bootloader partition.

Required tools and drivers for Windows

To do a successful flashing operation through your computer, you'll need a suite of specific software. Without the right drivers, Windows won't be able to communicate properly with your phone in diagnostic modes. The main tool is the Mi Flash Tool, which is officially supported by the manufacturer.

You also need to install universal Qualcomm drivers and ADB/Fastboot. Often they come bundled with Mi Flash, but in some cases they have to be installed separately through Device Manager. USB-A cable that can transmit data, not just charge the battery.

Below is a table of the required software and its purpose:

Unlocking the Bootloader bootloader

If you want to change your firmware region or install custom software, you can't do without unlocking the bootloader. It's a security mechanism that by default prevents you from making changes to system partitions. For Redmi 8, the procedure is standard, but it takes time to wait.

First, link your Mi Account to your device. Go to Settings → About → MIUI version and click 7 times on the build number to activate the developer menu. Then, in the advanced settings, look for “Mi Unlock Status” and add the account. After that, wait 168 hours (7 days).

⚠️ Attention: The unlocking process completely clears the device's internal memory. All photos, apps and files will be deleted without recovery, so back up to a cloud server or PC in advance.

After a week of waiting, connect your phone to Fastboot mode (clamping the volume button when the screen is off) and start the Mi Unlock Status utility on your computer. If all conditions are met, the unlock button will become active, a step that is irreversible for warranty obligations in some regions.

Firmware method via Fastboot (Recommended)

The most reliable and clean way to install the system is the Fastboot method, which allows you to write all partitions of memory again, eliminating conflicts of old files. To do this, you will need a downloaded firmware with the.tgz extension and unpacked into the root folder of the disk, for example, C:\rom.

Put your smartphone into Fastboot mode by slamming down the volume button and connecting the cable to your PC. The screen will show an image of a rabbit repairing an android. Run the Mi Flash Tool on behalf of the administrator. Press the Refresh button and the utility will identify the connected device by its serial number.

At the bottom of the program window, select firmware mode. To clean it completely, choose clean all. If you choose save user data, personal files may be saved, but errors may occur when you transition between Android versions. Press the Flash button and wait for the process to be completed, which can take 300 to 600 seconds.

fastboot devices


fastboot flash boot boot.img




fastboot flash system system.img




fastboot reboot

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Clean All mode completely deletes all data and unlocks the bootloader (if it has been blocked), making the device absolutely clean, as from the store.

Update via Recovery Mode without PC

If you don't have a computer on hand or just need to upgrade within a region, you can use the built-in Recovery Menu, which is less risky, but has limitations: you can't change region and you can't roll back to an older version of Android because of Anti-Rollback protection.

Download the firmware file with the.zip extension (Recovery ROM) and put it at the root of the phone's internal memory. Rename the file to update.zip for convenience, although this is not always necessary. Go to the Recovery menu with the volume up and power button pressed simultaneously.

In the menu that appears, select a language (if available) and click Wipe Data if you want to reset, or immediately go to Connect with MIAssistant (for PC installation) or select a file through the menu if the local update feature is activated. It is often easier to select “Select File” directly from the Recovery menu if such an option is present in your version.

⚠️ Note: When upgrading through Recovery (it is strictly forbidden) to interrupt the process, even if the screen is turned off.The phone can restart several times on its own - this is normal behavior of the system when optimizing applications.

Once installed, the phone will automatically restart. The first boot can last up to 10-15 minutes, as the system creates new cache files and optimizes the database. Don't try to speed this up with the push of buttons.

Solution and errors in firmware

When you flash Redmi 8, users often encounter error codes. For example, a “Missmatching image and device” error indicates that you are trying to install firmware from another model or region without unlocking. A “Not enough space” error may occur if there is not enough space on disk C for temporary files.

If the phone went into a “boot” after a failed attempt, you need to return to the Fastboot method and choose the clean all mode. In rare cases, when the device is not detected by the computer at all, you may need to sell the plume or use the EDL (Emergency Download) method, which is available only in authorized service centers.

Also common is blocking Mi (FRP Lock) accounts, if you didn't log out of your Mi Account before flashing and delete it from trusted devices, after installing the new system, the phone will require you to enter the password from your old account, without which you will not be able to use the device.

Compliance with all technical requirements and careful reading of instructions avoids most problems. Xiaomi Redmi 8 is a reliable device that, when maintained properly, can last for years, getting the latest security patches and new interface features.