How to reflash Xiaomi Redmi 6 Pro on global firmware: a complete guide with nuances

Xiaomi Redmi 6 Pro is one of the most popular budget smartphones of 2018, which is still actively used. However, owners of the Chinese versions of the device (codename: sakura) often face limitations: the lack of Google services, Chinese applications in the system and unstable work of some functions. The solution is to install global firmware MIUI. But the process has its pitfalls: from unlocking the bootloader to choosing the right version of the software.

In this article, you will find a step-by-step guide with current links to 2026 tools, a breakdown of typical errors (for example, Error: flash not allowed in locked state), as well as tips for optimizing the performance of the smartphone after flashing. We took into account all the changes in Xiaomi’s policy on unlocking downloaders and adapted the process to the latest versions of MIUI 14 and HyperOS (where available).

Why you should switch to global firmware

The Chinese versions of Redmi 6 Pro (CN ROM) are initially domestically oriented, which is a disadvantage for international users.

• 🚫 Lack of Google Play Services – it is impossible to install most apps, including YouTube, Gmail or maps.
• 📱 Chinese system applications (Mi App Store, Mi Video, Mi Music) that take up memory and are not deleted without root rights.
• 🔒 Language restrictions – even if you manually change the region, part of the interface remains in Chinese.
• ⚠️ Certificate issues – some banking apps and instant messengers (like WhatsApp) are refusing to work due to a lack of Google SafetyNet.

Global ROM solves these problems, but it also has a downside:

• ⏳ Fewer updates – Global versions MIUI It is updated less frequently than Chinese.
• 🔋 Possible performance decline – some users note higher battery load due to background work of Google services.
• 📡 Lack of regional features – for example, in global firmware there may be no VoLTE support for some Russian operators.

Important: Xiaomi has officially stopped supporting the Redmi 6 Pro since 2023 as part of its MIUI update program, but global firmware is still available for manual installation via Fastboot or Recovery.This means that new versions of HyperOS will not be available on this device, but current MIUI 14 builds continue to be distributed by enthusiasts.

Preparation for Flashing: What to Do Before Starting

Incorrect preparation is the main reason for the "bricks" (turning a smartphone into a "brick").

⚠️ Note: If your Redmi 6 Pro is purchased from Xiaomi’s official store in Russia or Europe, chances are it already has global firmware. → The phone. → Version. MIUI. If there is a name at the end RU or Global - no need to re-flash.

List of mandatory actions:

Make a backup copy of the data (photos, contacts, SMS)|Check the current version of the firmware|Make sure the battery is charged > 60%|Download the correct firmware version for your model|Install drivers ADB and Fastboot on PC|Unlock the bootloader (if it is blocked)|Disable the antivirus on your computer (it can block firmware files)-->

Pay special attention to backup. Fastboot flashing completely erases internal memory (userdata).

• 📁 Mi Cloud – for contacts, notes and parts of apps (requires a Xiaomi account).
• 🖥️ ADB Backup – for a full copy of the data (command: adb backup) -all -f backup.ab).
• 📱 Apps like Swift Backup – if you have root access.

Check the model and firmware version:

1. Open the Settings. → The phone.
2. Find the Model line (must be M1805D1SE or M1805D1ST) and the MIUI version.
3. If the version has CN is Chinese firmware, Global/RU is global.

Unlocking the bootloader: the most difficult stage

Xiaomi blocks the bootloader on all its devices, and the Redmi 6 Pro is no exception. Without unlocking, you can't install global firmware.

1. Linking your Mi Account to your device is required to obtain permission to unlock.
2. The confirmation waiting period can take 3 to 30 days (depending on Xiaomi’s policy).
3. Unlock directly through the Mi Unlock Tool.

Step-by-step:

1. Download the official Mi Unlock Tool (2026 version)
2. Put it on your phone: 🔧 Developer Mode (7 times click on Version) MIUI In Settings → The phone). 🔓 OEM Unlock and Debugging by USB In Settings → Additionally. → For developers.

Mi Account

Mi Unlock Tool

Fastboot

Power + Vol Down

Mi Unlock Tool

"Couldn't unlock. Try again after XX days"

⚠️ Note: Since 2023, Xiaomi has tightened the unlock rules for older devices. If your Redmi 6 Pro hasn't been unlocked before, you're at risk of being rejected even after waiting. EDL-Mode (requires an authorized Xiaomi account or paid services).

Selecting the firmware: which version of MIUI to install

There are several types of firmware available for Redmi 6 Pro (sakura):

For most users, the best choice is the official Global Stable of the latest available version (e.g. MIUI 14.0.4.0).If you need new features and are ready for possible bugs, you can try Xiaomi.EU.

How to check the compatibility of the firmware:

• 📌 The firmware file must contain sakura in the title (e.g: sakura_global_images_V14.0.4.0.TDLMIXM_20230612.0000.00_12.0_global.zip).
• 🔍 For Fastboot firmware, the archive must have files with the.img extension (for example, boot.img, system.img).
• 📦 For Recovery firmware, one.zip file (for example, miui_SAKURAGlobal_V14.0.4.0.TDLMIXM_20230612.0000.00_12.0_global.zip).

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If you downloaded the firmware but are not sure of its authenticity, check the hash amount of the file. Use the MD5 & SHA Checksum Utility utility and compare the resulting hash with the official one on Xiaomi's website.

Install firmware: step-by-step instructions for Fastboot and Recovery

There are two main ways to install firmware: through Fastboot (recommended for first flashing) and through Recovery (more convenient for updates).

Method 1: Installation via Fastboot (full firmware)

Required: unlocked bootloader, firmware in.tgz or.zip format with.img files, PC with installed ADB/Fastboot.

1. Unpack the archive with the firmware in a folder on the PC (for example, C:\sakura_fastboot).
2. Connect your phone in Fastboot mode (press Power + Vol Down when the device is off).
3. Open the command line in the firmware folder and execute: fastboot devices (should display the serial number of the device).
4. For Windows, run the file flash_all.bat, for Linux/macOS — flash_all.sh.
5. Wait until it is completed (the process will take 5-10 minutes).

Method 2: Installation via Recovery (Update)

Required: unlocked bootloader, firmware in.zip format for Recovery, smartphone with a charge of > 60%.

1. Move the downloaded.zip file to the root of the phone’s internal memory (not to folders!).
2. Boot in Recovery: Turn off your phone. Press Power + Vol Up before the Mi logo appears.

Wipe & Reset → Wipe Cache


Advanced → Update → Choose update package

And point the way to the firmware file.

Confirm the installation and wait for completion.

⚠️ If after flashing through Fastboot phone is stuck on the Mi logo for longer 10 So, for a minute, don't panic. Try to boot into Recovery and make Wipe Data. If that doesn't work, repeat the firmware, but on the move. 4 into flash_all.bat Replace the line with fastboot flash userdata userdata.img (This will reset the settings to the factory).

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If you install firmware through Recovery, never select the "Wipe All Data" option before the firmware starts, which will result in the loss of the firmware file that you copied to internal memory. First install the firmware, and then reset it if necessary.

Solving typical errors in flashing

Even with the correct following of the instructions, errors can occur, and let's look at the most common ones and how to correct them:

If none of the solutions worked, try:

• 🔌 Squeeze through EDL-mode (requires an authorized Xiaomi account or contacting a service center).
• 🔄 Return to Chinese firmware and then repeat the process with the global.
• 💬 Contact the forums 4PDA or XDA Developers with a bug log.

Optimization after flashing: what to do first

After successful installation of global firmware, it is necessary to:

1. Check the performance of the main functions: 📞 Calls and mobile internet (enable VoLTE in Settings) → SIM-maps and mobile networks). 📶 Wi-Fi and Bluetooth. 🔋 Charging and determining the level of the battery.
2. Update Google Play Services: Open Play Store → Settings → Auto Update and select Always. Install updates for Google Play Services and Google Play Store.
3. Disable unnecessary system applications: 📱 Use it. ADB To deactivate Bloatware: adb shell pm uninstall -k --user 0 com.mi.globalminusscreen 🔍 A list of safe packet removals can be found at XDA Developers.

Set up the battery:

• 🔋 Turn off auto sync for unnecessary accounts.
• 🛡️ Include the Adaptive Battery in Settings → Battery.

Recommended settings for extending battery life:

• 🔄 Set the screen refresh rate at 60 Hz (c Settings) → Display).
• 🌙 Turn on Dark Theme and Adaptive Brightness.
• 🚫 Turn off Device Search and Improved Location in Settings → Confidentiality.

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If the phone starts to warm up or discharge quickly after flashing, check the processor with the CPU Throttling Test application. Perhaps the firmware does not control the Snapdragon 625 cores correctly. In this case, try another version of MIUI or roll back to Chinese firmware.

FAQ: Answers to Frequent Questions