Mi Share in Xiaomi Redmi Note 9 Pro: a complete guide to the function of fast file transfer

Xiaomi Redmi Note 9 Pro is one of the most popular smartphones of 2020, which is still actively used thanks to balanced specs and regular updates. MIUI. Among the many built-in features, Mi Share, the company's wireless file transfer service, is a special feature, but what is the technology, how does it work on the Redmi Note 9 Pro, and how is it different from analogues like AirDrop or Nearby Share? In this article, we will discuss all the nuances in detail, including hidden settings, limitations and ways to eliminate typical problems.

If you’ve ever tried to send a photo or document from one smartphone to another via Bluetooth, you know how slow and uncomfortable it can be. Mi Share solves this problem by offering up to 10MB/s (in theory) and file support of any type, from small contacts to multi-gigabyte videos. However, it’s not all that smooth: the feature has its pitfalls, especially on older versions. MIUI, The Redmi Note 9 Pro is often used on the Redmi Note 9 Pro due to upgrade restrictions, and then you will learn how to make the most of the Mi Share, what alternatives are worth considering, and why it is sometimes better to use the cable.

What is Mi Share and why is it needed in Redmi Note 9 Pro?

Mi Share is Xiaomi’s proprietary technology, designed to accelerate file sharing between the brand’s ecosystem devices (smartphones, tablets, laptops) and is essentially analogous to Apple’s AirDrop or Google’s Nearby Share, but with a number of unique features, the main advantage being that there is no need to connect to the Internet: files are transferred directly over the Wi-Fi Direct protocol (using Bluetooth to initialize the connection).

On the Redmi Note 9 Pro, the function is integrated into the MIUI Since version 12, it depends on several factors:

• 📱 Version. MIUI: On older builds (below 12.0.3), Mi Share may be missing or may not work smoothly.
• 🔄 Firmware Region: Global (Global) and Chinese (China) versions MIUI The set of supported devices for exchange may differ.
• 📶 Hardware limitations: Redmi Note 9 Pro is equipped with Wi-Fi 5 GHz module, which theoretically should speed up the transfer, but in practice the speed is often limited to 2-4 MB / s due to software features.

It's important to understand that Mi Share is not just "Bluetooth on steroids," it uses a combination of Wi-Fi Direct and Bluetooth. LE for the installation of the connection, which allows:

• 🚀 Transfer files at speeds up to 10MB/s (under ideal conditions).
• 🔗 Support simultaneous exchange between multiple devices (up to 5 on the same network).
• 🔒 Encrypt data during transmission (although the level of protection is inferior to specialized messengers like Telegram).

⚠️ Note: Redmi Note 9 Pro with MIUI 11 or lower Mi Share may not be on the menu, requiring manual firmware updates or alternative file transfer methods.

How to turn Mi Share on and configure on Redmi Note 9 Pro

Activation of the function takes less than a minute, but before the first use, it is recommended to check several key parameters.

1. Open the settings on your Redmi Note 9 Pro.
2. Go to the Connections and Sharing section → Mi Share.
3. Activate the Mi Share switch (if it is turned off).
4. Click on Settings (cog in the upper right corner) and configure settings: 📌 Device visibility: Choose All contacts or only my devices (the latter is safer). 📁 Folder to save: By default, files are in Downloads/MiShare, But the way can be changed. 🔋 Charge savings: Disable this option if you want maximum transfer speed.

After setting up, check that both devices (sender and receiver) have Wi-Fi and Bluetooth enabled. Mi Share automatically creates a Wi-Fi Direct hotspot, but if the modem modem is activated on the smartphone or if the device is not connected to the device. VPN, connection may not be established.

Enable Wi-Fi and Bluetooth on both devices

Check the MIUI version (update if necessary)

Make sure there is enough free space on the devices

Shut down. VPN modem

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If Mi Share is not displayed on the menu, the reasons may be as follows:

• 🔄 An outdated version MIUI (Solution: Update the firmware through Settings → The phone. → Updating the system).
• 🌍 Regional restrictions (some firmware for India or China is called Xiaomi Share).
• 🛠️ Manual disabling of system applications (check in Settings) → Annexes → Application management → Systemic).

Transfer speed and real tests on the Redmi Note 9 Pro

The manufacturer claims that the Mi Share can transmit data at up to 10MB/s, but in practice it depends on a number of factors (MIUI 12.5) with different file types:

As can be seen from the table, the real speed rarely exceeds 4 MB / s, and for large files (video, archives) it can fall to 2 MB / s.

• 📎 Bluetooth 4.2 (in Redmi Note 9 Pro): ~1–1.5 MB/s.
• 📶 Wi-Fi Direct (theoretically): up to 25MB/s, but in practice limited to firmware.
• 🔌 Cable USB-C: 40–60 MB/s (10–15 times faster than Mi Share).

Critical: when transferring files larger than 1 GB, Mi Share on the Redmi Note 9 Pro often breaks the connection or significantly reduces the speed, in such cases, it is better to use alternative methods (see section below).

Mi Share/Xiaomi Share|Bluetooth|Cable USB|Cloud services (Google Drive, Mi Cloud)|Other-->

Limitations and Typical Mi Share Problems on the Redmi Note 9 Pro

Despite the convenience, the feature has a number of drawbacks, especially noticeable on the Redmi Note 9 Pro with the help of the Redmi Note. MIUI 12 and below. Here are the most common problems and their solutions:

⚠️ Note: If Mi Share is permanently disabled during transmission, check if the device is power saving mode activated. Add the Mi Share app to the exception list in Settings → Battery → Optimizing the battery.

• 🔌 "Unable to connect": Cause: Conflict with other connections Wi-Fi/Bluetooth. Solution: Disable all active networks and restart Bluetooth.
• ⏳ Slow speed: Reason: Outdated firmware or background processes.Solution: Update MIUI Up to the latest version or close all applications before transfer.
• 🚫 "Device not supported": Reason: Different versions MIUI Solution: Make sure both smartphones are installed MIUI 12 or newer.
• 📂 Files are not saved: Reason: Not enough space in the MiShare folder Solution: Change the way you save in settings or clear the memory.

Another common complaint of users is that there's no progress, and the indicator can freeze by 0% or 100%, although it's actually going on.

1. Wait 1-2 minutes (sometimes the delay is due to Wi-Fi Direct initialization).
2. If the transfer does not start, restart Mi Share on both devices.
3. Check if the transmission is blocked by an antivirus or firewall (for example, Google Play Protect).

On the Redmi Note 9 Pro with MIUI 11 and below may not be available at all, in which case it can be activated via a hidden menu:

Enter the phone code in the app: ##6474##


(It doesn’t work on all the slates!)

Mi Share Alternatives for Redmi Note 9 Pro: Which is Better?

If Mi Share is unstable or you need additional features (such as PC transfers), consider alternative ways to:

To transfer files between Redmi Note 9 Pro and your computer, it is better to use:

• 🖥️ Mi PC Suite (official software from Xiaomi) – supports backup and file management.
• 🌐 FTP-server ES Conductor – allows you to access smartphone files over a local network.

LocalSend is a very special attention-grabbing open source software that supports Xiaomi, Samsung, Windows and even Linux, and it often has faster transfer speeds than Mi Share, and more intuitive interfaces, and you can install it from the official website.

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If you need to transfer files to a MacBook, use Android File Transfer + Mi Share is incompatible with macOS, and Nearby Share is unstable.

Mi Share Security: Should I Trust the Functions?

Privacy is a concern for many users, especially when it comes to transferring personal data. AES-128 To protect the transferred files, but there are a few nuances:

• 🔐 Local encryption: Data is only protected during transmission; once stored on the device, it becomes vulnerable (unless the smartphone is locked).
• 👥 Device visibility: In All Contacts mode, your Redmi Note 9 Pro can be detected by any Mi Share user nearby".
• 📡 Traffic interception: Theoretically possible with legacy versions MIUI (Update the firmware below 12.5!

For maximum safety:

1. Turn off Mi Share when you don’t need it (in Settings) → Connections → Mi Share).
2. Use the function only on trusted networks (at home, at work).
3. To transfer confidential data (documents, passwords), it is better to use encrypted messengers (Telegram, Signal).

⚠️ Attention: B MIUI 11 and below, vulnerabilities were found that allow you to connect to Mi Share without user confirmation.If your Redmi Note 9 Pro runs on old firmware, avoid using the feature in public places.

How to completely disable Mi Share on Redmi Note 9 Pro

If you don't use the feature or you're worried about security, you can deactivate it or delete it. Here are all the ways you can:

Method 1: Disabling in the settings

1. Go to Settings → Connections and Sharing → Mi Share.
2. Turn off the switch at the top of the screen.

Method 2: Remove updates (if Mi Share is installed as a system application)

1. Open Settings → Applications → Application Management.
2. Find Mi Share on the list.
3. Click Remove Updates (if the button is active).

Method 3: Complete removal (requires root rights)

Use the ADB- command:


adb shell pm uninstall -k --user 0 com.miui.mishare.connectivity

⚠️ Warning: Removing system applications could lead to unstable operation MIUI. Do this only if you are confident in your actions!

FAQ: Frequent questions about Mi Share on Redmi Note 9 Pro

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Mi Share is convenient for fast transfer of small files between Xiaomi devices, but for large data or cross-platform sharing, it is better to use alternatives like LocalSend or cable connection.