Xiaomi Mi 4: how to connect to your phone, PC and Wi-Fi

The Xiaomi Mi 4, despite its age, remains a reliable device for many users who need to know how to properly organize its interaction with other gadgets. Connecting this device to a modern phone or personal computer may be necessary to transfer data, distribute the Internet or debug the system. The synchronization process depends on whether you plan to use a wired or wireless method of interaction.

Owners often have to quickly move photos or contacts, and understanding the workings of USB and Bluetooth interfaces is critical here. In this article, we will take a closer look at all the ways that people connect, paying special attention to the nuances that come with old but time-tested models.

Before we get to specific actions, we need to make sure that the cable and ports are in good condition, because physical contact is the foundation of stable work. Incorrect port mode can lead to the fact that the computer will not see the device and file transfer becomes impossible. Let's look at the main options for integrating your gadget into the digital ecosystem.

Preparation for synchronization and inspection of equipment

The first step before any connection is to thoroughly check the physical condition of the connectors.The Micro-USB port used in the Mi 4 model can become loose or clogged with dust over time, which prevents normal contact. It is recommended to clean the connector gently with a wooden toothpick or compressed air, avoiding the use of metal objects.

Cables are just as important as the smartphone itself. Cheap cables often only support charging and don't have data lines. Data requires high-quality cables with shielding and working Data+ and Data- lines. If you use the cable solely for charging, the computer won't be able to detect the device no matter how much you try to connect it.

It’s also worth checking the status of drivers on your computer if you’re planning a connection to a PC. Windows 10 and 11 usually automatically find the components you need, but older models sometimes require manual installation of ADB drivers or specialized software from the manufacturer.

• 🔌 Check the integrity of the Micro-USB cable and the absence of clogs.
• 🧹 Clean the smartphone charging connector from pile and dust.
• 💻 Make sure that USB-The computer port is good and powering the devices.
• 📱 Charge the Xiaomi Mi 4 battery to at least 20% before work begins.

⚠️ Warning: Using damaged or too long cables (more than 2 meters) can cause a voltage drop and an unstable connection where the device will permanently shut down.

Connecting Xiaomi Mi 4 to your computer via USB

The most common use case is a connection to a personal computer to transfer files. Once the cable is physically connected to the PC port and smartphone, a USB mode notification will appear on the phone screen. By default, Android often chooses Charge Only mode, which hides files from the outside world.

To access the file system, you need to change this setting. Lower the notification curtain on the top of the screen and click on the message Charge through. USB». In the menu you should select the mode MTP (Media Transfer Protocol: This protocol allows a computer to see internal memory and SD-map.

If the computer does not respond to the connection even after the change of mode, it may be because of the lack of drivers. Windows Device Manager may appear unknown device with a yellow exclamation mark, in which case you will need to install universal drivers Google USB Driver or proprietary utility Mi PC Suite, although the latter has not been updated for a long time and may not work correctly on new OSes.

Sometimes it helps to enable debugging over USB, which makes available advanced device management functions. To do this, go to the Settings → About menu and quickly click on the build number seven times to unlock the developer menu. Then, in the additional → For developers, activate the “Debugging over USB” option.

Setting up a Wi-Fi wireless connection

Wireless remains the main way to get online for most users. Xiaomi Mi 4 supports 802.11 b/g/n Wi-Fi standards, operating in the 2.4 GHz band. To connect, you need to go to Settings → Wi-Fi and activate the slider at the top of the screen.

Once the module is turned on, the smartphone will start scanning the available networks. Select your network from the list and enter a password. If the network is hidden, click Add Network and enter the name (SSID) manually. It is important to monitor the correct register of letters, since Wi-Fi is sensitive to the register of characters.

In case of connection problems, such as permanent status “Getting” IP-Addresses, try static settings IP. Click on your network name in the saved list, select “Change Network” and change your settings in advanced settings IP s DHCP Static. In the field. IP-Enter the value corresponding to your subnet, for example 192.168.1.150.

Using a Smartphone as a Modem (USB Tethering)

The Xiaomi Mi 4 can act as an external modem for a computer that does not have a Wi-Fi module, a technique called USB Tethering, which allows you to transfer mobile Internet (3G/4G) to a PC via cable, which is especially useful when traveling or in the absence of a home provider.

To activate the mode, make sure that the smartphone is enabled mobile data transfer and it is connected to the Internet. → More. → Modem mode. You need to activate the switch «USB-The computer automatically determines the new network connection and installs the necessary drivers of the virtual network adapter.

The advantage of this method over a regular Wi-Fi hotspot is the stability of the connection and simultaneous charging of the phone. The wired connection is less prone to interference and provides a higher data rate, which is critical for downloading large files or video calls.

• 📡 Turn on mobile internet on Xiaomi Mi 4.
• 🔗 Connect your phone to your PC with a high-quality cable.
• ⚙️ Activate the item «USB-modem in network settings.
• 💻 Wait for the network card drivers to be installed on your computer.

⚠️ Attention: When in use USB-The modem phone can get much hotter because the radio module and the processor are working.

Connecting to another phone via Bluetooth

Bluetooth is perfect for transferring small files, contacts or links to another phone. Xiaomi Mi 4 features a Bluetooth 4.0 module that provides a sufficiently high speed for its years. To start pairing, turn on Bluetooth on both devices via the settings menu or the quick bar.

Once turned on, click on Device Search. When the name of your second phone (such as Samsung or another Xiaomi) appears in the list, click on it. Both screens will show a confirmation code that must match. Confirm pairing, and the devices will be linked.

To transfer files, open the desired object (photo, contact), click the "Share" button and select the Bluetooth icon. The system will prompt you to select a device from the list of paired devices. On the receiving device you will need to confirm the request for the file.

Bluetooth transmission speeds are limited, so this is not a good method for high-resolution video, but for documents and photos, it's a convenient way that doesn't require Internet access. Remember, in visibility mode, the phone can be detected by outsiders, so it's better to turn off detectability after use.

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To speed up the transfer of large amounts of data, use the Mi Drop app (now ShareMe), which creates a local Wi-Fi network between devices and transfers files many times faster than Bluetooth.

Sync with Mi Account and cloud

The modern approach to connectivity is not physical connectivity, but sync through cloud services. For Xiaomi owners, that means using Mi Cloud. By logging into your Mi Account through the Settings → Mi Account menu, you can automatically save contacts, messages, notes and photos.

This method allows you to connect your old Mi 4 to a new phone simply by entering your username and password on the new device, and all the data will instantly appear in the memory of the new gadget, the most reliable way to migrate, eliminating data loss if the old device physically breaks down.

It's important to check sync status regularly, and the "Mi Cloud" section shows what data is being downloaded and how much free space is left, and the base storage is usually 5GB, which is enough for contacts and settings, but may not be enough for a photo archive.

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Regular sync with Mi Cloud is the best data loss insurance, allowing you to instantly restore all settings on any Xiaomi device.

Frequent problems and methods of their elimination

Users can face a variety of challenges in the process of operation. One common problem is that the computer cannot see the phone in MTP mode. Often the solution lies in reinstalling the MTP USB Device driver through Windows Device Manager, where you need to manually select the driver from the list.

Another problem is that you can't connect to 5GHz Wi-Fi. The fact is that the Xiaomi Mi 4 doesn't technically support 5GHz, only running at 2.4GHz. If your router only broadcasts 5GHz, your phone won't see it, you need to set up the router to work in mixed mode or allocate the 2.4GHz network.

Bluetooth may also crash when the phone can’t see other devices, in which case it helps to clear the Bluetooth cache. To do this, turn on the application menu to display system processes, find “Bluetooth”, open its properties and click “Clear Cache” and “Erase Data”.