How to set up a Xiaomi router 4C: Complete guide with photos and tips

Xiaomi Mi WiFi Router 4C

MT7628N

TP-Link

ASUS

In this article you will find step-by-step instructions for setting up Xiaomi 4C From scratch, from power to Wi-Fi optimization, we'll look at common errors (e.g., why the router doesn't give you a message). IP-We'll tell you how to update your firmware without the risk of bricking, and we'll give you security tips. FAQ Answering rare questions that are not covered in standard manuals.

Important: the instructions are relevant for all modifications of the Mi Router 4C, including versions that support Mi WiFi Amplifier 2 (Speaker). 4A or newer – some of the settings may differ (for example, the firmware interface MiWiFi) ROM).

1. Preparation for setting up: what to do before turning on the router

Before connecting Xiaomi 4C To the network, check for all components in the box:

• 📦 The Mi WiFi Router itself 4C (white)
• 🔌 Power supply unit with Type-C connector (12V/1A)
• 📃 Brief instruction in Chinese/English (no Russian version)
• 🔄 Network cable RJ-45 (yellowish)

If there is no cable, it is no problem: it can be replaced by any other Ethernet cable category. Cat.5e The main thing is that it is not damaged and has a direct crimp (not a crossover).

Step. 1. Choose the optimal location for the router. - Xiaomi 4C It has two external antennas, but only enough power to cover the surface. 2-3 Avoid accommodation:

• 🚫 Near microwaves, refrigerators or other sources of interference
• 🚫 In closed cabinets or behind thick walls (concrete weakens the signal on the wall). 30-50%)
• 🚫 On the floor, it is better to place on a height 1-1.5 square

Step 2: Prepare the data from the provider, without which you can't set up the Internet.

• 🔑 Connection type (PPPoE, Dynamic Connection Type) IP, Static IP etc.)
• 🆔 Login and password (if PPPoE is used or L2TP)
• 🌍 DNS-server (optional, but recommended to speed up loading sites)

If you don't know these parameters, call your ISP or check the contract. Most Russian operators (e.g. Rostelecom, Beeline, MTS) use PPPoE with authorization.

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If you have a connection with technology GPON (fiber optic, then Xiaomi 4C It's not good, it doesn't have a port. SFP. In this case, a separate ONT-terminal from the provider to which the router connects via cable RJ-45.

2. Connecting the router to power and network: a step-by-step scheme

Now, on to the physical connection, follow the instructions in strict order to avoid typical errors (e.g., when the router doesn't turn on or flashes orange).

Procedure:

1. Connect the power supply to the router and plug it into the socket. The indicator on the front panel should light up in blue (if flashing orange - see the "Flaws Resolve" section).
2. Network cable (RJ-45) connect the port WAN on a router (usually highlighted in blue) with your modem port or internet cable from the provider.
3. Wait until the Internet indicator is installed (WAN) stop flashing and light up constantly (this means that the router received the IP-address).
4. Connect to the router via Wi-Fi or cable. Network name (SSID) and the password is indicated on the sticker at the bottom of the device (by default this is Xiaomi_XXXX combination 8 figure).

If the indicator WAN Continues to flash or burns orange - the problem is on the provider side (no signal) or the type of connection is incorrectly selected:

• 🔌 Is the cable in the port properly inserted? WAN (don't confuse LAN!)
• 🔄 Reboot the provider’s modem (if any)
• 📞 Check with the support if technical work is underway.

3. Web interface login and basic setting

Once you've successfully connected to a router, you need to go to the router's control panel, and you can do this in two ways:

• 🌐 Through a web browser at 192.168.31.1 or miwifi.com
• 📱 Through the Mi WiFi mobile app (available for Android and iOS)

Method 1: Configure via browser (recommended)

1. Open any browser (Chrome, Firefox, Edge) and type in the address bar 192.168.31.1. Press Enter.
2. Enter the login login and password. By default, this is: Login: admin Password: admin If the password does not fit, reset the router settings with the Reset button (hold 10 seconds).
3. After authorization, you will be taken to the main page of the MiWiFi interface. ROM. Here you can see the connection status, number of connected devices and the firmware version.

Method 2: Configure via the Mi WiFi app

The mobile application is convenient for quick setup, but has limited functionality compared to the web interface.

1. Download Mi WiFi from the App Store or Google Play.
2. Connect to the router network (as described above).
3. Launch the application and follow the instructions of the configuration wizard. The application will automatically determine the router model and prompt you to enter data from the provider.

⚠️ Note: When you first log in to a web interface or app, the router may suggest updating the firmware. Don't agree right away - set up the internet first to avoid losing connection during the update.

4. Set up an Internet connection (WAN)

This is the most important stage – without the right settings. WAN The router will not be able to distribute the Internet. Go to the Internet section in the web interface or application.

Selection of connection type:

The type of connection depends on your provider, and below is a table with settings for popular Russian operators:

Step-by-step setting for PPPoE (the most common option):

1. Select the PPPoE connection type.
2. Enter the username and password from the provider (registration is important!).
3. Indicate. MTU — usually 1472 or 1500 (check with support).
4. In the field DNS Build alternative servers (e.g. 1.1.1.1 and 8.8.8.8) to speed up loading).
5. Click Save and wait for the router to restart (1-2 minutes).

If the indicator is maintained WAN It flashes orange - check it out:

• 🔍 Correctness of the entered login / password (frequent error - unnecessary gaps)
• 🔄 Reboot the router and modem provider
• 📞 Check with support if they block the connection MAC-address (in which case, the cloning must be done) MAC)

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If your provider uses a link to MAC-address, go to the Network section → Cloning MAC Clone the address of your previous router or computer.

5. Wi-Fi network settings: name, password and channels

The default router network is called Xiaomi_XXXX, And the password is on the sticker. It's not secure -- anyone can connect with the standard combination).

Basic parameters:

• 📛 Name of the network (SSID): Think of a unique name (for example, MyHomeWiFi_5G). Do not use personal information (name, address).
• 🔐 Password: Minimum length is 8 characters, and a combination of letters, numbers and characters is recommended (e.g, k7#pL9!mQ2).
• 📶 Channel: Auto is the default, but in apartment buildings it is better to choose the channel manually (for example, 6 or 11 for 2.4 GHz).
• 🔄 Channel width: For 2.4 GHz, leave 20 MHz (reduces interference), for 5 GHz, you can set 40 MHz (more speed, but less range).

Additional settings for experienced users:

• 🔗 Guest Network: Create a separate network for guests with limited access to local devices (Settings) → Guest network).
• ⏱️ Wi-Fi schedule: You can turn off the network at night (for example, from 00:00 to 6:00) to save energy.
• 📡 Transmission power: In the section Additionally you can set High (increase the range, but increase energy consumption).

⚠️ Note: If after changing the settings Wi-Fi devices do not connect – check:

• 🔍 Correctness of the entered password (frequent error - register of letters)
• 📵 Make sure the device is disabled mode "In the plane"
• 🔄 Reboot the router and the device you connect from

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To check the speed of Wi-Fi, use the application WiFi Analyzer (Android) or NetSpot (iOS/Windows). It will show the load of channels and help you choose the freest one.

6. Update firmware and reset settings

Regular firmware updates improve router stability and close security vulnerabilities, but an incorrect update can brick your device — back up your settings before you start.

How to update firmware:

1. Go to the Upgrade section in the web interface.
2. Click Check Updates. If a new version is available, download it.
3. Wait until the process is complete (the router will restart automatically).

If the update is suspended or the router does not turn on after the firmware:

• 🔌 Turn off the power for 30 seconds, then turn it on again.
• 🔄 Try to return the old firmware through the recovery mode (hold the Reset button when turned on until the indicator starts flashing yellow).
• 📥 Download the firmware manually from the official Xiaomi website (support section for Mi Router) 4C) And upload it through the web interface.

Resetting settings to factory:

If the router is unstable or you have forgotten your password, reset:

1. Press and hold the Reset button (on the back) for a period of time. 10-15 seconds until the indicators start flashing quickly.
2. Release the button and wait for the reboot (1-2 minutes).
3. Connect to the default network (Xiaomi_XXXX) and reset the router.

7 Additional settings: security and optimization

The basic setup is enough for home use, but if you want to maximize performance and security, pay attention to these options.

Safety:

• 🔒 Change the password of the admin panel: By default, the login and password are admin. Change them in the System section → Password.
• 🛡️ Disable Remote Access: In Security, disable Remote Control if you don’t plan to configure your router from the outside.
• 📊 Filtration MAC-Addresses: Allow connection only to trusted devices (wi-fi section) → Filter MAC).

Network optimization:

• 🔄 Traffic Prioritization (QoS): In the QoS section, you can allocate more bandwidth for certain devices (e.g., Smart). TV game console).
• 🌐 Change of change DNS: Replace. DNS Provider on 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google) to speed up loading of sites.
• 📡 5GHz Disconnection: If you have few 5GHz devices, turn off this network in Wi-Fi settings – this will reduce the load on the router.

Diagnostics of problems:

If the internet is not stable, check:

• 📉 Channel load: In the Status section, see if the channel is overloaded (if the download is loaded) >80% – Someone is using your Wi-Fi).
• 🔌 Port status: Make sure the cable is connected to the port WAN, not LAN.
• 🔄 Router overheating: If the case is hot, let it cool (overheating can cause connection breaks).

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For maximum stability, disable the function. IPv6 customized WAN, If your provider doesn't support it, it will eliminate any conflicts with your provider. IPv4.

8.Typical errors and their elimination

Even after you set it up properly, you can have problems. Below are solutions for the most common Xiaomi bugs. 4C.

1.The router does not give away the Internet (indicator) WAN scorch):

• 🔍 Check the type of connection (PPPoE, DHCP And so on, perhaps the wrong person is chosen.
• 🔄 Reboot the provider modem and router.
• 📞 Check with support if they block the connection MAC-address (cloning required).

2. Wi-Fi is working, but there is no Internet access:

• 🌐 Check the settings. DNS (try 8.8.8.8 or 1.1.1.1).
• 🔧 In the section Network → DHCP Make sure that the server DHCP included.
• 🛠️ Reset the router settings and set up again.

3.The router is constantly restarting:

• 🔌 Check the power supply (try another adapter with options) 12V/1A).
• 🔥 Make sure the router doesn’t overheat (put it in a ventilated place).
• 🔄 Disable all additional features (QoS, parental controls) – RAM may not be enough.

4. Low Wi-Fi speed:

• 📶 Change your Wi-Fi channel to a less loaded one (use WiFi Analyzer).
• 🔄 Reduce the channel width to 20 MHz (for 2.4 GHz).
• 📡 Move the router closer to the center of the apartment.

⚠️ Warning: If the router stopped turning on after updating the firmware (only the orange indicator burns) - this is a sign of a failed firmware. TFTP:

1. Download the firmware from the official website and rename it to miwifi.bin.
2. Connect the router to the computer via LAN cable.
3. Launch it. TFTP-client, Tftpd64) and download the firmware at 192.168.31.1.

FAQ: Answers to Frequent Questions