Xiaomi Router 4A Gigabit Edition: full setup from A to Z

Router Xiaomi Router 4A Gigabit Edition (Worldwide version of Mi Router) 4A Gigabit has become one of the most popular home networking solutions thanks to its balance of price, performance and functionality. Four gigabit ports, Wi-Fi 5 support (802.11ac) with a maximum speed of up to 1167 Mbit / s and the ability to work with IPTV It's a versatile device for apartments and small offices, but many users have difficulty setting up the first setup, especially in specific scenarios like dual-use. NAT, Prioritizing traffic or setting up a guest network.

In this guide, we will look at all the stages of configuration, from basic Internet connection to subtle optimizations for gamers and streamers, and focus on hidden features of the firmware of 2026, which Xiaomi does not advertise in the official documentation: For example, manually configuring DNS-over-HTTPS or activating Mesh mode for compatible devices. If you just unpacked the box or want to reconfigure your old router, this guide will help you avoid errors and make the most of your journey. 4A Giga.

1. Preparation for setting up: what to do before the connection

Before you turn the router on, check three key points:

• 📦 Supply kit: in the box should be a router, power supply (12V/1A), cable (CAT5e) And you can see that some of the shipments are uncable, and you have to buy them separately.
• 🌐 Type of Internet connection: check with the provider what protocol is used IP (DHCP), PPPoE, Static IP or L2TP. For Rostelecom, MTS and Beeline, PPPoE is most often relevant.
• 📱 Setup device: Prepare a smartphone/laptop with Wi-Fi 5 GHz (for maximum speed) or network port. When configured via your phone, turn off mobile internet to avoid conflicts.

If you are connecting Xiaomi 4A Giga instead of the old router, don't turn off the old router beforehand:

• 🔑 Login and password from the personal account of the provider (if PPPoE is used).
• 📡 Name and password from your current Wi-Fi network (to avoid losing connected devices).
• 🔌 MAC-address of the old router (may be needed to link the provider).

⚠️ Note: If your provider uses a binding MAC-address (relevant for some tariffs Dom.ru or local operators), the router may not receive IP-The address is automatic, and you'll need to clone it. MAC Older device or report new device MAC supportively.

2. Physical connection and first launch

Connect the router according to the following scheme:

1. Insert the power supply unit into the connector DC 12V on the back of the router and turn it on the socket. The power indicator should light up blue (standby) or orange (when you are actively setting up).
2. Connect the port with a network cable (from the set) WAN (usually in blue) with the provider port on the wall or modem.
3. If you use a wired connection to set up, connect one of the LAN-Ports (yellow) with a computer.

Wait until the indicator is SYSTEM And it's going to flash orange, which means that the router is ready to configure.

Collect data from the provider (login / password)

Connect the power supply

Connect WAN-cable-port

Connect the device for setting up (PC/smartphone)

Disconnect mobile Internet on the phone-->

3. Web interface login and basic setting

There are two ways to get into the control panel:

1. Through IP-address: type 192.168.31.1 (standard address for Xiaomi) in the browser address bar. If the page does not open, check the connection to the router or reset its settings with a button RESET (hold on).
2. Mi Wi-Fi: Connect to a network with a name Xiaomi_XXXX (password is listed on the sticker at the bottom of the router, then go to miwifi.com.

At the first entry, the system will offer:

1. Select the interface language (Russian is available).
2. Set the administrator password (at least 8 characters, save it!).
3. Set up an internet connection (select the type from the list and enter data from the provider).

Once you've successfully connected to the Internet, the router will suggest setting up Wi-Fi.

• 🔒 Set different passwords for networks 2.4 GHz and 5 GHz (e.g, mypassword_2G and mypassword_5G).
• 📶 Select channels manually: for 2.4 GHz — 1, 6 or 11 (least loaded, for the 5 GHz — 36-48 or 149-165 (if supported).
• 🛡️ Turn on WPA2-PSK (or WPA3, If all devices support it).

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If the router is not connected to the Internet at the setup stage, try manually specifying the router. DNS-Google servers (8.8.8.8 and 8.8.4.4) in the Network section → Internet.

4. Advanced Settings: Optimization for Home and Office

The basic configuration allows you to go online, but to work with multiple devices in a stable way will require fine-tuning.

Set-up DHCP and reservation IP

The router defaults to distribute IP-addresses in the range 192.168.31.100-192.168.31.200 to avoid conflicts:

1. Go to the Local Network. → DHCP.
2. Set a range, for example, 192.168.31.100-192.168.31.199 (leaving room for static addresses).
3. For important devices (printer, NAS, cameras) reserve IP Reservation of addresses by linking them to MAC-address.

4.2 Traffic Priority (QoS)

If you are working at the same time IPTV, Online Games and Torrents, Enable QoS (More) → QoS):

• 🎮 For gamers: Set maximum priority for ports UDP 3074 (Xbox), TCP/UDP 27000–27030 (Steam).
• 📺 For IPTV: Prioritize multicast traffic (port) IGMP).
• 📥 For downloads: limit torrents to 70% of the channel so as not to block other devices.

4.3 Guest network and parental controls

To share access for guests and children:

1. Create a guest network in Wi-Fi → Guest network, limiting speed to 50 Mbit / s.
2. Enable Parental Control (Additional) → Parental controls and add children's devices MAC-address.
3. Set an access schedule (for example, from 18:00 to 22:00 on weekdays) and block social networks by keywords (vk.com, tiktok).

5.Tune in. IPTV Smart TV

Xiaomi Router 4A Gigabit supports IGMP Proxy and Multicast, which are critical to the job IPTV from providers like Rostelecom or MTS. Without the right setup, channels may slow down or not open at all.

Instructions for IPTV:

1. Connect the console or Smart TV Cable router (Wi-Fi is not recommended for the IPTV!). Use the port. LAN1 — It is a priority for multicast traffic.
2. Go to the Network → IPTV and select mode: 📡 IGMP Proxy – for most providers (Rostelecom, Beeline). 🔄 Bridge – if the provider requires a “transparent bridge” (relevant for some regional operators).

VLAN ID

rostelecoma

450

100

Save the settings and restart the router.

If the channels are not working:

• Check that the cable is connected to LAN1.
• Turn off QoS, it can conflict with multicast.
• Manually write it. DNS from the provider (for example, for Rostelecom: 46.36.218.198 and 193.107.102.10).

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For stable IPTV Turn off energy saving at the port LAN1: Go to Additional. → Power management and disable the Green Ethernet option for the first port.

6. Update firmware and reset settings

Xiaomi regularly releases updates to the 4A Gigas that fix vulnerabilities and add features (e.g. WireGuard support) VPN In the firmware of 2026, to update:

1. Go to General → Update firmware.
2. Click Check Updates. If a new version is available, download it.
3. Wait for the reboot (about 3 minutes). Do not turn off the power during the process!

If the router starts to glitches (for example, breaks the connection or does not save the settings), perform a hard reset:

1. Press and hold the button. RESET (on the back panel) 10-15 seconds before the indicator flashes.
2. Wait 2 minutes – the router will return to factory settings.
3. Connect to the network. Xiaomi_XXXX and reset from scratch.

⚠️ Note: After all reservations are dropped IP, QoS rules and settings IPTV If you've configured Port Forwarding for cameras or servers, write down the rules in advance!

For manual firmware (if the automatic update does not work):

1. Download the firmware file (.bin) from the official Xiaomi website (Mi Router support section) 4A Gigabit).
2. Go to General. → Firmware update → Manual loading.
3. Select the downloaded file and wait until it is completed (the router will reboot automatically).

7. Solving common problems

Even after the right setup, Xiaomi users 4A Giga faces typical problems. Let's look at the most common ones:

If the router does not respond to 192.168.31.1:

• Check that the device is connected to the router (via Wi-Fi or cable).
• Reset your browser cache or try another one (like Firefox instead of Chrome).
• Make sure that IP-range-end 192.168.31.x (Check in ipconfig on Windows).

8 Hidden functions and life hacks

Xiaomi Router firmware 4A Giga hides a few useful options that aren’t dokumented in the official guide:

• 🔗 DNS-over-HTTPS (DoH): Go to the Web → Internet, turn on Customized DNS and point out https://1.1.1.1/dns-query (Cloudflare or https://dns.google/dns-query. This will protect your requests from interception.
• 🔄 Mesh Mode: If You Have Multiple Xiaomi Routers, Activate OneMesh in Wi-Fi → Mesh Mode: This will allow devices to automatically switch between access points.
• 📊 Traffic monitoring: in addition → Utilities. → Traffic can be seen which devices consume the most data (useful for identifying torrent boxes").
• 🔌 USB-modem as a reserve: connect 4G-modem USB-router port (firmware required) 2.28+). Set up a backup connection to the network → 3G/4G.

For experienced users:

• 🛠️ SSH-Access: activated via additional → Developer → SSH. Allows you to install third-party packages (e.g. AdGuard Home for blocking ads).
• 🔄 Alternative firmware: the router supports OpenWRT, but the installation requires unlocking the bootloader (risk of "bricking").

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To speed up downloading files over Wi-Fi, turn Jumbo Frames on the Network → Local area network (install) MTU=This will increase the speed of transfer between devices on the local network by 10-15%.

FAQ: Answers to Frequent Questions