Xiaomi’s smart home devices have long proven to be affordable and reliable solutions for creating a full-fledged ecosystem. One of the most popular gadgets is a WiFi signal amplifier that eliminates dead zones in your apartment or house. If you are faced with the fact that the router does not break through walls or the signal in the back room barely catches, this compact device will be the perfect way out of the situation.
The Mi WiFi Amplifier Pro differs from its predecessors by having two antennas, which provides more stable connection and support for the 802.11n standard. The initial setup process can seem confusing for beginners, especially if you do not know about the specifics of the Mi Home application. In this material, we will analyze each step in detail so that you can quickly get a stable Internet anywhere in your home.
It's worth noting that the device doesn't work autonomously, but as a primary signal repeater, which means that the quality of the Internet at the extended access point will depend on the quality of the signal the repeater receives from the main router, so the correct location of the gadget plays a critical role in the final speed.
Characteristics and features of the Pro model
Visually, the Xiaomi Mi WiFi Amplifier Pro is a compact white unit with two retractable antennas. Unlike the first version with a single antenna, the Pro modification provides better reception sensitivity and a wider directional chart. Inside the case, a chipset that supports 2.4 GHz frequency, which is the standard for most household smart home devices, hides.
One key feature is Roaming technology, which allows mobile devices to automatically switch between the main router and the amplifier without breaking the connection when moving around the apartment, but for this feature to work properly, it is necessary that the main router also supports fast-switching standards, although in most cases the system works stably with conventional equipment.
- 📡 Two external antennas with gain of 3 dBi each.
- ⚡ Support for data transfer speeds up to 300 Mbps.
- 📱 Manage exclusively through the Mi Home mobile app.
- 🔌 Power via Micro-USB port (cable included).
It's important to understand that the device doesn't create the Internet out of nothing. It just broadcasts the signal further. If you plug a repeater in a room where the phone barely catches the network, the amplified signal will be low. The optimal strategy is to find the middle ground between the router and the problem area.
⚠️ Note: The amplifier only works in the 2.4 GHz band. If your main router distributes a 5 GHz network, the repeater will not be able to connect to it directly, it needs a 2.4 GHz network.
The compactness of the case allows you to place the gadget in any outlets without blocking the neighboring ones. However, if the outlet is deep in the niche or behind the furniture, this can shield the signal, in such cases it is better to use an extension cord or a carrier to bring the device out into the open space.
Preparation for installation and resetting of settings
Before you start setting up through your smartphone, you need to physically prepare the device. The factory firmware may contain old configurations, especially if the device was previously in use or was in stock for a long time. So the first step should always be to reset to factory settings.
To perform the reset, find a small hole on the case marked as Reset. Take a paper clip or toothpick, insert it into the hole and hold the button for about 5-10 seconds until the indicator flashes orange. Then release the button and wait until the indicator flashes blue - this is a signal of readiness for pairing.
☑️ Ready to set up
Make sure your smartphone is connected to the WiFi network you plan to strengthen. At this point, it is critical that the smartphone and the repeater are on the same subnet, otherwise the app will not be able to transmit settings. Also check that the phone has geolocation rights enabled - without them, Android will not allow the application to scan the surrounding networks.
If the light is blue and doesn't flash, it means the device is already configured or in standby mode, in which case the reset is mandatory. Don't ignore this step, as trying to connect an already configured device to a new network often leads to errors and the process freezes.
Installation and configuration through the Mi Home app
The main management tool is the Mi Home app (formerly MIJIA). Download it from Google Play or the App Store. First run, you need to register a Xiaomi account or log in to an existing one. Pay attention to the region: the application settings must select the region corresponding to your account, although for most devices the global version works correctly.
After authorization, click the add-on button (usually the + sign in the corner). The app will automatically start scanning. If the Mi WiFi Amplifier Pro is in pairing mode (blind light flashes), it will appear in the list of found devices. Click on the amplifier icon to start setting up.
- 📲 Select your main WiFi network from the list.
- 🔑 Enter the password from the main network (the password from the repeater by default is missing or coincides with the main one).
- 📍 Specify the room where the device will stand (for ease of control).
- ✅ Wait until the process is complete, the indicator will turn green. During the setup process, the application may suggest updating the device's firmware. Software updates are an important procedure, as new versions of firmware improve connection stability and compatibility with routers from different manufacturers. Do not interrupt the upgrade process and keep the phone next to the repeater. What to do if the application does not see the device? 2.4 GHz, not 5 GHz. Try temporarily shutting down mobile internet (3G/4G) Also check if the antiviros block Mi Home access to the local network.> Once successfully connected, the light on the housing will turn green, which means that the repeater is successfully relaying the signal. Now you can disconnect the phone from the amplifier network and check the signal level in the far corners of the apartment. Connection problems and region selection One of the most common problems is a connection error at 99% or a message saying "Disconnected to the device" often due to a mismatch between the region in the application and the region on which the device is "sharpened". Global versions of repeaters may require you to select the "China" or "Singapore" region in the app settings, even if you are in Europe. If the standard procedure doesn't work, try manually adding the device to the app. QR-The code or serial number that is listed on the bottom of the case sticker, sometimes helps by temporarily switching the region in the app to China, adding the device, and then returning to your main region. Symptoms Possible cause Decision Indicator flashes red Incorrect password from WiFi Enter correct password from main network Indicator flashes yellow Weak signal from router Move repeater closer to signal source Device is not geolocation Disabled GPS Allow access to the application Error 99% Conflict IP Change region to Mi Home or restart router Also check the settings of the router. MAC-Addresses, the new gadget will not be able to connect until you add it MAC-The address can be found on the device sticker or in the app if it has partially undone. Optimal placement for maximum coverage Many users make the mistake of installing the repeater directly in the room where the signal is bad. This is logically wrong: the device needs to get a quality signal from somewhere to relay. The right place is somewhere in the middle between the router and the dead signal zone. Use the signal check function in the Mi Home app. When moving the repeater around the apartment, watch the indicator of the signal level in the application. 2-3 division (yellow or green), but not the full signal, because at the point of the full signal, the repeater can create interference. The height of the setup also matters. Since the signal travels conically down and to the sides, it is better to place the repeater at the height. 1.5–2 Don't hide it behind curtains or in closed bedside niches if you want to get the speed you're saying. Additional settings and modes In the extended settings of the Mi Home app, you can hide useful features. For example, you can set up a WiFi schedule, which is useful if you want to have the nursery or bedroom shut down automatically at night, limiting children's access to the Internet. SSID", It's a system that makes the network invisible to scanners, but you can still connect to it with your name and password. It can be interesting for advanced users to set up the transmitter power, although in standard firmware it is often limited to automation. 🌙 Sleep mode: turn off the indicator at night. 👨👩👧👦 Guest Access: Creating a Separate Network for Visitors. 🔄 Auto Update: Background loading of new software versions. 📊 Statistics: Viewing Connected Devices and Traffic. ⚠️ Attention: Change of network name (SSID) repeater on a router other than the main one will disable the seamless roaming function. Devices will perceive this as two different networks and will not switch automatically. Regularly check the list of connected customers. If you notice a stranger, immediately change the password on the main router. The amplifier broadcasts the same protection as the main source, so the security of the entire network depends on the reliability of your password (FAQ) Can you use Xiaomi Amplifier Pro with other brands of routers (TP-Link, Asus, D-Link)? Yes, the device is versatile and works with any router that distributes WiFi. 2.4 GHz. However, the initial setup will still require the Mi Home app and Xiaomi account. Does the repeater slow down the Internet speed? Yes, any wireless network expansion inevitably slows down, usually by a small amount of time. 30-50%, The channel is divided into reception and transmission. However, a stable connection with a lower speed is better than no signal at all. Does the device support 5 GHz? No, the Mi WiFi Amplifier Pro model works exclusively in the 2.4 GHz range. For 5 GHz networks, there are other, more expensive models of amplifiers. What to do if the indicator is lit yellow? Yellow means that the device is connected to the network, but the signal from the main router is too weak. It is recommended to move the amp closer to the router. Should I configure the repeater again when you change the password on the router? Yes, if you reset the application on the network, or go through the switch to the router.