The modern smartphone has long ceased to be just a means of communication, turning into a full-fledged mobile office and entertainment center. Xiaomi Redmi Note 9 model perfectly copes with the role of a router, allowing you to provide stable access to the network laptop, tablet or devices of friends. Built-in Wi-Fi module supports current standards, and the MIUI shell provides advanced capabilities for traffic management and connection security.
The process of activating modem modem on Xiaomi devices is as simple as possible for the end user, but hides a number of useful settings. You can not only turn on the access point, but also limit the number of connected devices, set a complex password or even hide the network from prying eyes. Understanding these nuances will allow you to effectively use mobile Internet in any situation.
In this guide, we will take a detailed look at all the steps of settings, from basic activation through the notification curtain to fine configuration through the systemβs engineering menu, and learn how to extend battery life when the access point is active and what parameters should be changed to ensure maximum data transfer speed.
Quick activation of the access point through the curtain
The most obvious and quickest way to start distributing the Internet is to use the control panel. Swipe top-down on the screen twice to deploy all the available switches. Find the Access Point icon (usually looks like two connected circles or radar) and tap it. If the icon is blue, then the function is activated and ready to go.
However, just by turning on the switch, you leave the network open or use a standard password, which is not secure. For the initial setup, you better go to the settings menu. Press and hold your finger on the access point icon itself in the curtain, which will automatically take you to the appropriate settings section of the MIUI system.
Here you will see the network name that the default model of your device contains, for example, Redmi Note 9. The standard password is generated randomly at the first activation and displayed immediately under the network name.
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Use a password generator to create a complex character combination, as standard 8-digit codes are often picked up by automatic utilities in minutes.
Detailed settings of Wi-Fi in MIUI
For a deep configuration, go to the main settings menu and select Wi-Fi Access Point. This is where all the controls on your virtual router are concentrated. Xiaomiβs shell interface allows you to flexibly adjust security and performance settings without the need to install third-party apps.
In the "Setting up the hotspot" section, you can change the SSID to any word you like, which is especially useful if you give out the Internet frequently in public places and want your device to be easily identified among a dozen other signals. Also, the type of encryption changes here: leave WPA2 PSK, as it is the most compatible and secure protocol at the moment.
The frequency range is also worth adjusting. There are two options available in the AP Range Selection menu: 2.4 GHz and 5.0 GHz. The first provides greater range and better wall penetration, but has a limited speed. The second (5 GHz) range offers a significantly higher data rate, but the signal radius will be smaller, and older devices may not see it.
Managing Connected Devices and Limits
One of the key features that distinguish modern Xiaomi smartphones from simple button phones is the ability to control connections in real time. The hotspot menu has a "Connected Devices" section that shows you a list of all the gadgets that are using your Internet right now, MAC-address and amount of data transmitted.
If you see an unknown device on the list, you can lock it instantly. Just click on the intruder's name and select "Block" option. MAC-The address will be completely closed even if the password remains correct, and this is an effective way to combat parasites that can sabotage your speed.
It also allows you to set a traffic limit. Go to the settings and find Traffic Limit, where you can set the amount of data that the access point will automatically shut down after reaching it, which is critical for limited-package gigabyte rates to avoid unexpected charge-offs or operator-side speeds.
βοΈ Network security check
Advanced settings: hidden network and timeout
Advanced settings, accessible through a three-dot menu in the corner of the screen, hide features for power users. The Hidden Network function stops broadcasting your SSID name on the air. To connect to such a network, other users will have to manually enter not only the password, but also the exact network name. This adds a level of privacy, although it is not a panacea for professional hackers.
Another useful option is the βTime Out hotspotβ option, which allows you to set up automatic modem shutdown if no one is connected to the network within a given time (for example, 10 or 30 minutes) or the connected devices are not active, which helps to save battery power, which is used very intensively when actively distributed.
β οΈ Note: When you turn on the hidden mode of the network, make sure you remember the exact name (SSID), Otherwise, you will have to reset the access point settings to see it again in the phone menu.
You can also find the Allow File Transfer switch here, which, if activated, will allow connected users to see your phone in a network environment and, if they have the right to access shared folders, and for public distribution of the Internet, it is best to keep this feature off to avoid leaking personal photos or documents.
Distribution of Internet via USB and Bluetooth
It's not always convenient to use a wireless connection, especially if stability is important or you want to minimize the power consumption of your smartphone. USB-Connect your Redmi Note 9 cable to your computer, go to the access point settings and activate the switch Β«USB-The system will automatically install the required drivers, and the PC will see a new network connection.
The advantage of wired connections is that the phone charges from the computer at the same time, compensating for the energy costs of data transfer, and the connection speed in this case is limited only by mobile Internet speed and bandwidth. USB-It is always more stable and has less ping, which is important for online games or video calls.
The third option is a Bluetooth modem, which provides the lowest data rate of any method, but consumes the minimum amount of power, and you can activate it in the same menu by turning on the corresponding switch, and you need to pair the devices through Bluetooth settings before connecting.
| Parameter | Wi-Fi Access Point | USB-modem | Bluetooth modem |
|---|---|---|---|
| Speed. | High (up to 150 Mbps) | Very tall (stable) | Low (up to 2-3 Mbps) |
| Battery consumption | Very tall. | Low (charging in) | Medium. |
| Number of devices | Up to 10 devices | 1 device (PC) | 1-2 |
| Stability | Depends on the interference. | Maximum | Medium |
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Always choose to work on a laptop with important data USB-modem: this ensures no communication breaks and keeps the phone charged.
Optimization and Solution (FAQ)
Sometimes users are faced with a situation where the access point is turned on, but the Internet on the connected devices does not work. APN (access points) of your mobile operator. Go to Settings β SIM-maps and mobile networks β Access points (APN) And make sure that you have your operator's active point selected, and sometimes resetting your settings helps. APN factory-to-factory.
Another reason could be that the smartphone is overheated. When you're actively distributing Wi-Fi, the Redmi Note 9 processor and radio are under high load. If the device gets hot, the system can artificially limit the speed or shut down the communication module completely to protect the components. Remove the case and put the phone on a hard surface for better heat sink.
β οΈ Warning: If you are giving away the Internet for a long time, do not cover the phone with a cloth or pillow - this can lead to critical overheating and battery damage.
Also check if the carrier has run out of daily traffic limits, and some tariffs involve speed limits or tethering after using a certain amount of data, in which case no phone settings will help until you update your plan or wait for a new billing period.