Modern smartphones have long since ceased to be mere calling devices, becoming full-fledged mobile hubs capable of providing internet access to a whole host of devices. Xiaomi device owners often need to quickly share mobile data with a laptop or tablet, and the Redmi Note 8T is no exception. Equipped with a reliable processor and modern communication modules, this device perfectly serves as a portable router.
The process of activating the modem mode in the MIUI shell, on which it is based Redmi Note 8T, is extremely user-friendly, but contains a number of hidden settings. Understanding these nuances allows you to not only share your internet connection in seconds but also secure your network from unauthorized connections. Below, we'll walk you through all the setup steps in detail, so you can effectively use your smartphone's capabilities.
Preparing the device and checking network settings
Before you start active Wi-Fi distribution, you need to ensure that the basic mobile network parameters are correct. Your smartphone must be able to reliably receive a signal from your carrier, as the internet speed on connected devices will directly depend on the reception quality. Redmi Note 8TIf the connection indicator shows EDGE or 3G, you shouldn't expect high performance, so it's best to move to an area with more stable coverage.
It's important to check your mobile operator balance and available data in advance, especially if you're using a limited-gigabyte plan. Uncontrolled data sharing can quickly exhaust your limit, as background processes on your connected laptop may start downloading updates.
It's also worth paying attention to the battery charge, as hotspot mode is a power-consuming process. Redmi Note 8T The 4000 mAh battery is a good value, but active Wi-Fi data transfers significantly accelerate the battery drain. It's recommended to keep the device connected to a charger or have a power bank on hand if you plan on long work sessions.
⚠️ Note: MIUI interfaces may vary slightly depending on the Android version and regional firmware. If you don't see this option, check for system updates in Settings or refer to the official Xiaomi documentation to ensure the menu is up-to-date.
Activating the hotspot via the settings menu
The most reliable and functional way to launch tethering mode is to use the full operating system settings menu. This method allows you to access all hidden options that are not available with quick startup. First, you need to unlock your device's screen. Redmi Note 8T and find the "Settings" icon, usually located on the home screen or in the notification shade.
In the menu that opens, scroll down to the "Connection and Sharing" or "Wi-Fi Hotspot" section. The names may vary depending on your locale, but the idea is the same: search for network connection management. Within this section, you'll find a "Wi-Fi Hotspot" toggle switch, which you should activate by sliding the slider to the right.
Once enabled, the system will automatically create a wireless network, the default name of which often contains the device model, for example, Redmi Note 8T_1234.
To change the network name and set a security password, click on the name of the active hotspot or select "Access point settings." Here you can set your own SSID (network name) to easily find it among available connections, and set a strong password using WPA2 PSK encryption. This is a security standard that ensures that data is transmitted encrypted.
☑️ Check before starting distribution
Quick launch via notification shade
For those who need to distribute the Internet "here and now", the developers Xiaomi We've added a convenient widget to the control panel. This method is ideal when you don't have time to delve into deep menus and need an instant connection. To use this feature, simply swipe down from the top of the screen to open the control center.
Depending on your theme, you may need to swipe again or tap the edit button to see the full set of icons. Among them, look for the "Access Point" or "Hotspot" icon. A short press on the icon instantly activates tethering mode with the last saved settings.
If the icon is highlighted, it means Wi-Fi distribution is active, and other devices can already see your network. A long press on the same icon often takes the user directly to the settings menu, which is a convenient hybrid solution. This approach saves time and allows you to monitor the connection status without unnecessary menu navigation.
Setting up security and restricting connections
The security of your personal network is a priority, especially when you're in public places. Open hotspot on Redmi Note 8T It can become a backdoor for hackers or simply a place for neighbors to hog your traffic. Therefore, setting a strong password is a necessary step that can't be ignored.
In the access point settings menu, find the "Password" field and enter a combination of letters and numbers that is at least 8 characters long.
In addition to the password, MIUI offers a "Whitelist" feature, or connection limit. You can strictly limit the number of devices that can simultaneously connect to your smartphone. For example, if you share your internet connection only with your laptop, set the limit to one device, which will prevent any other devices from connecting, even if they know the password.
| Setting parameter | Recommended value | Impact on work |
|---|---|---|
| Frequency range | 2.4 GHz (compatibility) / 5 GHz (speed) | 5 GHz is faster but has a shorter range. |
| Encryption type | WPA2 PSK | Provides basic data protection |
| Device limit | 1-3 devices | Saves battery and traffic |
| Time-out | 10 minutes without connections | Automatically turns off Wi-Fi to save power |
⚠️ Note: Using the 5 GHz band provides high data transfer speeds, but older devices may not see your network. If your laptop or tablet can't find the access point, switch to the 2.4 GHz band.
Alternative distribution methods: USB and Bluetooth
While Wi-Fi is the most popular method, there are situations where wireless communication is undesirable or impossible. Redmi Note 8T Supports internet transfer via USB cable, providing a more stable connection while simultaneously charging the device. This option is often used for desktop PCs without a Wi-Fi module.
To activate USB modem, connect your smartphone to your computer using a cable, then toggle the "USB modem" switch in the "Wi-Fi Hotspot" menu. The computer will recognize your phone as a network device, and internet access will be available automatically. This method eliminates speed loss due to radio interference and ensures minimal ping, which is essential for online gaming or video calls.
Bluetooth modem is another option that uses less power than Wi-Fi but offers significantly lower speeds. It's suitable for transferring small amounts of data or working with text documents when maximum battery life is essential. smartphoneHowever, this method will not be effective for watching videos or downloading files.
Why is a USB modem better for a PC?
Using a USB cable not only stabilizes the connection by eliminating radio interference, but also allows data transfer at speeds close to wired Ethernet, which is critical for heavy-duty tasks.
Solutions to common problems and errors
Even on such a reliable device as Redmi Note 8T, access point malfunctions may occur. One common issue is when devices see the network but are unable to connect, displaying the error "Failed to obtain an IP address." In this case, rebooting the Wi-Fi module can help: turn the access point off and then back on in the settings.
If the problem persists, try changing the frequency range in the access point settings from 5 GHz to 2.4 GHz or vice versa.
Another common situation is that the connected device has internet access, but pages won't load. This could indicate issues with the operator's DNS servers or blocking data distribution by the provider itself. Some data plans prohibit using a smartphone as a router, and the provider blocks such connections. In this case, a change may be necessary. TTL (Time To Live), although this requires more technical knowledge and superuser rights.
⚠️ Please note: Some mobile operators may block or limit speeds when tethering is detected. Check your plan terms to avoid unexpected charges or restrictions.
Optimizing power consumption when the modem is running
Sharing Wi-Fi is a resource-intensive process that puts a strain on the processor and radio module. Redmi Note 8TTo minimize heat and extend battery life, it's recommended to reduce screen brightness or turn off the display completely after activating the hotspot. The screen is one of the largest energy consumers, and there's no point in wasting it while the modem is on.
You can also set an automatic shutdown timer in the hotspot settings. For example, if no one connects to the network for 10 or 15 minutes, the smartphone will automatically turn off the Wi-Fi module. This is a useful feature that prevents you from forgetting to turn off the hotspot and finding your battery dead by evening.
Using power saving mode can also limit background app activity, which will positively impact your tethering time.
For long sessions when the phone acts as a desktop router, you can use the "Keep screen on" feature in developer mode, but only when connected to an external power source. However, under normal circumstances, it's better to rely on MIUI's standard power-saving mechanisms.
The effect of temperature on speed
When your smartphone gets too hot, its processor may throttle, which can lead to a drop in internet speed. Remove any protective case, if it's thick, and place your phone on a hard surface for better cooling.
Why doesn't my laptop detect the Redmi Note 8T hotspot?
Most often, the problem stems from incompatible frequency bands. If your phone uses the 5 GHz Wi-Fi band, but your laptop's network card only supports 2.4 GHz, the devices won't find each other. Switch the band in your access point settings.
Is it possible to share Wi-Fi if your phone doesn't have a SIM card?
No, you need an active SIM card with a data plan to use mobile data tethering. However, if your phone is connected to a Wi-Fi network, some versions of Android allow you to rebroadcast this signal, but on the Redmi Note 8T, this feature is often blocked by the manufacturer.
How do I find out who is connected to my network?
The MIUI hotspot management menu usually displays a list of connected devices. You can see the device's name and MAC address there, and you can block access for a specific user if needed.
Does Wi-Fi hotspot reduce battery life?
Intense heat and deep discharge cycles do impact battery life. However, with moderate use and avoiding overheating, critical damage to the device will not occur.