Smartphones of the series Huawei P40 Lite While often used as powerful multimedia devices, their functionality allows them to be transformed into a fully-fledged mobile router. This feature is indispensable when traveling, on business trips, or when there's no wired internet at home. Enabling modem mode ensures a stable connection for laptops, tablets, and other phones using your carrier's 4G or 5G network.
The process of activating traffic distribution in the shell EMUI or HarmonyOS While the implementation is fairly intuitive, users often encounter nuances in setting up security and frequency bands. Properly configuring the settings not only ensures network access but also protects the device from unauthorized connections. It's important to understand that emitting data consumes your data plan, so connection control is a priority.
In this article, we'll walk you through every setup step, from simply enabling the feature to advanced frequency band settings. You'll learn how to change the network name, set a secure access key, and limit the number of connected devices. Properly managing these settings will ensure high speed and efficient use of your smartphone's battery.
Basic hotspot activation via the notification shade
The fastest way to activate tethering is to use the quick access panel. To do this, swipe down from the top of the screen to open the notification shade. If the desired icon isn't in the first row, swipe right or tap the edit button to add the "Tethering" widget.
After tapping the corresponding icon, the smartphone immediately begins broadcasting the wireless network. By default, the device name and default password are used, which can be found in the settings. This method is ideal for situations when you need internet access urgently and don't have time to delve into menus.
- 📱 Swipe down from the top of the screen to open the Control Center.
- 📡 Find and tap the "Access Point" icon (usually looks like an antenna or two connected dots).
- 🔒 Make sure the indicator light is blue or white, indicating that the mode is active.
⚠️ Attention: When you turn it on from the home screen, the last saved settings may be applied. If you previously changed the password or network name, the new network will have the same name as the last time you configured it.
It's worth noting that quick activation doesn't always immediately show how many devices are already connected. For detailed monitoring, you'll still need to access the full system settings menu. This is especially important if you suspect someone has connected to your network without permission.
Setting up network settings in the smartphone menu
For deep configuration, you need to go to the section Settings and select "Mobile Network." This is where all the key switches responsible for operation are located. Wi-Fi module in data transfer mode. The interface may differ slightly depending on the firmware version, but the logic remains the same.
The "Wi-Fi Hotspot" menu hides key security settings. Here, you can change the SSID (network name) to whatever works best for you, making it easy to find your phone among available connections at a cafe or office. You can also set the encryption type here, which defaults to WPA2 PSK—it's the optimal balance between compatibility and data protection.
☑️ Check security settings
Particular attention should be paid to the password field. System Huawei P40 Lite requires the access key to contain at least 8 characters. Using simple combinations like "12345678" is highly discouraged, as modern password-guessing algorithms can crack them in minutes.
- 🔐 The password must contain uppercase and lowercase letters and numbers for maximum security.
- 📶 It is better to make the network name (SSID) unique to avoid confusion with neighboring access points.
- ⏱️ This menu also includes a timer function that turns off the access point when there are no connections.
⚠️ Attention: Changing network settings (name or password) will terminate all current connections. Devices will need to re-enter the new credentials for authorization.
Remember that complex passwords are hard to remember but easy to lose. If you set a complex password, it's a good idea to immediately save it in a safe place or take a photo of the QR code, if that option is available in your interface.
Selectable frequency range: 2.4 GHz or 5 GHz
One of the important technical features of modern smartphones, including Huawei P40 Lite, is dual-band support. The "Use 5 GHz band" switch is located directly in the access point's settings menu. Selecting the correct band directly impacts data transfer speed and coverage range.
The 2.4 GHz band is more common and compatible. It provides good coverage and the ability to bypass obstacles like walls. However, in apartment buildings, this band is often overcrowded, which can lead to slower speeds and unstable connections.
| Characteristic | 2.4 GHz band | 5 GHz band |
|---|---|---|
| Transfer speed | Average, up to 150 Mbps | High, up to 800+ Mbps |
| Range | Big, breaks through walls | Smaller, sensitive to obstacles |
| Workload | High (many neighboring networks) | Low (free channels) |
| Compatibility | Works with all devices | Requires 5 GHz client support |
If you're in an area with a lot of wireless networks, switching to 5 GHz can significantly improve your connection. However, keep in mind that older laptops or budget tablets may simply not see your network if they don't support this standard. In this case, you'll have to revert to 2.4 GHz.
Managing connected devices and limits
You can control who's using your data plan through the "Manage Devices" section. This list displays all the devices currently using your internet connection. Huawei P40 LiteYou can see the device name and its MAC address, which helps identify suspicious connections.
The system allows you to manually block access for any connected client. Simply click on the device name and select "Block." This action immediately terminates the connection, making it impossible for anyone to reconnect without your permission. This is an effective method for combating "freeloaders."
- 🚫 Blocking an unknown device is done with one tap in the client list.
- 👥 You can set a limit on the number of connected devices (usually up to 8-10).
- 📊 Some software versions provide traffic consumption statistics for each client.
Limiting the number of connections is a useful feature for maintaining speed. If a dozen devices connect to your hotspot, the internet speed on each one will drop to a minimum, and the smartphone itself may start to heat up significantly. Setting a reasonable limit, for example, 3-4 devices, will help maintain performance.
⚠️ Attention: The "Whitelist" feature (allow only selected connections) may be missing or hidden in some EMUI versions. In this case, use a strong password and regularly check your connection list.
Regularly checking the list of connected devices should become a habit, especially if you share internet in public places. Even a short period of time can be enough for someone else's device to automatically connect if it was previously saved in memory.
Energy saving and connection stability
Hotspot mode is one of the most power-consuming modes for a smartphone. Communication module operates in a mode of constant data transmission and reception, which leads to rapid battery drain. Huawei P40 Lite It is equipped with a fairly capacious battery, but under active load it can run out in a few hours.
To extend the battery life, we recommend using the "Hotspot Timer" feature. It automatically turns off Wi-Fi if no one is connected to the network for a set period of time (e.g., 10 minutes). This prevents you from forgetting to turn off the modem and leaving the battery drained.
It's also worth considering how hot the case gets. When using the 4G/5G modem for extended periods, the phone may become noticeably warm. It's recommended to remove any case that's thick and doesn't dissipate heat well, and avoid placing the device on soft surfaces that block ventilation openings (if any) or create thermal insulation.
- 🔋 Turn off your smartphone's screen while sharing to reduce power consumption.
- ❄️ Avoid exposing the device to direct sunlight while operating.
- 📉 Lowering your screen brightness also helps reduce the overall load on your system.
Connection stability may be affected by incoming calls if VoLTE isn't enabled. In this case, the network may switch to 3G or 2G during a call, resulting in disconnects on connected devices. Check your mobile network settings and ensure data usage is allowed during a call.
Solving common connection problems
Sometimes users encounter a situation where the hotspot is enabled, but other devices can't connect or don't see the network. First, check whether mobile data is enabled on the smartphone itself. Without a working data connection, Wi-Fi sharing is impossible, even if the slider is enabled.
Another common cause of problems is an overflowing list of connected devices or a network service failure. In this case, a simple restart of the communication module can help: turn on "Airplane Mode" for 5-10 seconds, then turn it off. This will reboot the system's network stack.
Problems can also be caused by your carrier's settings. Some data plans prohibit using your smartphone as a modem or require an additional service. If you're sure of your phone's settings, but the internet isn't working, it's worth calling your carrier's support team.
- 🔄 Resetting network settings to factory defaults often resolves software conflicts.
- 📡 Check your cellular network signal strength: in areas with poor reception, the data connection will be unstable.
- 🆔 Make sure the network name does not contain special characters that may not display correctly on older devices.
⚠️ Attention: The settings interface and menu item names may differ slightly depending on the version of the EMUI or HarmonyOS operating system installed on your device. Huawei P40 LiteIf you can't find the item, use the settings search.
In conclusion, it's worth noting that properly setting up a hotspot turns your smartphone into a versatile tool for working anywhere in the world. Adhering to security rules and monitoring connections will allow you to use the mobile internet comfortably and safely.
Why don't connected devices have internet access even though Wi-Fi is working?
Most likely on the smartphone itself Huawei P40 Lite Mobile data isn't enabled or your data plan has run out. There may also be a problem with your APN (access point name) settings, which you should check with your service provider.
Is it possible to share Wi-Fi if your smartphone is connected to another Wi-Fi network?
On most modern Android smartphones, including Huawei, this feature is called "Wi-Fi Relay" or "Wi-Fi Bridge." It allows you to receive a Wi-Fi signal and broadcast it further, but this option is not available on all models and software versions.
How to find the MAC address of your Huawei P40 Lite for filtering?
The MAC address can be found in the section Settings → About the phone → StatusIt will display the Wi-Fi MAC address, which is needed to configure whitelists on other routers or devices.
Does your phone get very hot when constantly sharing internet?
Yes, this is normal. The communication module is operating under high load. It is recommended to remove the case and leave the device uncovered to avoid overheating and throttling (reduced performance).