When a laptop lacks internet access and the wired Ethernet connection is not connected, it often requires using a smartphone as a modem. For owners Redmi Note 7 This problem is solved by built-in shell tools MIUI, which is based on the operating system AndroidCreating a personal hotspot allows you to instantly provide internet access to any device that supports wireless communication protocols.
In this guide, we'll detail the steps you need to quickly set up a local network. You'll learn the intricacies of setting up security to prevent unauthorized access to your traffic. We'll also discuss potential connection issues and how to effectively resolve them.
Using your smartphone as a router is a convenient and practical solution for working in a cafe, on the train, or at home during temporary internet outages with your primary provider. Connection stability In this case, the speed directly depends on the quality of the cellular network signal and the technical specifications of the gadget itself. Properly configured parameters will ensure maximum data transfer speed.
Checking the readiness of the device and SIM card
Before activating the hotspot feature, you need to ensure your device is fully ready to operate as a router. First, check that there's an active SIM card in the slot and that there's sufficient balance or a mobile data plan is active. Without an active internet connection, there's no way to stream anything on your phone.
Please pay attention to the battery level as the hotspot mode significantly increases energy consumption. Redmi Note 7 The device has a capacious battery, but it may drain faster than usual when actively transferring data. It is recommended to keep the device connected to a charger or have one nearby. Power Bank.
⚠️ Important: Make sure your SIM card isn't blocked by your carrier from using P2P protocols or data sharing. Some data plans may limit this feature or consider it a paid service.
It's also worth checking that your phone isn't in an aggressive power-saving mode, which can block background data transfers. For stable operation, it's best to switch to standard or performance power mode. This will ensure uninterrupted operation of the communication module.
☑️ Pre-launch check
Activating WiFi Hotspot on Redmi Note 7
The process of enabling modem mode in the shell MIUI It's extremely simplified and takes just a few seconds. To begin, unlock your smartphone's screen and pull down the notification shade. In the quick action menu that opens, find the icon labeled Access point or Wi-Fi (depending on the firmware version, the icons may have different names).
If the item you need isn't in the menu, go to the main settings menu. Find the section Additional functions or select the item directly Wi-Fi hotspotIn the window that opens, move the slider to the active position. The system will automatically begin broadcasting the signal.
Once activated, an icon will appear next to the time indicator, indicating that the distribution mode is in operation. Now your Redmi Note 7 visible to other devices as a wireless network. However, before connecting your laptop, it's critical to configure security settings.
Setting up a network name and security password
By default, the system suggests using the standard device name, which often looks like Redmi Note 7 or contains a string of numbers. To avoid confusion in the list of available networks, especially in crowded areas, it's best to create a unique name. This will also help identify your network among dozens of others.
In the access point settings menu, click on the field Network name (SSID) and enter the desired name. Use Latin letters, as some older devices may display Cyrillic characters incorrectly. Then proceed to setting up a password, selecting the encryption type. WPA2 PSK.
Create a complex password that includes mixed-case letters, numbers, and special characters. Simple combinations like 12345678 They can be hacked in seconds, allowing third parties to use your traffic. A strong password will protect your personal data from interception.
| Parameter | Recommended value | Description |
|---|---|---|
| SSID (Name) | Unique name | Easy to identify in the list |
| Security | WPA2-Personal | The most compatible and reliable standard |
| Range | 2.4 GHz | Better compatibility with laptops |
| Max users | 1-3 | Optimal for stable speed |
⚠️ Warning: Do not use an open network without a password. This will allow anyone nearby to connect to your internet and potentially access data transmitted over unencrypted channels.
Why is it better not to change the band to 5 GHz?
The 5 GHz band offers faster speeds, but has a shorter range and is less effective at penetrating walls. If the laptop is far from the phone, the connection may be unstable. For most scenarios, the 2.4 GHz band is the optimal choice.
Connecting a laptop to the created network
Once the access point is on Redmi Note 7 Once it's set up and running, you need to pair it with your laptop. The connection process is standard for any operating system, whether it's Windows, macOS or LinuxOpen the list of available wireless networks on your computer.
Find the network with the name you specified earlier in the list. Click on it and select the action. ConnectThe system will prompt you to enter a security key. Enter the password you set in your phone settings, making sure to be case-sensitive.
After successful authentication, the system will notify you of the connection. If the network status has changed to "Connected" or "Connected", then the process was successful. Now you can open the browser and check the operation.
Internet connection capability.
In some cases, your laptop may take a long time to find a network or may not detect one at all. Make sure your computer's WiFi is enabled and not in airplane mode. Also, check to see if the network name is hidden in your phone's settings (use the "Hide device" option).
Limiting the number of connected devices
shell MIUI Allows you to flexibly manage the list of clients connected to your access point. This is a useful feature if you want to ensure that no one else can access your internet, even if they know the password. Management is performed via the menu. Connected devices.
This section displays all devices currently using your data. You can see their MAC addresses and names. If you detect an unknown device, you can immediately block it by clicking the corresponding button. This will terminate the connection for the selected client.
In addition to manual control, you can set a limit on the number of simultaneous connections. For example, if you only work with one laptop, set the limit to one device. This will prevent your friends' or neighbors' smartphones from connecting, even if they try to enter the password.
Regularly checking your list of connected devices is a good security habit. It helps you control your data usage and maintain a high connection speed for your primary tasks.
Troubleshooting and speed optimization
Sometimes users encounter a situation when a laptop connects to the network Redmi Note 7, but the internet isn't working. This is often due to DNS settings or a temporary glitch in the communication module. Try turning airplane mode on and off on your phone to reboot the radio module.
Another common issue is low data transfer speed. This can be caused by a weak 4G/LTE signal indoors or an overheated smartphone. Try placing your phone closer to a window or in a location with better signal reception.
It's also worth checking whether your phone has a background data transfer limit for system processes. Make sure that data saving mode isn't enabled in your hotspot settings, as this could artificially reduce speed.
If the problem persists, try resetting your phone's network settings. This will reset all mobile and WiFi settings to factory defaults, which often resolves software conflicts. After the reset, you'll need to re-enter your access point settings.
⚠️ Note: The settings interface and menu item names may vary slightly depending on the MIUI and Android version. If you can't find the option, search for it in your phone's settings.
How to reset network settings on Redmi?
Go to Settings -> About phone -> Reset settings -> Reset Wi-Fi, mobile networks, and Bluetooth. Please note that this will delete all saved Wi-Fi passwords.
Frequently Asked Questions (FAQ)
Is it possible to share WiFi if the mobile Internet is enabled on the phone, but there is no SIM card?
No, to share internet via a WiFi hotspot, you must have an active SIM card with a mobile plan. Your phone acts as a gateway between the cellular network and your laptop. Without a SIM card, there's nothing to share.
Does the Redmi Note 7 get very hot when used in modem mode for a long time?
Yes, active data transfer and radio module operation cause the case to heat up. This is a normal physical phenomenon. However, if the temperature reaches a critical level, the system may automatically shut down the access point to protect its components. It is recommended to remove the case during extended use.
Does WiFi sharing affect the speed of mobile internet on the phone itself?
Yes, the bandwidth is shared between devices. If your laptop starts downloading large files, your phone's speed may also decrease, as they share the same connection to the base station.
Is it possible to hide my network name so that others can't see it?
Yes, in the access point settings Redmi Note 7 There's an option to "Hide device." In this case, the network won't appear in the general list, and you'll have to manually enter the network name (SSID) on your laptop to connect.