Internet is working, but Wi-Fi is not: what should Beltelecom subscribers do?

It's understandably frustrating when your ISP confirms the connection, the router's lights are flashing, but no device can connect to the wireless network. Users often find that a cabled LAN connection works perfectly, while wireless module The router simply stops transmitting a signal. This is a common problem in networks. ByFly, which can be caused by either a software failure of the equipment or an overload of the frequency range.

Before calling a technician or contacting tech support, it's worth performing a self-diagnosis, as in 80% of cases the problem can be resolved within 5 minutes. You'll need to check the physical condition of the antennas and ensure they're set up correctly. SSID and no MAC address filter blocking. In this article, we'll detail the steps to restore connection on ZTE, Huawei, and TP-Link routers, which are most commonly used by the operator.

If you have a modern dual-band model at home, make sure you're trying to connect to the correct frequency. Sometimes Wi-Fi 5 GHz It works stably while the 2.4 GHz band is affected by interference from neighboring routers. We'll cover all the details, including a factory reset, which is a last resort, but often the only solution for critical firmware errors.

Initial diagnostics and physical inspection of equipment

Start with a visual inspection and a basic power check. Make sure the WLAN or Wi-Fi indicator on the router is lit or blinking. If it's not active, the wireless module may be disabled by software or hardware. Many ZTE and Huawei models provided by Beltelecom have a physical button. WLAN/Wi-Fi on the back panel. A short press on it can force the network broadcast to start or stop.

⚠️ Attention: Don't confuse the reset button Reset with a Wi-Fi power button. Holding the button Reset more than 10 seconds will cause a complete reset of the router settings, after which you will have to re-enter the PPPoE login and password provided by your provider.

If the indicators are behaving strangely (for example, all of them are lit at once or flashing erratically), the device may not be receiving enough power. Try replacing the power supply with one with similar voltage and current, if possible. Unstable voltage is a common cause of this. LAN ports they work, and the radio communication module goes into protection.

It's also worth checking to see if the router is overheating. If the device is in a closed area or exposed to direct sunlight, it may automatically turn off power-hungry functions, including Wi-Fi. Allow the equipment to cool in a ventilated area. Overheating of the router's processor is a sign. hidden reason periodic disconnections of the wireless network, which is rarely mentioned in the instructions.

• 🔌 Check the tightness of the antenna connections (if they are removable) and the power cable.
• 🔥 Touch the router's body: if it's too hot, ensure adequate air flow.
• 🔄 Press the WLAN button on the case (if there is one) and wait 30 seconds.

Hard Reset Procedure

Simply turning the router off and on often doesn't help due to the accumulation of errors in the device's cache. For a complete reset, perform a so-called "cold reboot." Completely unplug the router's power supply from the outlet. Wait at least 60 seconds. This time is necessary for the capacitors to discharge and the device's RAM to clear.

While the router is off, it's recommended to disconnect the internet cable coming into the apartment from the ISP from the WAN port. Plug the router back in and wait for the system to fully boot (usually 1-2 minutes). The indicators should light up normally. Only then should you reconnect the ISP cable. This sequence allows the router to properly initialize the network interfaces without placing unnecessary strain on the network.

If after this procedure, the cable internet connection is restored, but Wi-Fi is still not available, the problem lies deeper in the software settings. Perhaps the wireless module configuration was disrupted by a power surge or a firmware update from the provider. In this case, you will need to access the web interface.

Accessing router settings and checking status

To access the settings, you'll need a computer connected to the router via a LAN cable, or a smartphone connected to the guest network (if available) or via a USB modem. Open a browser and enter the gateway address. For Beltelecom equipment, this is most often 192.168.1.1 or 192.168.0.1. The login and password for entering the settings are usually indicated on a sticker on the bottom of the device (often this is admin/admin or user/user).

After logging in, find the section responsible for the wireless network. It may be called WLAN, Wireless, Wi-Fi or Wireless networkFirst, check if the "Enable Wireless" box is checked. Sometimes, after a crash, this option is automatically unchecked.

Pay attention to the operating mode. If you have older devices, make sure you haven't selected "802.11n Only" or "802.11ac Only" if your devices don't support them. It's better to select Mixed Mode. 802.11 b/g/nAlso check if the network is hidden (Hide SSID). If this feature is enabled, devices won't see your network in the list of available networks until you manually enter the name.

• 📡 Make sure the "Enable Wireless" feature is activated.
• 📶 Check if the "Hide SSID" mode is enabled.
• 🔐 Make sure the encryption type is set to WPA2-PSK (most compatible).

Channel tuning and interference elimination

In apartment buildings, the airwaves are clogged with signals from neighboring routers. If your router is on the same channel as five other devices from your neighbors, collisions will occur, and Wi-Fi may drop out, even if the cable connection works fine. In your wireless network settings, find the setting Channel (Channel). By default, it's set to "Auto," but the automatic setting often doesn't work correctly.

It is recommended to manually select a channel. For the 2.4 GHz band, channels 1, 6, and 11 are usually the least crowded. Try switching to one of them and saving the settings. The router will reboot the wireless module, and the network should appear. The channel width should be set to 20 MHz for maximum stability in noisy conditions, although this will reduce the maximum speed.

Why is 5 GHz better in an apartment building?

The 5 GHz band has more non-overlapping channels and penetrates walls less effectively, so signals from neighboring routers are less likely to interfere with your device. If your Beltelecom router is dual-band, be sure to use the network with "5G" in its name.

If you're using the 5 GHz band, you have a wider choice of channels, but there's a caveat with DFS channels. Some devices may not see the network if it's running on a radar channel. Try locking it to a channel in the 36-48 or 149-161 range.

Table of problems and solutions for ByFly equipment

Below is a summary table to help you quickly identify the problem based on symptoms and router model. Please note that interfaces may vary depending on the firmware version.

It's important to understand that router software is constantly being updated. The interface may change, and some features may be moved. If you can't find the settings described, check the official documentation on the manufacturer's website or in your subscriber account.

Factory Reset

If none of the above methods help, there's a radical but effective option: a hard reset. This will return the router to its factory default state. All your settings, including the network name, Wi-Fi password, and, most importantly, the username and password for connecting to the internet (PPPoE), will be erased.

To perform a reset, locate the hole marked on the back panel Reset or DefaultWith the router turned on, press it with a paperclip or toothpick and hold for 10-15 seconds until all the indicators blink simultaneously. The device will then reboot.

⚠️ Attention: Before resetting, make sure you have a contract with Beltelecom or have written down your login information (PPPoE username and password). Without these, you won't be able to set up your internet connection again, and Wi-Fi, while restored, won't work.

After the reset, connect to an open network (usually named after the router model) and go to the address 192.168.1.1The quick setup wizard will launch. Follow the on-screen instructions, entering the contract information. This is guaranteed to eliminate any software configuration errors.

When to contact support

There are situations when self-repair is impossible. If the problem persists after resetting and updating the firmware (if you know how to do this), the router's wireless module itself may be faulty. This is a hardware failure that requires hardware replacement.

It is also worth calling technical support (801-111) if you see that the indicator PON or Optical lights up red or flashes, or the indicator LOS The light turns red. This means the fiber optic line has been interrupted, and router settings won't help—a technician will need to be dispatched.

Additionally, specialists can remotely check your account profile. Sometimes, Wi-Fi service is simply not activated in the subscriber profile on the provider's end, even if the router is working properly.

What should I do if my router is old and doesn't support new standards?

If your router is more than 7-8 years old, it may simply not be able to handle the number of modern devices and new encryption protocols. In this case, the most practical solution would be to upgrade to a dual-band router that supports the 802.11ac (Wi-Fi 5) or ax (Wi-Fi 6) standard.

Can I use my own router instead of Beltelecom equipment?

Yes, you can connect your router to your ISP's terminal (ONT modem) using PPPoE or IPoE. To do this, you'll need to obtain the connection type and authorization information from your ISP. This often results in more stable Wi-Fi and expanded functionality.

Why does Wi-Fi work at night but disappear in the evening?

In the evening, during peak hours (8:00 PM–11:00 PM), the airwaves are heavily congested with neighboring routers, as well as microwaves and Bluetooth devices. This causes interference. The solution is to switch to 5 GHz or change to a less congested channel.

How do I check if my MAC address is blocked?

Go to the "Wireless MAC Filtering" section of your router settings. If filtering is enabled, make sure your device's address is added to the Allow List or not on the Deny List.