How to set up Wi-Fi on a Huawei HG8245H modem: a complete guide with photos

Modem Huawei HG8245H — a popular device from providers that combines the functions of an optical network terminal (ONT) and a Wi-Fi router. Despite its compact size, it supports dual-band Wi-Fi (2.4 GHz and 5 GHz), gigabit ports, and technology. GPON for high-speed internet. However, the default settings from your provider often leave much to be desired: a weak signal, an unsecured network, or an inconvenient SSID name.

In this article you will find step-by-step instructions on setting up Wi-Fi on HG8245H — from logging into the web interface for the first time to fine-tuning your network. We'll cover how to change your password, select the optimal channel, enable a guest network, and even boost your signal without additional equipment. All steps have been tested on the latest firmware from 2026 and are suitable for most providers (Rostelecom, MTS, Beeline, Dom.ru).

If you haven't configured routers before, don't worry: the interface Huawei It's intuitive, and our screenshots will help you navigate. For experienced users, we've added sections about hidden functions (for example, prioritizing devices by MAC) and diagnosing connection problems.

📊 What type of connection do you have at home?
Fiber optic (GPON)
ADSL
Cable Internet (Ethernet)
Mobile 4G/5G

1. Preparing for setup: what you need to do before logging into the modem

Before you go into the settings, make sure that the modem HG8245H properly connected and ready for configuration. Here it is mandatory checklist:

Check that the cable from the provider is connected to the port. PON (usually red in color)|

Connect the modem to the socket and wait until it is fully loaded (the indicator PWR lights up green)|

Use the patch cord (included) to connect the modem to your PC/laptop via LAN1|

Disable VPN or proxy on the device you will be using to configure|

Write down the factory data from the sticker on the bottom (logins, passwords, MAC address)-->

If you're connecting via Wi-Fi, temporarily use a network cable to avoid connection interruptions while saving settings. Also, check that the modem's indicator lights are lit:

  • 🔴 PON - blinking green (connection with provider)
  • 🔵 LAN1-4 - lights up green (there is a cable connection)
  • 📶 WLAN — blinking (Wi-Fi is on)

If the indicator PON Red or off, the problem is on your provider's side—call support. If the light is off LAN-ports, check the cable or port on the PC.

⚠️ Attention: On some firmware versions HG8245H After a factory reset, you'll need to reactivate your modem with your provider. Don't reset your modem unless absolutely necessary!

2. Login to the web interface: default login and password

To access the control panel, open your browser and enter one of the IP addresses in the address bar:

  • 🌐 192.168.100.1 (the primary address for most providers)
  • 🌐 192.168.1.1 (alternative if the first one doesn't work)

If the page does not open:

  1. Check that you are connected via cable to LAN1.
  2. Disable your antivirus/firewall - they may be blocking access.
  3. Try a different browser (recommended) Chrome or Firefox).
  4. Flush your DNS cache: in the command line, enter
    ipconfig /flushdns

If the connection is successful, a login window will appear. The standard login details are:

Field Default value Where to watch
Login admin or telecomadmin Sticker on the bottom of the modem
Password admin, telecomadmin or unique (from the provider) Sticker or agreement with the provider
IP address 192.168.100.1 or 192.168.1.1 Sticker or instructions

If the default passwords don't work, your provider has changed them. In this case:

  • 📞 Call support and request login information.
  • 🔄 If the modem is yours (not rented), do hard reset (press and hold the button Reset for 10 seconds).
⚠️ Attention: After resetting, the modem will return to factory settings, and internet access may be lost until you reactivate it with your provider. Use this method only as a last resort!

3. Basic Wi-Fi setup: network name, password, and security

After successful login, go to the section WLAN → Basic SettingsHere you can configure the basic network parameters:

Where can I find the WLAN section?

In the top menu, select Network → WLAN (or simply WLAN in new firmware). If there is no such option, check that you are logged in under an account with administrator rights (admin).

Key parameters to configure:

  • 📛 SSID (network name): Please provide a unique name without spaces or special characters (for example, Ivanov_WiFi_5G). Avoid personal information!
  • 🔒 Security Mode: Select WPA2-PSK (the safest option). WPA3 may not be supported by older devices.
  • 🔑 WPA Pre-Shared Key: Create a strong password (at least 8 characters, including numbers and letters). Example: 7x!K9pL2$m.
  • 📡 Band: Select 2.4GHz + 5GHz (if the modem supports both ranges) or separately 5GHz for less interference.

For dual-band networks (dual-band) we recommend dividing SSIDs by frequencies:

  • 📶 Ivanov_WiFi_2G (for 2.4 GHz - greater coverage, but lower speed)
  • 🚀 Ivanov_WiFi_5G (for 5 GHz - higher speed, but smaller radius)

After changing the settings, click Apply and wait for the modem to reboot (1-2 minutes). Connect to the new network with the updated password.

4. Wi-Fi optimization: channel selection, signal strength, and operating modes

By default the modem HG8245H Selects a channel automatically, but this isn't always optimal. To reduce interference and increase speed, manually select the channel:

  1. Go to WLAN → Advanced Settings.
  2. In the section Channel select Manual.
  3. For 2.4 GHz We recommend channels 1, 6 or 11 (they do not intersect).
  4. For 5 GHz select channels with numbers 36-48 or 149-165 (less busy).

To find out which channels are free, use Wi-Fi analysis apps:

  • 📱 Android: WiFi Analyzer or NetSpot
  • 🍎 iOS: AirPort Utility (built-in)
  • 💻 Windows: inSSIDer or Acrylic Wi-Fi

Additional parameters for optimization:

Parameter Recommended value Explanation
Channel Width 20/40 MHz (for 2.4 GHz), 80 MHz (for 5 GHz) Channel width affects speed and stability. For 2.4 GHz, a channel width of 40 MHz can create interference.
Transmit Power 100% (maximum) Reduce only if there is strong interference from neighboring networks.
Beacon Interval 100 (default) The lower the value, the faster devices find the network, but the higher the load on the modem.

A critical issue for the HG8245H: with some firmware versions, manually changing the channel to 5 GHz may cause the network to drop. If this happens, revert to automatic channel selection or update the modem firmware.

⚠️ Attention: If your devices don't connect to 5 GHz after changing the channel, check if they support this band. Older smartphones (pre-2018) and some laptops only support 2.4 GHz.

5. Guest Wi-Fi and Access Control: How to Restrict Users

Function guest network Allows you to create a separate access point with limited rights. This is useful if you frequently have guests or rent out a room. Setting up:

  1. Go to WLAN → Guest Network.
  2. Activate the checkbox Enable Guest Network.
  3. Ask SSID (For example, Ivanov_Guest).
  4. Set a password (it can be simpler than for the main network).
  5. In the section Access Control select Allow or Deny to restrict by MAC addresses.

Benefits of a guest network:

  • 🔐 Guests will not see devices on your local network (printers, NAS).
  • ⏱ You can limit the network operating hours (for example, from 9:00 to 23:00).
  • 📊 Easily track who is connected in the section DHCP → Client List.

For full control use MAC address filtering:

  1. Turn on MAC Filter V WLAN → Advanced Settings.
  2. Add only trusted devices to the whitelist (their MAC addresses can be found in DHCP → Client List).
  3. Select mode Allow (allow only specified MACs) or Deny (block specific ones).

Example list of allowed devices:


A4:1B:C2:8F:E5:99 – Laptop (Lenovo)

7C:DD:90:1A:4B:CD — Smartphone (Samsung)

38:F9:D3:B2:7E:10 - Printer (HP)

⚠️ Attention: MAC filtering doesn't provide 100% protection—an experienced user can spoof the address. For maximum security, combine it with a strong WPA2 password.

6. Problems and solutions: why Wi-Fi is slow or not working

If Wi-Fi is unstable after setup, check for the following common causes:

Problem Possible cause Solution
Slow speed on 2.4 GHz Channel congestion, interference from neighboring networks Change channel to 1, 6 or 11; reduce channel width to 20 MHz
Devices are not connecting to 5 GHz. Device incompatibility or weak signal Check your device's 5 GHz support; reduce the distance to the modem
Wi-Fi disconnects periodically Modem overheating, unstable power supply Check ventilation; connect via UPS (uninterruptible power supply)
No internet access when connected Problems with DHCP or ISP settings Reboot your modem; check the settings in Network → WAN

If the problem is not resolved, please do diagnostics:

  1. Check if the internet is working via cable (connect the PC directly to LAN1).
  2. Update your modem firmware in the section System Tools → Firmware Upgrade.
  3. Reset to factory settings (button Reset for 10 seconds) and set up again.

To eliminate interference from neighboring networks, use Wi-Fi analyzer (See Section 4) and select the least crowded channel. If the signal is weak in distant rooms, consider purchasing repeater (repeater) or Mesh systems.

7. Additional features: traffic prioritization and parental controls

Modem Huawei HG8245H supports QoS (Quality of Service) — a function that allows you to prioritize traffic. This is useful for:

  • 🎮 Online gaming (reduces ping)
  • 📺 Streaming video (no buffering)
  • 💼 Video conferencing (stable sound and picture)

How to set up QoS:

  1. Go to Advanced → QoS.
  2. Turn on Enable QoS.
  3. Select prioritization type:
    • 🔄 By Device — priority for specific devices (by MAC or IP).
    • 📊 By Application — priority for traffic types (games, videos, etc.).
  • Set rules (for example, maximum speed for torrents).
  • To restrict children's access, use parental control:

    1. Turn on the feature in Advanced → Parental Control.
    2. Add children's devices to the list (by MAC or IP).
    3. Set a schedule (for example, Internet only from 4:00 PM to 8:00 PM).
    4. Block unwanted websites by keywords or URLs.

    Example of parental control rules:

    
    

    Device: iPad (MAC: 00:1A:2B:3C:4D:5E)

    Schedule: Mon-Fri 18:00-21:00, Sat-Sun 10:00-22:00

    Blocked websites: vk.com, tiktok.com, torrent

    ⚠️ Attention: Parental controls at the modem level can easily be bypassed using a VPN or mobile internet. For added security, combine them with settings on the devices themselves (e.g., Screen Time on iPhone).

    8. Firmware update and reset

    Regular firmware updates fix vulnerabilities and improve stability. To update HG8245H:

    1. Download the latest firmware from Huawei's official website (select model HG8245H).
    2. Go to System Tools → Firmware Upgrade.
    3. Download the firmware file and wait for it to complete (do not turn off the modem!).
    4. If the modem is unstable, please do the following: factory reset:

      • 🔄 Soft reset: in the web interface System Tools → Restore Default.
      • 🔧 Hard reset: hold down the button Reset on the back panel for 10-15 seconds.

      After reset:

      • The modem will return to its default settings (Wi-Fi name and password from the sticker).
      • You will need to reconfigure your Internet connection (your provider will provide you with login details).
      • All custom rules (QoS, parental controls) will be deleted.

      Important: On some firmware versions, after a reset, the modem switches to bridge mode, and Wi-Fi is disabled. In this case, additional configuration will be required in the section Network → WAN (check the parameters with your provider).

      FAQ: Frequently asked questions about setting up Wi-Fi on the Huawei HG8245H

      🔹 How do I find my Wi-Fi password if I forgot it?

      If you haven't changed your web interface password, go to settings (192.168.100.1) and look at the current password in WLAN → Basic SettingsIf the input is blocked, reset the modem with the button Reset (but keep in mind that all settings will be reset!).

      🔹 Is it possible to turn off Wi-Fi automatically at night?

      Yes, in the section WLAN → Advanced Settings there is a function ScheduleSpecify the days and times when Wi-Fi should be turned off (e.g., from 12:00 AM to 6:00 AM). This will save energy and reduce radiation.

      🔹 Why is the speed on 5 GHz lower than on 2.4 GHz?

      It's paradoxical, but possible if:

      • The device is far from the modem (5 GHz passes through walls worse).
      • The channel selected is too wide (80 MHz), which causes interference.
      • The provider limits the speed at 5 GHz (rare, but it happens).

    Solution: Move the device closer to the modem or change the channel to 36-48.

    🔹 How do I connect an IP camera to this modem?

    Most IP cameras only operate on 2.4 GHz. In the modem settings:

    1. Make sure 2.4 GHz is enabled (WLAN → Basic Settings).
    2. Disable MAC filtering if it is enabled.
    3. Reserve IP for camera in DHCP → Address Reservation.

    If your camera won't connect, check if it supports encryption. WPA2-PSK (some older models only work with WEP, which is unsafe).

    🔹 Can this modem be used as a signal repeater?

    No, Huawei HG8245H does not support repeater or bridge (WDS) mode. To extend coverage, purchase a separate repeater or mesh system (e.g., TP-Link Deco or Keenetic).