Forgot your home Wi-Fi password? Beltelecom and need to replace it urgently, but only have your phone at hand? Or do you suspect your neighbors have connected to your network? ByFly without permission? In this article, we'll look at how Change the Wi-Fi password on a Beltelecom router directly from your phone - no computer or unnecessary complications.
The process takes no more than 5-7 minutes if you know the exact steps. We'll cover two main methods: ByFly personal account and directly through router web interfaceWe'll also tell you what to do if the default password admin It doesn't work, and how to avoid blocking your network access when changing settings.
Important: If you rent a router from Beltelecom, some models (for example, Sercomm H500-s or Huawei HG8245H) may have limited settings. In this case, you will need to contact support—contact information is provided at the end of the article.
1. Preparation: What you need to change your password
Before changing your password, make sure you have:
- 📱 Telephone (Android or iPhone) with connection to mobile Internet or another network (if Wi-Fi is no longer available).
- 🔌 Access to the router - physical (to reboot it if necessary) or via cable (if Wi-Fi is disabled).
- 🔑 Login and password to enter the router settings. Usually this is
admin/adminor indicated on the device sticker. - 📄 Data from your ByFly personal account (if you change your password through the operator’s website).
If you don't remember your router login information, you can find it on a sticker on the back or bottom of the device. It usually contains:
- 🖧 IP address (For example,
192.168.1.1or192.168.0.1). - 🔐 Username (
User,Adminorroot). - 🔑 Password (more often
adminor a unique set of characters).
Warning: If you have previously changed your router settings and have forgotten the new password, the only way to regain access is factory resetTo do this, press and hold the button Reset on the router for 10–15 seconds (until the indicators start blinking). After the reset, all settings, including the network name and Wi-Fi password, will return to factory defaults, but the Internet may temporarily disappear until you set it up again.
2. Method 1: Change your password through your ByFly account
The easiest method is to use subscriber's personal account on the website BeltelecomIt is suitable if:
- ✅ The router is rented from the provider.
- ✅ You have access to your login/password for your personal account.
- ✅ Router settings do not block remote control.
Instructions:
- Open the browser on your phone and go to the website ByFly personal account.
- Log in by entering your phone number or login and password.
- Go to the section
Services → Internet → Wi-Fi Settings(menu item may vary slightly). - In the field
Wi-Fi passwordEnter a new password (minimum 8 characters, we recommend using numbers, letters and symbols). - Save the changes and reboot the router (using the button on the case or via the web interface).
The new password contains at least 8 characters|
The password is written down in a safe place (not on a sticker on the router!)|
Connected devices are ready to re-enter the password|
The router does not block changes (no errors when saving)-->
⚠️ Attention: If you don't see a Wi-Fi settings section in your personal account, your router doesn't support remote management. In this case, use Method 2 (router web interface).
3. Method 2: Change the password via the router's web interface
If your personal account is not suitable or you are using your own router (not a rented one), you will have to change the password through admin panelTo do this:
Step 1. Connect your phone to the router's Wi-Fi network (if you forgot the password, use a cable or temporarily reset the settings as described above).
Step 2. Open your browser and enter your router's IP address in the address bar. This is usually:
192.168.1.1(for most models Sercomm And Huawei)192.168.0.1(for some ZTE)192.168.100.1(rare, but it does happen)
Step 3. Enter your login and password (default) admin/admin, if you haven't changed it). If the data doesn't match, look at the router's sticker.
Step 4. Go to the Wi-Fi settings section. The path varies depending on the model:
| Router model | Path to Wi-Fi settings | Password change section |
|---|---|---|
| Sercomm H500-s | Network → WLAN → Basic |
Security Settings |
| Huawei HG8245H | WLAN → Basic Configuration |
WPA Pre-Shared Key |
| ZTE H298N | Network → WLAN → Security |
Password (PSK) |
Step 5. In the field Password, WPA Key or Pre-Shared Key Enter a new password. Recommendations:
- 🔢 Use at least 12 characters.
- 🔤 Combine uppercase and lowercase letters, numbers, symbols (
!@#$%). - 🚫 Do not use personal information (dates of birth, names).
Step 6. Save settings (button Apply, Save or Submit) and reboot the router.
4. Common mistakes and how to avoid them
Users often encounter problems when changing their password. Here are the most common ones:
Error 1: "Incorrect login or password" when logging into the router.
- 🔍 Check if it is turned on
Caps Lockon the phone keyboard. - 📋 Try standard combinations:
admin/admin,user/user,root/admin. - 🔄 If nothing helps, reset the router to factory settings (button
Reset).
Error 2: After changing the password, Wi-Fi does not work.
- 🔄 Reboot your router (unplug it from the power outlet for 30 seconds).
- 📡 Check if the hotspot is enabled in the settings (
Enable WirelessorWLAN On/Off). - 🔌 Make sure the cable from your ISP is connected to the port
WAN(usually highlighted in color).
Error 3: Settings are not saved.
- 🗃️ Check if there is enough space in the router's memory (rare, but it can happen with older models).
- 🔄 Try using a different browser (for example, Chrome instead of Safari).
- 📱 If you are changing from your phone, enable the "Desktop" mode in your browser (in the menu
… → Desktop version).
What should I do if my router has blocked access after several unsuccessful password attempts?
Some models (eg Huawei HG8245H) block login for 5-10 minutes after 3-5 incorrect attempts. Wait or reset the settings using the button ResetIf the blocking is permanent, please contact support. Beltelecom — perhaps parental controls are enabled on the router.
⚠️ Attention: if you use dual-band router (2.4 GHz and 5 GHz), you will have to change the password separately for each network. Network names are usually distinguished by a suffix (_5G or -5GHz).
5. How to create a strong Wi-Fi password
A weak password is the main reason neighbors or hackers connect to your network. Follow these rules:
What NOT to use:
- 🚫 Simple combinations:
12345678,qwerty,password. - 🚫 Personal information: dates of birth, pet names, phone numbers.
- 🚫 Words from the dictionary (even in another language).
How to create a strong password:
- Take it basis from 3-4 random words: for example,
Coffee, Umbrella, Lamp, Snow. - Add numbers and symbols:
Coffee2Umbrella!Lamp@Snow5. - Mix registers:
Coffee umbrella! lamp@snow5. - Check the length - it's optimal 12–16 characters.
Examples of strong passwords:
- 🔒
Branch7#House@Dog!2026 - 🔒
Tea$Book3%Chair*Spring - 🔒
Sea&Mountain9_Forest+Winter1
6. What to do if nothing helps
If you've tried all the methods and still can't change your password, try these tips:
1. Check your router model.
Some devices (eg GPON routers from Beltelecom) have specific setup options. Check the model sticker and look for specific instructions.
2. Contact support.
Hotline numbers Beltelecom:
- 📞
123— for ByFly subscribers (free from a landline phone). - 📞
+375 17 219-99-99— for mobile and landline numbers.
3. Update your router firmware.
Outdated software can cause problems. In the web interface, find the section System Tools → Firmware Upgrade and check if the version is up to date.
⚠️ Attention: if the router is rented from BeltelecomUpdating the firmware yourself may impair its operation. In this case, contact your provider.
7. Frequently Asked Questions (FAQ)
Is it possible to change the Wi-Fi password without accessing the router?
No. To change your password, you need physical access to the router (to connect via cable or Wi-Fi) or login information for your personal account. ByFlyIf you can't connect, your only option is to reset the settings using the button. Reset.
Why don't some devices connect to Wi-Fi after changing the password?
This happens if:
- 🔄 The device "remembered" the old password (delete the network in the Wi-Fi settings and reconnect).
- 📡 The encryption type has changed (for example, from
WPA2onWPA3). Check your router settings. - 🔌 The MAC address filter is activated on the router (disable it in the section
Wireless MAC Filter).
How do I know who is connected to my Wi-Fi?
Go to the router's web interface in the section DHCP Clients List, Connected Devices or Wireless ClientsThere will be a list of all connected devices with their IP and MAC addresses. Unknown devices can be blocked.
How many devices can be connected to Beltelecom Wi-Fi?
Limitations depend on the router model and tariff:
- 🖧 Sercomm H500-s: up to 32 devices.
- 🖧 Huawei HG8245H: up to 64 devices.
- 📡 Tariffs ByFly There is usually no limit on the number of devices, but when connecting more than 10–15, the speed may drop.
For stable operation, we recommend not exceeding 10–15 active connections simultaneously.
Is it possible to install my own router instead of the one rented from Beltelecom?
Yes, but for this you need:
- Buy a compatible router (with support)
PPPoEAndVLAN). - Check with support Beltelecom connection parameters (login, password, VLAN ID).
- Set up a new router using data from your provider.
⚠️ After connecting your router, the rented device must be returned to the office Beltelecom, otherwise rent will be charged.