Why has MTS's Wi-Fi internet speed dropped? Diagnostics and solutions

Have you noticed that MTS's Wi-Fi internet speed suddenly dropped., even though everything was working smoothly before? Pages are taking longer to load, videos are lagging, and online games have become unplayable. There could be dozens of reasons for this behavior, from simple network congestion to hidden router settings you never even knew about. In this article, we'll look into it. all possible scenarios, why the Wi-Fi speed from MTS has decreased, and we will give specific instructions, how to restore previous performance.

It's important to understand: the problem isn't always your equipment or your provider. Sometimes, it's your neighbors, weather conditions, or even your own smartphone. We've structured this article so you can quickly find your case — from simple checks to complex technical manipulations. We'll start with the most obvious and gradually move on to rare but critical nuances.

If after reading the article the question remains open - In 90% of cases, the problem is solved by replacing the Wi-Fi channel or resetting the router to factory settings.But first things first.

📊 How long have you noticed a drop in Wi-Fi speed?
Today/yesterday
A week ago
A month or longer
I don't remember, but it was a long time ago

1. Checking the current speed: basic measurements

Before digging deeper, make sure the problem actually exists. Users often get confused. objective drop in speed with subjective sensations (for example, when a website slows down due to its technical problems).

Take any device (smartphone, laptop, tablet) and follow these steps:

  • 📱 Connect to your Wi-Fi network MTS (make sure you are not on mobile internet).
  • 🌐 Open your browser and go to speedtest.net or Yandex.Internetometer.
  • 📊 Run a speed test and record the results: Ping, Download (Mbps), Upload (Mbps).
  • 🔄 Repeat the test 2-3 times at different times of the day (morning, afternoon, evening).

Compare the obtained figures with declared speed according to the tariff (You can check this in your MTS account or contract.) If the difference exceeds 30–40%, there really is a problem. If the speed is normal but websites load slowly, it's not the MTS network that's at fault, but specific resources (perhaps their servers are overloaded or blocked by your antivirus).

Disable VPN | Close all downloads and streams | Connect to Wi-Fi 1-2 meters away from the router | Reboot the router 5 minutes before the test-->

2. Network congestion: too many devices or "freeloading neighbors"

One of the most common reasons for a drop in speed is channel congestion. Modern MTS routers (for example, ZTE H298A or Huawei HG8245H) theoretically support up to 32 connected devices, but in practice, speeds start to drop at just 10–15 devices. This is especially true for users downloading torrents, watching 4K video, or playing online games.

How to check:

  1. Open the router's web interface (usually at 192.168.1.1 or 192.168.0.1, login/password - on the sticker on the back).
  2. Go to the section DHCP → Clients or Wi-Fi → Connected devices (the name depends on the model).
  3. Count the number of active connections. If there are more than 10 and the speed has dropped, that's your problem.

Solutions:

  • 🔌 Turn off unnecessary devices (old phones, smart light bulbs that haven’t been used for a long time).
  • 🔒 Change your Wi-Fi password to a more complex one (use WPA2-PSK or WPA3).
  • 📵 Turn on the feature Isolation of clients (if available in the settings) so that the devices do not see each other.
  • ⏱️ Customize Wi-Fi scheduleso that the router turns off the Internet at night (if you don’t need it).
How do you know if your neighbors are using your Wi-Fi?

If there are unfamiliar devices in the list of connected devices MAC addresses (For example, 00:1A:2B:3C:4D:5E), and you don’t recognize them by name (like Xiaomi_1234 or iPhone-Vasya) are other people's gadgets. You can block them manually in the router settings or change the network password.

⚠️ Attention: If your router is enabled WPS (quick connect button), it should be disabled. This feature is known to be vulnerable and allows you to connect to the network without a password.

3. Router problems: overheating, outdated firmware, hardware limitations

MTS routers, especially budget models like Sercomm RV6699, over time lose productivityThis may be due to:

  • 🔥 Overheating (If the router is hot to the touch, it needs to be cooled down).
  • 🖥️ Outdated firmware (Manufacturers regularly release updates to fix bugs).
  • 📉 Hardware limitations (cheap routers can't handle high speeds).

How to diagnose:

Symptom Possible cause Solution
The router gets very hot, and the speed drops after 10–15 minutes of operation. Dusty vents or faulty chip Clean the router from dust, provide ventilation, and replace it if it is heavily worn.
The speed via cable is normal, but via Wi-Fi it is low. Weak Wi-Fi module or interference from other networks Change the Wi-Fi channel or reduce the transmission power
The router reboots spontaneously Unstable power supply or corrupted firmware Connect via UPS, update firmware

Firmware update instructions:

  1. Download the latest firmware version for your model from the official MTS website or the router manufacturer's website.
  2. Go to the router's web interface (192.168.1.1).
  3. Go to the section System → Software Update.
  4. Upload the downloaded file and wait for the process to complete (do not turn off the power!).
⚠️ Attention: If after updating the firmware the router stops turning on, try resetting it to factory settings using the button Reset (Hold for 10-15 seconds). If this doesn't help, contact MTS support for hardware replacement.

4. Incorrect Wi-Fi settings: channel, bandwidth, standard

By default, MTS routers often use automatic Wi-Fi channel selection, but this isn't always optimal. If you have a lot of networks around you (for example, in an apartment building), the automation may select a congested channel, resulting in a drop in speed.

How to set up manually:

  1. Open the router's web interface and go to Wi-Fi → Basic Settings.
  2. Change the parameters:
    • Opening hours: select 802.11n/ac (if devices support it).
    • Channel width: put 20/40 MHz (for 2.4 GHz) or 80 MHz (for 5 GHz).
    • Channel: choose the least loaded one (use the app Wi-Fi Analyzer for analysis).
  • Save the settings and reboot the router.
  • Recommended channels for 2.4 GHz (depending on region):

    • 📶 1, 6, 11 — do not overlap with other channels (optimal for Russia).
    • 📶 13 — permitted in Europe, but may conflict with some devices.

    For 5 GHz, select channels 36–48 or 149–165 (they are less busy).

    5. Problems on the provider's side: restrictions, technical work, DDoS attacks

    Sometimes the speed drops not because of your fault, but because of MTS has problemsThis could be:

    • 🛠️ Technical work on the line (scheduled or emergency).
    • 📉 Throttling (artificial speed limit after exceeding the limit).
    • 🛡️ DDoS attacks to MTS servers (rare, but it happens).
    • 📡 Node overload (too many subscribers in your area).

    How to check:

    1. Call MTS support at this number 0890 (from a landline) or 8-800-250-08-90 (from mobile).
    2. Ask if there is any maintenance work going on in your area.
    3. Check whether you have exceeded your traffic limit (even "unlimited" plans sometimes have hidden restrictions).

    If the problem is on your provider's side, all you can do is wait. However, you can try:

    • 🔄 Reconnect to the network (turn Wi-Fi off and on on the device).
    • 🔌 Restart your router (sometimes this resets the session and temporarily restores speed).
    • 📱 Connect to MTS mobile internet (if you have a hybrid plan) and compare speeds.
    ⚠️ Important: If MTS support claims "everything is fine," but the speed is still slow, try connecting an internet cable directly to your computer (bypassing the router). If the cable speed is normal, the problem is with the router or Wi-Fi settings. If the cable speed is still slow, the problem is with your ISP (request a line check).

    6. External interference: neighbors, microwaves, walls

    Wi-Fi signal operates in the radio range, which means it is affected extraneous interferenceSources of problems:

    • 📡 Neighbours: If there are many Wi-Fi networks on the same channel, they "jam" each other.
    • 🍳 Household appliances: microwave ovens, cordless telephones, and wireless speakers operate at a frequency of 2.4 GHz.
    • 🧱 Obstacles: concrete walls, metal structures, mirrors weaken the signal.

    How to deal with interference:

    • 🔄 Change Wi-Fi channel (how to do this - see section 4).
    • 📶 Use 5 GHz: This range is less susceptible to interference, but has a shorter range.
    • 📍 Move the router: place it in the center of the apartment, raise it higher (on a closet or shelf).
    • 🛡️ Buy a repeater: If the signal does not reach distant rooms, an amplifier will solve the problem.

    You can check the interference level using the following applications:

    • Wi-Fi Analyzer (Android).
    • NetSpot (Windows/macOS).
    • AirPort Utility (iOS).

    7. Viruses, background downloads, and smart devices

    Sometimes the speed drops not because of network problems, but because hidden activity on your devicesViruses, automatic updates, or smart devices can consume traffic in the background.

    How to check:

    • 🖥️ On Windows: open Task Manager (Ctrl+Shift+Esc) → tab NetSee which programs are consuming traffic.
    • 📱 On Android: Settings → Networks → Data usage.
    • 🍎 On iOS: Settings → Cellular → Statistics (There are no separate statistics for Wi-Fi, but you can track suspicious activity).

    What can steal speed:

    • 🦠 Viruses and mining bots: Some malware uses your internet for DDoS attacks or cryptocurrency mining.
    • 🔄 Automatic updatesWindows, macOS, Steam games, and smartphone apps can download updates in the background.
    • 🏠 Smart home: Surveillance cameras, thermostats, and robotic vacuum cleaners constantly send data to the cloud.

    Solutions:

    • 🛡️ Spend full virus scan (use Kaspersky Virus Removal Tool or Dr.Web CureIt!).
    • ⚙️ Turn it off background updates in the system settings.
    • 📵 Limit Internet for smart devices through the router settings (section Traffic control or Parental Control).

    8. When all else fails: extreme measures

    If you've tried everything, but MTS's Wi-Fi speed is still low, it's time to consider radical solutions:

    • 🔧 Resetting the router to factory settings (button Reset for 10–15 seconds).
    • 📦 Replacing the router to a more powerful model (for example, ASUS RT-AX55 or TP-Link Archer C6).
    • 📞 Change tariff or provider (if MTS constantly limits speed).
    • 📡 Transition to fiber optics (if you also have ADSL or copper, the speed will drop by definition).

    Before changing equipment, try Connect to MTS Internet through another router (Borrow one from friends or buy a cheap one for now.) If the speed is normal, your router is to blame. If not, the problem is with the line or your plan.

    If you decide to replace your router, pay attention to:

    • 📶 Wi-Fi 6 support (standard 802.11ax) for future compatibility.
    • 🔌 Availability of gigabit ports (if your tariff is more than 100 Mbps).
    • 🛡️ Built-in firewall and DDoS protection.
    ⚠️ Important: Before purchasing a new router, check with MTS support to see which models are officially supported. Some providers bind equipment by MAC address and may refuse technical support if you are using a non-certified device.

    FAQ: Frequently asked questions about MTS Wi-Fi speed drops

    ❓ Why is my Wi-Fi speed slower than my cable speed?

    This is normal: Wi-Fi is always slower than a wired connection due to interference, standard limitations, and data loss. A 20–30% difference is acceptable. If the gap is greater than 50%, check your router settings or change the channel.

    ❓ MTS promises 100 Mbps, but in reality it's 30-40. Is this a scam?

    Not necessarily. The advertised speed is the maximum that can be achieved under ideal conditions. Actual speed depends on network congestion, distance to the server, and the quality of cables and equipment. If the speed is consistently below 70% of the advertised speed, request a line inspection.

    ❓ Can antivirus software affect Wi-Fi speed?

    Yes, some antiviruses (for example, Avast or ESET) scan network traffic in real time, which can slow down your connection. Try temporarily disabling protection and re-measuring your speed.

    ❓ Why does the speed drop in the evening?

    In the evening, the Internet is used by the maximum number of subscribers, so providers can throttle (Limit) the speed to evenly distribute the load. This is especially noticeable on "unlimited" plans with hidden restrictions.

    ❓ How can I find out if my neighbors are stealing my speed?

    Go to your router settings (192.168.1.1) and look at the list of connected devices (DHCP Clients or Connected Devices). If you see unfamiliar MAC addresses — change your Wi-Fi password to a more complex one.