How to remove Wi-Fi speed limits: from router settings to bypassing your provider

Have you noticed that your Wi-Fi is slower than your plan says it should be? Speeds are dropping to half the advertised level, and tests show strange spikes from 10 to 100 Mbps for no apparent reason? In 80% of cases, this isn't a network issue, but an artificial limitation. throttlingIt's installed by providers, routers with factory settings, or even your own devices (for example, smartphones in data-saving mode).

In this article we will analyze all possible sources of restrictions — from trivial errors in router settings to hidden limits from your internet provider. You'll learn how bypass software throttling at the DNS level, change the priorities of devices in the router, and even “trick” the QOS system if it distributes traffic incorrectlyImportant: Some methods require access to the router's administrative panel or changing network settings on the device.

Before you start adjusting the settings, check the actual speed of your connection using services like Speedtest.net or Fast.comCompare the results with those stated in your contract with your provider. If the difference exceeds 20-30%, there's definitely a limitation. We'll discuss how to find and fix it below.

1. Checking your provider's restrictions

The first thing to rule out is artificial restriction from the Internet providerMany operators use throttling For certain types of traffic (e.g., torrents, 4K video streams) or by time (night "sleep" mode). Sometimes limits are imposed due to exceeding the monthly traffic limit, even if you have an "unlimited" plan.

How to check:

• 📄 Review your contract with your provider. Look for clauses about "fair usage" (Fair Usage Policy) or "traffic prioritization".
• 📊 Log in to your personal account on your provider's website. There may be a traffic consumption chart with notes about any restrictions.
• 📞 Call support and ask directly: “Does throttling apply to my tariff?” Tariff_name?».

⚠️ Attention: Some providers hide information about throttling in their "technical specifications" or in the fine print on their website. If speed drops at certain times of day (for example, in the evening), it's almost certainly their fault.

If the restriction is confirmed, you have two options:

1. Change your tariff to a more expensive one (sometimes this is the only way to eliminate throttling legally).
2. There are technical ways to bypass the restrictions - more on that in the following sections.

2. Router settings: where to look for speed limits

Often the problem lies in the router itself. Manufacturers (for example, TP-Link, ASUS, Keenetic) by default include features that can limit speed:

• 🔧 QoS (Quality of Service) — distributes traffic according to priorities, but sometimes “chokes” the wrong devices.
• 📶 Bandwidth Control — manual speed limitation for individual devices.
• 🔄 Parental Control - can block speed for certain MAC addresses.

How to check the settings:

1. Go to your router's control panel (usually at 192.168.0.1 or 192.168.1.1). The login and password are indicated on the device sticker.
2. Go to the section Advanced Settings → QoS (or Bandwidth Control).
3. Check if restrictions are enabled. If so, disable them or reconfigure them.

Open Control Panel at 192.168.0.1 or 192.168.1.1|

Check the QoS/Bandwidth Control section|

Disable restrictions for your device (by MAC or IP)|

Save settings and reboot the router

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If it is enabled in the router QoS, try disabling it completely or resetting the priorities. For example, in routers ASUS there is a regime Adaptive QoS, which automatically distributes traffic, but sometimes makes mistakes. It's better to select manual mode or disable this feature entirely.

⚠️ Attention: On some routers (for example, Zyxel Keenetic) speed limits can be hidden in the section Home Network → Traffic ControlLook for items that mention Limit or Throttle.

3. Bypassing throttling by changing DNS

One of the most effective ways to bypass provider restrictions is change DNS serversMany operators use their DNS to filter traffic and impose restrictions. If you replace them with public ones (for example, from Google or Cloudflare), you can bypass some of the blockages.

How to change DNS:

• 🖥️ On your computer (Windows):

Settings → Network & Internet → Ethernet/Wi-Fi → Change adapter settings → IPv4 properties → Use the following DNS: 8.8.8.8 and 8.8.4.4

• 📱 On a smartphone (Android):

Settings → Network & Internet → Wi-Fi → Tap your network → Edit network → Show advanced settings → DNS: 1.1.1.1

Recommended DNS servers to bypass restrictions:

After changing your DNS, reboot your device and test your speed again. If the throttling was at the DNS level, your speed should improve. If not, proceed to the next method.

4. Changing MTU and other network parameters

MTU (Maximum Transmission Unit) — This is the maximum size of a data packet that can be transmitted without fragmentation. If the MTU value is set incorrectly, it can cause packet loss and artificially slow down the speed. The optimal value for most networks is 1500, but sometimes it is necessary to reduce it to 1472 or 1400.

How to change MTU:

• 🖥️ On Windows: Open Command Prompt (Win + R → cmd) and enter:

  netsh interface ipv4 show subinterfaces

  Note the current MTU value for your adapter, then change it:

  netsh interface ipv4 set subinterface "ID" mtu=1472 store=persistent

  (replace ID to the number of your adapter from the previous command).

• 📡 On the router: In the control panel, find the section WAN Settings or Internet and change the parameter MTU.

Also check the following parameters:

• 🔄 TCP/IP Offloading: In the network card settings (Windows), disable the options IPv4 Checksum Offload And TCP Checksum Offload, if they cause conflicts.
• 📡 Wi-Fi operating mode: In the router, select 802.11n/ac/ax instead of 802.11b/g — old standards artificially limit the speed to 54 Mbps.

⚠️ Attention: An incorrect MTU value can completely break your connection. If you lose internet access after changing this setting, return it to the default value (1500) or reset network settings.

5. Using a VPN to bypass throttling

If your provider limits your speed based on traffic (for example, for torrents or streaming), A VPN can help bypass these restrictions.The service encrypts your traffic, so your provider can't determine what data you're transmitting, so it doesn't throttle your traffic.

Best VPNs to Bypass Speed ​​Limits:

• 🛡️ ProtonVPN — a free plan with good speed, but a limited choice of servers.
• ⚡ NordVPN — paid, but one of the fastest, has servers for streaming.
• 🌍 Windscribe — 10 GB of traffic per month for free, supports P2P.

How to check if a VPN is helping:

1. Connect to a server in your country (or the nearest one).
2. Run a speed test on Speedtest.net.
3. Compare the results with the test without VPN.

If the speed has increased, it means the provider was indeed throttling your traffic. The downside of this method: some VPNs can actually reduce speed due to encryption. Choose servers with minimal traffic (Load < 50%).

Why doesn't VPN always help?

Some providers block VPN traffic at the port or protocol level. If your speed hasn't improved or your internet connection has disappeared after connecting to a VPN, try changing the protocol (with OpenVPN on WireGuard) or port (for example, 443 instead of 1194).

6. Hardware limitations: router, cables, adapters

Sometimes the problem is not in the settings, but in ironHere's what might be limiting your speed:

• 📡 Old router: Standard devices 802.11g (up to 54 Mbps) or 802.11n (up to 300 Mbps) will not be able to provide speeds above their limit, even if the provider provides 1 Gbps.
• 🔌 Ethernet cable: If the connection is through Fast Ethernet (100 Mbps), not Gigabit Ethernet (1 Gbps), speed will be limited by cable.
• 📱 Wi-Fi adapter: Laptops or smartphones may have a weak adapter installed (for example, 1x1 MIMO instead of 2x2 MIMO).

How to check:

• Check the router's specifications on the sticker or in the manual. Look for standards. 802.11ac (Wi-Fi 5) or 802.11ax (Wi-Fi 6).
• Connect your computer to the router via cable and test the speed. If the cable speed is higher than the Wi-Fi speed, the problem is with the wireless module.
• Replace the network cable with Cat 5e or Cat 6, if you are using the old one Cat 5.

If the router is outdated, replacing it often solves the problem. For example, switching from TP-Link TL-WR841N (150 Mbps) on ASUS RT-AX55 (Wi-Fi 6, 1.8 Gbps) can increase the speed by 10 times.

7. Software limitations on devices

Sometimes it’s not the provider or the router that limits the speed, but the device itself (computer, smartphone, Smart TV). Here's where to look:

• 🖥️ Windows: Your adapter may have a power saving mode enabled, which reduces Wi-Fi speed. Disable it. Device Manager → Network Adapters → Properties → Power Management.
• 📱 Android/iOS: There may be an option in your Wi-Fi settings Intelligent switching or Saving traffic, which limits the speed.
• 📺 Smart TV: Some televisions (eg. Samsung or LG) limit the speed to save energy. Look for the settings in Network → Advanced.

Also check:

• 🛡️ Antivirus or firewall: Programs like Kaspersky or Avast may block some of the traffic, reducing speed.
• 🔄 Background updates: If your device is downloading updates (Windows, macOS, Android), this can eat up some of the speed.

FAQ: Frequently asked questions about Wi-Fi speed limiting

Can an ISP limit speed only for certain websites?

Yes, that's what it's called DPI (Deep Packet Inspection)Your ISP analyzes your traffic and may slow down your speed for torrents, streaming services (Netflix, YouTube), or social media. You can work around this by changing your DNS or using a VPN.

Why is cable speed higher than Wi-Fi?

This is normal: Wi-Fi is always slower due to interference, distance to the router and limitations of the standard (for example, 802.11n gives a maximum of 300 Mbps, and cable Gigabit Ethernet — 1 Gbps). To reduce the difference, use a router with Wi-Fi 6 and connect within the range 5 GHz.

Is it possible to increase Wi-Fi speed if the provider only provides 100 Mbps?

No, not if your provider is actually throttling you at the plan level. But you can optimize your current speed: use a cable instead of Wi-Fi, connect to a router within range 5 GHz, disable background updates on your devices.

What is Fair Usage Policy?

This is a provider policy that allows speed throttling after a certain traffic volume (for example, 1 TB per month) is exceeded, even if the plan is called "unlimited." This is usually spelled out in the fine print of the contract.

Does flashing a router help increase speed?

Sometimes yes. Alternative firmware like DD-WRT or OpenWRT They can reveal additional router settings, but this is risky: incorrect firmware can brick the device. Only attempt this if you're confident in your skills.