How to determine the Wi-Fi frequency on your phone: 2.4 GHz or 5 GHz?

The speed of the Internet on the phone depends not only on the provider's tariff or the router model, but also on Wi-Fi frequencies, to which the device is connected. Modern routers broadcast simultaneously on two bands: 2.4 GHz (distant, but overloaded) and 5 GHz (fast, but with a smaller coverage area). If your smartphone is stuck on a busy 2.4 GHz channel, even with a good signal, your speed may drop to 10-20 Mbps instead of the potential 100+ Mbps.

The problem is that most phones automatically connect to the network with the strongest signal, not the fastest one. For example, iPhone 13 or Samsung Galaxy S22 They can get stuck on 2.4 GHz if the router is in another room, even though there's a free 5 GHz band nearby. So how do you find out what frequency your device is connected to—and switch if necessary? In this article, we'll cover all the methods for Android And iOS, including hidden settings and third-party utilities.

⚠️ Attention: Some manufacturers (eg Xiaomi or Huawei) artificially limit the display of Wi-Fi frequencies in the default settings. In such cases, additional steps or apps will be required.

Why is it important to know the Wi-Fi frequency on your phone?

The 2.4 GHz and 5 GHz bands differ not only in speed but also in how they perform in real-world conditions. Here are the key differences that directly impact your experience:

• 📶 2.4 GHz: It penetrates walls better, but suffers from interference (microwaves, neighboring networks, Bluetooth devices). The maximum speed is up to 150-300 Mbps (in theory).
• ⚡ 5 GHz: less interference, higher speed (up to 1 Gbps on Wi-Fi 6), but the signal penetrates less effectively through obstacles. Ideal for online gaming and 4K streaming.
• 🔄 Auto-connection: The phone may “forget” the fast 5 GHz network and cling to 2.4 GHz if the latter’s signal is more stable.

For example, if you are watching YouTube If you're watching in 4K, but the video is constantly freezing, the problem might not be your data plan, but rather that your phone is using a congested 2.4 GHz channel. Or, conversely, you might be sitting in a room far from the router, and Zoom- the conference constantly drops - it might be worth manually switching to 2.4 GHz for stability.

⚠️ Attention: Some budget routers (for example, TP-Link TL-WR840N) do not support 5 GHz. If this band is not mentioned in your network settings, check your router model.

Method 1: Standard Android settings (without root)

On most phones with Android 10+ You can see your Wi-Fi frequency directly in the connections menu. Instructions:

1. Open Settings → Wi-Fi.
2. Tap on the name of your network (not the switch!).
3. Scroll down to the block Technical information or Network information.
4. Find the line Frequency, Range or Band. It will be indicated there 2.4 GHz or 5 GHz.

On Samsung Galaxy the path may differ: Settings → Connections → Wi-Fi → ⚙️ (gear icon next to the network) → Frequency.

Check if you are connected to the network (sometimes data only appears when there is an active connection)

Update your phone's firmware (information may not be available on older versions of Android)

Try alternative methods from this article-->

⚠️ Attention: On some firmware (for example, MIUI from Xiaomi or ColorOS from Oppo) this item may be hidden. In this case, use Method 3 (applications).

Method 2: Hidden engineering settings menu (for advanced users)

If the standard settings do not show the frequency, you can look in engineering menu phone. This method works on most devices, but requires caution—don't change settings unless you're sure what they mean!

Instructions for Android:

1. Open the app Telephone (dialer).
2. Enter the combination:

   ##4636##

3. In the menu that opens, select Wi-Fi information (or Wi-Fi testing).
4. Find the line Frequency — the value in megahertz will be indicated there (for example, 2412 MHz = 2.4 GHz, 5180 MHz = 5 GHz).

🔹 Note: On some phones (eg. Huawei) the engineering menu is locked. In this case, the combination won't work.

adb shell dumpsys wifi

Method 3: Wi-Fi Analysis Apps (Most Reliable)

If the previous methods don't work, install one of the specialized apps. They will not only show your current frequency but also analyze channel load, signal strength, and even suggest optimal router settings.

Top 3 apps for Android:

• 📊 WiFi Analyzer (from VREM Software) — shows the frequency, channel, signal strength, and airtime. Free, no fluff.
• 🔍 NetSpot — creates a heat map of coverage and displays the range (2.4/5 GHz) for each network.
• 📡 WiFi SweetSpots — analyzes the speed at different frequencies and suggests the optimal channel.

For iPhone the choice is more modest due to restrictions iOS, but it works:

• 🍎 AirPort Utility (official from Apple) - shows the frequency in the section Wi-Fi Scanner (must be enabled in the application settings).
• 📱 Network Analyzer — displays the range and channel of the current network.

🔹 Example: IN WiFi Analyzer The frequency is displayed at the top of the screen next to the network name. If it says 2.4 GHz (Channel 6), then you are connected to this range.

WiFi Analyzer|NetSpot|AirPort Utility (iPhone)|Other|I don't use it-->

Method 4: Through the router settings (indirect method)

If the phone stubbornly does not show the frequency, you can go the other way - check what range it belongs to not connectedTo do this:

1. Go to the router's web interface (usually at 192.168.0.1 or 192.168.1.1).
2. Find the section Wireless network (or Wi-Fi).
3. View lists of connected devices for 2.4 GHz And 5 GHz.
4. If your phone is only on one of the lists, it means it is using the corresponding range.

🔹 Example for routers TP-Link:

• Go to Basic → Wireless.
• Tabs 2.4GHz And 5GHz will show separate lists of devices.

⚠️ Attention: If the router is in the mode Smart Connect (combining SSIDs for 2.4 and 5 GHz), this method will not work - the devices will be displayed in one list.

How to force a switch to 5GHz (if your phone is stuck on 2.4GHz)

If you've determined that your phone is using a slower band and your router supports 5 GHz, you can force the device to connect to a faster network. Here are three effective methods:

• 🔄 SSID Splitting: Disable it in your router settings. Smart Connect and set different names for 2.4 GHz and 5 GHz (for example, MyWiFi_2G And MyWiFi_5G). Then manually connect to 5 GHz.
• 📵 Forget network: In the Wi-Fi settings on your phone, select Forget this network, then reconnect - sometimes the device "changes its mind" and clings to 5 GHz.
• 🛠️ Fixed channel: In your router, set a static channel for 5 GHz (for example, 36 or 48) instead of AutoSome phones "see" fixed channels better.

🔹 For iPhone: These devices often lock onto the first frequency they connect to. To reset the priority, turn off Wi-Fi for 30 seconds, then turn it back on and select the 5 GHz network manually.

Table: How to determine the Wi-Fi frequency on popular phones

⚠️ Attention: On some Chinese firmware (for example, ColorOS from Oppo/Realme) Frequency data may not even be available in the engineering menu. In this case, the only option left is to separate the SSIDs on the router.

Common Mistakes and Myths About Wi-Fi Frequencies

Users often encounter misunderstandings when working with the 2.4 GHz and 5 GHz bands. Let's look at the most common ones:

• 🚫 Myth 1: "5 GHz is always faster than 2.4 GHz." Reality: At a great distance from the router, 5 GHz may be slower Due to a weak signal. It's optimal to use 5 GHz within 10-15 meters from the router.
• 🔄 Myth 2: "If the router supports 5 GHz, the phone will automatically connect to it." Reality: Many phones (especially budget ones) prefer 2.4 GHz due to better stability. You need to force the network selection.
• 📡 Myth 3: "80 MHz channel width is always better than 20 MHz." Reality: In apartment buildings, a wide channel (40/80 MHz) can increase interferenceFor 2.4 GHz, it is better to use 20 MHz, for 5 GHz - 40 MHz.

Critical information: On phones with MediaTek Helio (For example, Redmi 9A or Realme C3) may not support 5 GHz at all. Check your model's specifications on the manufacturer's website!

FAQ: Answers to Frequently Asked Questions