How to Switch to 5GHz Wi-Fi on Android: A Complete Guide with Troubleshooting

Wi-Fi networks at a frequency 5 GHz offer higher data transfer speeds, less interference from neighbors, and a stable connection for online gaming, 4K streaming, or video calls. However, many users Android encounter difficulties when trying to connect to such a network: the phone simply does not see it in the list of available ones or stubbornly clings to a slow 2.4 GHzThe cause lies not only in the smartphone settings, but also in the router configuration, and sometimes in the device's hardware limitations.

In this article, we will look at how to check support 5 GHz yours Android-device, configure the router for correct operation on two bands, and we will also provide step-by-step instructions for popular smartphone brands (Samsung, Xiaomi, Huawei etc.). We will pay special attention to typical errors - for example, when the phone "sees" the network, but does not connect, or when the speed is 5 GHz turns out to be lower than expected.

If you have already tried to switch and encountered problems, skip the theoretical part and go straight to the section Problem SolvingFor beginners, we've prepared a preparation checklist—from checking your router model to updating your smartphone's firmware.

📊 What kind of router do you have?
TP-Link
ASUS
Xiaomi
Keenetic
D-Link
Another

1. Check for 5 GHz support on your Android device

Before attempting to connect to the network 5 GHz, make sure your smartphone supports it. The fact is that budget models (especially those released before 2018) were often equipped with only the module. 2.4 GHzYou can check this in several ways:

Method 1: Technical specifications. Find your phone model (eg. Redmi Note 10 Pro or Samsung Galaxy A52) on the manufacturer's website or in services like GSMArena. The "Network" or "Wireless" section should indicate support. 802.11ac (Wi-Fi 5) or 802.11ax (Wi-Fi 6) - this guarantees operation on 5 GHz. If only specified 802.11n, then with a 99% probability your phone only supports 2.4 GHz.

Method 2: Diagnostic applications. Install the utility WiFi Analyzer (available in Google Play). Launch it and look at the network graph: if there are networks marked in the list 5G or 5GHz, your device "sees" them. If only networks are displayed 2.4G - there is no support.

  • 📱 Budget smartphones: Redmi 9A, Samsung Galaxy M11, Nokia 2.4 - often lacking a module 5 GHz.
  • 📱 Middle segment: Xiaomi Poco X3, Realme 8 Pro, Samsung Galaxy A32 — support both ranges.
  • 📱 Flagships: All models Samsung Galaxy S/Note (since 2016), iPhone (with 6s), Google Pixel — work on 5 GHz.
⚠️ Please note: Some manufacturers (eg. Xiaomi in budget models) they can artificially disable support 5 GHz in the firmware to save power. In this case, only a firmware update will help.

2. Configuring the router to operate at 5 GHz

Even if your phone supports 5 GHz, the router may be configured incorrectly. A common error is a disabled range. 5 GHz in the settings or an incompatible operating mode. Here's what to check:

Step 1: Enable the range. Go to the router's web interface (usually at 192.168.0.1 or 192.168.1.1) and find the section Wireless network (or Wi-Fi). Make sure the mode is enabled. 5 GHz or Dual Band (dual range). On some routers (TP-Link, ASUS) this can be called Band Selection.

Step 2: Select the operating mode. In the settings 5 GHz set the mode 802.11a/n/ac (or 802.11ax, if the router supports Wi-Fi 6). Avoid the mode 802.11a - It is outdated and may not work with modern smartphones.

Step 3: Channels and Width. For stable operation, select a fixed channel (for example, 36, 40, 44 or 48) instead of Auto. Channel width (Channel Width) install on 20/40 MHz or 80 MHz (if the router supports it). Width 160 MHz may cause compatibility issues.

Parameter Recommended value Explanation
Wireless mode 802.11a/n/ac or 802.11ax Ensures compatibility with most devices
Channel 36, 40, 44 or 48 Avoid automatic selection for stability
Channel Width 20/40 MHz or 80 MHz 160 MHz may not be supported by smartphones
Network name (SSID) Different from 2.4 GHz Allows you to select the range manually on your phone
⚠️ Attention: If your router is in the Smart Connect (smart band switching), turn it off. This feature often forces devices to connect to 2.4 GHz, even if they support 5 GHz.

Enable the 5 GHz band in the settings | Set the mode to 802.11a/n/ac | Select a fixed channel (36, 40, 44, 48) | Disable Smart Connect | Save the settings and reboot the router -->

3. Connecting to 5 GHz on Android: Step-by-Step Instructions

If the router is configured correctly and the phone supports 5 GHz, all that's left to do is connect. However, there are some nuances: some manufacturers hide the range selection deep in the menu. Let's look at the process for popular brands.

Universal method (for most Android):

  1. Open Settings → Wi-Fi.
  2. Find your network in the list. If it broadcasts on both bands, there may be a mark next to the name. 5G or 5GHz.
  3. Click on the network and enter the password. If you can't connect, try "forgetting" the network (Forget or Delete) and reconnect.

For smartphones Xiaomi (MIUI):

  • 🔧 Go to Settings → Wi-Fi → Advanced (or Advanced settings).
  • 🔧 Turn on the option 5 GHz Wi-Fi band (if there is one).
  • 🔧 If there is no option, but the network 5 GHz visible - just connect to it.

For smartphones Samsung (One UI):

  • 📶 In the Wi-Fi menu, tap the three dots (⋮) in the upper right corner.
  • 📶 Select Advanced Settings → Wi-Fi Band.
  • 📶 Install 5 GHz (if available). If this option is not available, the phone will automatically select the best band.

For smartphones Huawei (EMUI):

  • 🔄 Log in Settings → Wireless & networks → Wi-Fi.
  • 🔄 Click on the connected network and select Change network.
  • 🔄 Turn on the option Advanced Settings → Preferred Band: 5 GHz.

4. SSID separation for 2.4 GHz and 5 GHz

Many routers use the same one by default. SSID (network name) for both bands. This is convenient, but Android devices often get stuck in this case. 2.4 GHz, even if 5 GHz available. The solution is to separate the networks by assigning them different names.

How to split SSID:

  1. Go to your router settings (usually 192.168.0.1 or 192.168.1.1).
  2. Find the section Wireless network or Wi-Fi.
  3. For the range 2.4 GHz leave the current name (eg MyWiFi).
  4. For the range 5 GHz add a suffix, for example MyWiFi_5G.
  5. Save the settings and reboot the router.

Now the list of networks on your phone will display two networks: MyWiFi (2.4 GHz) and MyWiFi_5G (5 GHz). You can manually select the desired range. This is also useful if some devices in the house (such as smart light bulbs) only work on 2.4 GHz.

⚠️ Note: After splitting the SSID, some devices (such as printers or security cameras) may lose connection. If this happens, reconnect them, selecting the correct network.
Why does Android choose 2.4 GHz instead of 5 GHz?

Android's connection algorithms are optimized for power saving. The 2.4 GHz band has a longer range and lower power consumption, so the system often selects it by default, even if 5 GHz is available. Splitting the SSID or forcing band selection in the phone settings solves this problem.

5. Speed ​​test and problem diagnosis

After connecting to 5 GHz It's important to verify that the speed has actually increased. To do this:

Step 1: Speed ​​test. Use apps Speedtest by Ookla or Fast.comRun the test on 2.4 GHz, then reconnect to 5 GHz and repeat the measurement. The difference should be noticeable: 5 GHz the speed is usually 2-5 times higher (for example, 300 Mbps instead of 70 Mbps).

Step 2: Check the channel. Install the application WiFi Analyzer and see what channel your network is on 5 GHzIf the channel is overloaded (there are many neighbors on the same channel), change it in the router settings to a less loaded one (for example, with 36 on 48).

Step 3: Interference diagnostics. If the speed is on 5 GHz unexpectedly low, check:

  • 📡 Distance to router: 5 GHz The signal penetrates walls worse. If you're far from the router, the signal may weaken.
  • 📡 Interference from other devices: Microwaves, wireless mice, or Bluetooth speakers can create noise at a frequency 5 GHz.
  • 📡 Router settings: Make sure the channel width is not set to 20 MHz - this will limit the speed.

Critical information: If the speed on 5 GHz is lower than on 2.4 GHz, there may be a problem with your phone's Wi-Fi driver. Update your device's firmware or reset your network settings (Settings → System → Reset → Reset Wi-Fi settings).

6. Solving typical problems

Even after all the settings, the connection to 5 GHz may not work. Let's look at the most common errors and their solutions.

Problem 1: The phone does not see the 5 GHz network

  • ❌ Cause: No support 5 GHz in the phone or the range is disabled in the router.
  • ✅ Solution: Check your phone's specifications (Section 1) and router settings (Section 2). If your phone is old, it may need to be replaced.

Problem 2: 5GHz connection drops

  • ❌ Cause: Weak signal (you are far from the router) or interference on the channel.
  • ✅ Solution: Move closer to the router or change the channel in its settings (Section 5). Also, check if your phone is overheating, as this can cause Wi-Fi disconnects.

Problem 3: 5GHz speed is slower than 2.4GHz

  • ❌ Cause: Incorrect channel width, congested channel, or outdated Wi-Fi driver.
  • ✅ Solution: Set the channel width 40 MHz or 80 MHz in the router. Update your phone's firmware. If that doesn't help, try a different channel (for example, 149–165 for DFS).

Problem 4: Android automatically switches to 2.4 GHz

  • ❌ Cause: On Smart Connect on the router or the power saving algorithm on the phone.
  • ✅ Solution: Turn it off Smart Connect in the router (section 2) and separate the SSID (section 4). On your phone, disable adaptive brightness and power saving mode.

7. Alternative connection methods

If standard methods don't work, try these options:

Method 1: Force connection via ADB.

For advanced users: You can manually set the preferred range via ADB (Android Debug Bridge). To do this:

  1. Turn on Developer mode on your phone (Settings → About phone → tap "Build number" 7 times).
  2. Turn on USB debugging in the developer menu.
  3. Connect your phone to your PC and run the command: 
    adb shell settings put global wifi_frequency_band 5

    This will force the priority to be set for 5 GHz.

To return to automatic selection, run: 

adb shell settings put global wifi_frequency_band 0

Method 2: Using third-party applications.

Apps like WiFi Master or NetSpot allow you to manually select the band and channel for connection. However, they require root rights on some devices.

Method 3: Update firmware.

Manufacturers sometimes fix Wi-Fi issues with updates. Check for updates in Settings → System → Software UpdateIf there are no official updates, you can consider custom firmware (for example, LineageOS), but this is risky and will void the warranty.

Frequently asked questions

My phone supports 5 GHz, but it can't find the network. What should I do?

1. Check if the range is enabled 5 GHz in the router settings.

2. Make sure the network name (SSID) for 5 GHz differs from 2.4 GHz.

3. Try disabling 2.4 GHz in the router temporarily - if the network 5 GHz will appear, the problem is in the router settings.

4. Update the firmware of your phone and router.

How do I know what band my Android is connected to?

Install the application WiFi Analyzer or Network AnalyzerThe information about the connected network will indicate the range (2.4 GHz or 5 GHz). Also some phones (for example, Samsung) show this in the advanced Wi-Fi settings.

Is it possible to use 2.4GHz and 5GHz at the same time?

Yes, if the router supports it Dual BandYou can connect some devices (for example, a smartphone) to 5 GHz, and others (smart light bulbs, printers) - to 2.4 GHzTo do this, split the SSID (section 4).

Why is the Internet slower on 5 GHz than on 2.4 GHz?

Possible reasons:

— Weak signal (you are far from the router).

— Interference on the channel (check in WiFi Analyzer and change the channel).

— Incorrect channel width (set 40 MHz or 80 MHz).

— Outdated Wi-Fi driver on your phone (update firmware).

Will 5GHz work through walls?

Range 5 GHz passes through obstacles worse than 2.4 GHzIf there are 2-3 walls between you and the router, the signal may weaken. Solutions:

- Use it Mesh system or a Wi-Fi repeater.

— Move the router closer to the place of use.

— Install an external antenna (if the router supports it).

📖 Read also

My phone disconnects from WiFi on its own: causes and solutions Why does my phone lose network connection? A complete guide to troubleshooting WiFi drops on Android and iOS. Settings, reset How to find the name of a Wi-Fi network on your phone – instructions 2026 Step-by-step guide: how to view the name of a connected Wi-Fi network on Android and iPhone. Methods for How to enable Wi-Fi calling on Xiaomi: a complete guide A detailed guide: how to activate Wi-Fi Calling on Xiaomi smartphones. Troubleshooting display issues How to Disable Wi-Fi Downloads on Samsung: A Complete Guide Detailed instructions for disabling auto-updates and downloads via Wi-Fi on Samsung smartphones. Settings Why Wi-Fi Turns Off on My Phone: Causes and Solutions Find out why your phone's Wi-Fi keeps turning off. A full breakdown of the causes, software errors, and solutions. How to set up a cell phone for Wi-Fi: step-by-step instructions A detailed guide on connecting your smartphone to Wi-Fi. We'll solve Android and iOS problems and set things up.