How to connect Wi-Fi to the Xiaomi Redmi 9: A complete guide with photos

Smartphone Xiaomi Redmi 9 remains a popular choice due to its balance of price and functionality, but even with such a device, users sometimes encounter difficulties when first connecting to a wireless network. Unlike flagship models, budget smartphones can have interface nuances. MIUI, which can be confusing for beginners. This article will help you figure out how to set it up correctly. Wi-Fi on Redmi 9 — from basic connection to solving typical problems.

We will consider not only the standard method through the settings menu, but also alternative methods: connecting via QR code, using the button WPS on the router, as well as diagnostics of common errors like "Authentication failed" or "Saved, but no internet access." We'll pay special attention to security settings—why? Redmi 9 may refuse to connect to networks with outdated encryption protocols (eg WEP) and how to fix it.

If you have just purchased a smartphone or are experiencing problems after updating MIUIThis guide will serve as your guide. All steps are illustrated with screenshots from the current firmware version (at the time of publication), and at the end of the article, you'll find answers to frequently asked questions and tips for optimizing Wi-Fi performance on Redmi 9.

1. Preparing to connect: What to check before setting up Wi-Fi

Before you go into your smartphone settings, make sure the problem isn't with the signal source itself. Here's 4 key pointsthat are often overlooked:

  • 📶 The router is turned on and distributing the networkCheck the indicator lights on the device. On most models, the Wi-Fi icon (usually wavy lines) should be green or blue.
  • 🔒 The network password is knownIf you're connecting to someone else's network (for example, at a cafe), check the current password—it may have changed after rebooting the router.
  • 📱 Airplane mode is disabled: on Redmi 9 It's activated by swiping down from the top edge of the screen (the airplane icon). In this mode, all wireless modules, including Wi-Fi, are blocked.
  • 🔄 No MAC address restrictionsSome routers are configured to only allow authorized devices to connect. Check the list of authorized devices in the router's web interface. MAC addresses.

If you are connecting to your home network but don’t remember the password, you can find it on the sticker on the bottom of the router (field Wi-Fi Password or Network Key). For public networks (for example, MTS_Free_WiFi or RT-WiFi) may require authorization via SMS or a portal - this is usually indicated by a notification upon first connection.

⚠️ Attention: If your router uses a frequency 5 GHz, A Redmi 9 doesn't see the network, try temporarily switching to 2.4 GHz in the router settings. Budget Xiaomi models may have limited range support. 5 GHz in some regions.
📊 How do you usually connect new devices to Wi-Fi?
Via password
By QR code
WPS button
I'm calling a specialist
Another way

2. Standard method: connecting via Android settings

This is the most reliable and universal method that works on all versions. MIUIFollow the step-by-step instructions:

  1. Open Settings (gear icon on the desktop or in the application menu).

  2. Go to the section Wi-Fi (in some versions MIUI it can be called Connections → Wi-Fi).

  3. Activate the slider Wi-Fi at the top of the screen (it will turn blue).

  4. Select the desired network from the list of available networks. If the network is not listed, click Refresh (round arrow in the upper right corner).

  5. Enter your password (case sensitive!) and click Connect.

If the connection is successful, an icon will appear next to the network name. , and in the status bar (at the top of the screen) there is a signal strength indicator. To check internet access, open a browser and try loading any page (for example, m.google.com).

The network is checked in the Wi-Fi list|

There is a Wi-Fi icon in the status bar|

The browser loads pages without errors|

Download speed matches the plan (check in Speedtest)-->

If after entering the password the error "Authentication failed", try:

  • 🔄 Reboot the router (unplug it from the socket for 30 seconds).
  • 📱 Remove a network from those saved on your phone: tap its name in the list → Delete.
  • 🔐 Make sure the password is entered without spaces and in the correct case (for example, Password123password123).

3. Alternative connection methods

If the standard method doesn't work or you want to speed up the process, try one of these options. They're especially useful in public spaces or when setting up guest access.

3.1. Connection via QR code

Many modern routers (for example, TP-Link, Keenetic, ASUS) generate a QR code with the login details. This is convenient if the password is long or contains special characters. How it works Redmi 9:

  1. Find the QR code on the router sticker or generate it in the web interface (section Wi-Fi → QR code).

  2. Open it on your phone Settings → Wi-Fi and tap on the QR code icon in the upper right corner (or select Connect via QR code).

  3. Point the camera at the QR code. Your phone will automatically connect to the network.

⚠️ Attention: Don't scan Wi-Fi QR codes from untrusted sources (such as those printed in public places). Attackers can create a fake network to intercept your traffic.

3.2. Connection via WPS

WPS (Wi-Fi Protected Setup) allows you to connect to your router without entering a password—just press the button on the device. This method works if the router supports WPS (usually there's a button labeled WPS or the two arrows icon).

Instructions for Redmi 9:

  1. Go to Settings → Wi-Fi → Advanced → WPS (in some versions MIUI the path may differ: Settings → Connections → Wi-Fi → WPS).

  2. Click Connect via WPS.

  3. Press the button within 2 minutes WPS on the router. The connection will be established automatically.

If the buttons WPS there is no function on the router, check if it can be activated via the web interface (section Wi-Fi → WPS). Some models (for example, Zyxel Keenetic) allow you to enable WPS programmatically.

What to do if WPS doesn't work?

If your phone doesn't connect after pressing the button on the router, try:

1. Restart the router and phone.

2. Make sure that WPS is enabled in the router settings (sometimes it is disabled by default).

3. Use a different connection method - WPS is considered an outdated protocol and may be blocked on some devices for security reasons.

4. Configure Wi-Fi settings for stable operation

Even if the connection is successful, you may encounter problems with speed, connection breaks or automatic switching to mobile InternetThese parameters will help optimize the work:

Parameter Recommended value Where to change
Wi-Fi mode 802.11n/ac (for maximum speed) or 802.11b/g/n (for compatibility) Router Settings → Wireless Network → Operating Mode
Channel width Auto or 20/40 MHz Router Settings → Wireless Network → Channel
DNS servers 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google) Phone Settings → Wi-Fi → Advanced → IP Settings → Static → DNS
Proxy No (if you don't use it) Phone Settings → Wi-Fi → Advanced → Proxy

If Redmi 9 It keeps losing connection, try disabling the feature. Adaptive Wi-Fi in the phone settings (Settings → Wi-Fi → Advanced → Adaptive Wi-Fi). This option automatically switches the device to mobile data when the signal is weak, but sometimes it does not work correctly.

5. Solving common errors

Even after entering the password correctly Redmi 9 may produce errors. Let's look at the most common ones and how to fix them.

5.1. "Saved, but without internet access"

This error means the phone is connected to the router, but it's not providing network access. Causes and solutions:

  • 🔌 Problems on the provider's side: Restart your router and check if the Internet works on other devices.
  • 📡 Incorrect IP settings: go to Settings → Wi-Fi → [your network] → Advanced and install Obtain an IP automatically.
  • 🔒 MAC address blocking: add MAC address yours Redmi 9 to the list of allowed devices on the router. You can find it in Settings → About phone → General information → Wi-Fi MAC address.

5.2. "Authentication failed"

The error appears due to an incorrect password or incompatible security settings. Check:

  • 🔐 Encryption type: Redmi 9 does not support legacy WEPIn the router settings, select WPA2-PSK or WPA3-PSK.
  • 📵 Limit on the number of devices: Some routers block new connections if the limit is exceeded (usually 10-20 devices).
  • 🔄 Reset network settings: on your phone, go to Settings → System → Reset settings → Reset Wi-Fi, mobile network, and Bluetooth settings.

5.3. The phone does not see the 5 GHz network

Redmi 9 supports both frequencies (2.4 GHz And 5 GHz), but sometimes the network 5 GHz may not be displayed. Solutions:

  • 📶 Check the network name: some routers share 2.4 GHz And 5 GHz to different SSIDs (for example, MyWiFi_2G And MyWiFi_5G).
  • 🔧 Enable 5 GHz support in the router settings (section Wireless Network → Frequency).
  • 📱 Update your phone's firmware: come in Settings → About phone → System update.
⚠️ Attention: If your router uses 160 MHz channel width at frequency 5 GHz, Redmi 9 It may not see the network. Try setting the channel width. 80 MHz or Auto.

6. Optimize Wi-Fi to save battery life

Having Wi-Fi on all the time drains your battery, especially if the signal is weak. Redmi 9 You can adjust the balance between performance and power consumption:

  • 🔋 Disabling Wi-Fi in Sleep Mode: go to Settings → Wi-Fi → Advanced → Connect to Wi-Fi during sleep and select Never (if you don't need nightly updates).
  • 📊 Limit background traffic: V Settings → Applications → Data Management Disable background activity for unnecessary apps.
  • 🔍 Search for networks: Turn off automatic search in Settings → Wi-Fi → Advanced → Always scan for networks (This will reduce battery consumption in areas with a lot of access points).

If you often move between different networks (home, work, cafe), enable the option Automatic connection to open networks (Settings → Wi-Fi → Advanced). However, be careful: open networks may not be secure for transmitting sensitive data.

7. Resetting network settings: a last resort

If none of the methods helped and the Wi-Fi problems persist, try reset network settingsThis will delete all saved networks, passwords, and connection settings, returning them to factory defaults. Instructions:

  1. Open Settings → System → Reset settings.

  2. Select Reset Wi-Fi, mobile network, and Bluetooth settings.

  3. Confirm the action by entering the PIN code or pattern.

  4. After restarting your phone, try connecting to Wi-Fi again from scratch.

This method also helps if after the update MIUI The Wi-Fi icon in the status bar has disappeared, or the phone has stopped detecting any networks. After resetting, it's recommended to reboot the router as well.

⚠️ AttentionResetting network settings doesn't affect your personal data (photos, contacts, messages), but it does delete all saved Wi-Fi passwords and paired Bluetooth devices. Write down important passwords beforehand.

FAQ: Frequently asked questions about Wi-Fi on the Redmi 9

My Redmi 9 connects to Wi-Fi, but pages won't load. What should I do?

The problem may be with the DNS servers. Try manually entering Google's DNS (8.8.8.8 And 8.8.4.4) in the network settings:

  1. Go to Settings → Wi-Fi.
  2. Tap on your network name → Change networkAdditionally.
  3. In the section IP settings select Static.
  4. Into the fields DNS 1 And DNS 2 Enter Google addresses.
  5. Save the changes and restart your phone.

If that doesn't help, check your router settings - it might be blocked by MAC address or parental controls are enabled.

How can I find out the password for a Wi-Fi network my Redmi 9 is already connected to?

On Redmi 9 There is no built-in function for viewing saved passwords, but you can bypass this limitation:

  1. Install a file manager with access to root folders (for example, Solid Explorer or FX File Explorer).
  2. Follow the path /data/misc/wifi/WifiConfigStore.xml (root rights required!).
  3. Find the line with the name of your network - the password will be indicated in the tag <Password>.
Without root rights It's easier to look at the password in the router settings (usually 192.168.1.1 or 192.168.0.1, login/password — admin/admin).

Why is Redmi 9 slow on Wi-Fi, while other devices work fine?

Possible causes and solutions:

  • 📶 Weak signalCheck your Wi-Fi signal strength in your settings. If it's weak (1-2 bars), try moving closer to the router or using a repeater.
  • 🔧 Speed ​​limit on the router: Some models artificially limit the speed for individual devices MAC address.
  • 📱 Background applications: Close all programs in multitasking and check the speed again (for example, through Speedtest).
  • 🔄 Outdated firmware: update MIUI to the latest version in Settings → About phone → System update.

Also try changing the Wi-Fi channel on your router (for example, from Auto on 6 or 11 For 2.4 GHz).

Is it possible to share the Internet from Redmi 9 to other devices?

Yes, Redmi 9 supports the function access points (Wi-Fi Hotspot). To use it:

  1. Open Settings → Hotspot & Tethering.
  2. Select Wi-Fi hotspot.
  3. Set up a network name (SSID) and password.
  4. Activate the slider Wi-Fi hotspot.
Important: Sharing your internet connection quickly drains your battery. Keep your phone charged if you plan to use it as a router for an extended period.

How do I disable automatic connection to open networks?

By default Redmi 9 It can connect to open networks (such as those at airports or cafes), which isn't always safe. To disable this feature:

  1. Go to Settings → Wi-Fi → Advanced.
  2. Disable the option Automatic connection to open networks.
  3. It is also recommended to disable Open Network Notificationsto avoid accidental connections.

For added security, install a VPN (eg. ProtonVPN or Windscribe) when using public networks.