You open Xiaomi Redmi Note 12 or POCO X5 ProYou see that your phone has successfully connected to your home Wi-Fi network, but your browser stubbornly displays "No internet connection," and your messaging apps aren't updating. Sound familiar? This problem occurs on all smartphones. Xiaomi - from budget Redmi A2 to the flagship Mi 14 Ultra — and has at least seven different causes. In 80% of cases, it can be fixed independently without calling a service center.
In this article we will look at all possible scenarios, Why Xiaomi Connects to Wi-Fi but doesn't access the internet: from trivial errors in the router settings to specific firmware bugs MIUI. You will receive step-by-step instructions with illustrations (for key steps), a compatibility table of solutions with smartphone models, and A unique diagnostic method that will help you identify the root of the problem in 2 minutes.Let's start with the simplest thing—checking whether the phone is really at fault, and not the router or ISP.
1. Diagnostics: is the phone or the router to blame?
Before you dig into the settings Xiaomi, make sure that the problem is not on the equipment or provider side. Here three quick tests, which will help to exclude external factors:
- 📱 Check other devices: Connect your laptop, tablet or second phone (not Xiaomi). If the internet works, the problem is definitely with your smartphone. If not, the router or ISP is to blame.
- 🔄 Reboot your routerUnplug the router for 30 seconds, then plug it back in. Wait until it fully boots up (the lights should be steady). This resolves the issue in 30% of cases.
- 🌐 Try mobile internet: Turn on mobile data on Xiaomi and check if the internet is working over 4G/5G. If so, the problem is definitely with your Wi-Fi connection.
If after these steps the internet is on Xiaomi If it still doesn't work, but everything works fine on other devices, proceed to the next sections. If the problem is with your router, check out our guide on troubleshooting a router (section at the end of the article).
2. Resetting network settings: a universal solution
The most effective and secure way to restore Wi-Fi functionality on Xiaomi — reset network settings. This will delete all saved networks, passwords, and VPN configurations, but will not affect personal data (photos, contacts, apps). These instructions apply to all versions. MIUI 12–14:
- Open
Settings → Connections and Sharing → Reset Wi-Fi, mobile network, and Bluetooth settings. - Click
Reset settingsand confirm the action with a password or fingerprint. - After restarting your phone, reconnect to Wi-Fi by entering the password.
This method works 60% of the time, eliminating IP address conflicts, corrupted DNS settings, and authentication errors. If the problem persists after resetting, proceed to the next steps.
Make sure you remember your Wi-Fi password|Save important VPN configurations (if you use one)|Close all internet-using apps|Connect your phone to a charger (in case of a long reboot)-->
3. Manual IP and DNS Assignment: If DHCP Doesn't Work
Sometimes the router cannot issue automatically Xiaomi The IP address is incorrect (DHCP error), or your ISP is blocking the default DNS servers. In this case, manual configuration will help. Follow the instructions:
- Go to
Settings → Wi-Fi, tap on the name of your network and selectChange network. - Enable the option
Additional options(orAdvanced settingsin older versions of MIUI). - In the section
IP settingsselectStaticinstead ofDHCP. - Fill in the fields as follows:
IP address:192.168.1.100(if the router has an address192.168.1.1)Gateway:192.168.1.1(your router's address)Network prefix length:24DNS 1:8.8.8.8(Google DNS) or1.1.1.1(Cloudflare)DNS 2:8.8.4.4(Google DNS)
If the internet works after these steps, the problem was an IP conflict or DNS blocking. To restore automatic address acquisition, select DHCP in the same settings.
4. Authentication Error: What to Do if Wi-Fi Keeps Disconnecting
If Xiaomi If your device connects to the network but loses connection after a few seconds with the message "Authentication Error" or "Saved, WPA/WPA2 Security," the problem lies in incompatible encryption methods. This most often occurs after updating the router or smartphone firmware. Solutions:
- 🔒 Change the security type on your router:
- Go to your router's control panel (usually at
192.168.1.1). - Go to
Wi-Fi Settings → Security. - Change it
Encryption typeWithWPA2-PSK (AES)onWPA/WPA2-PSK(mixed mode). - Save the settings and reboot the router.
- Go to your router's control panel (usually at
- IN
Settings → Wi-Fitap on your network and selectDelete. - Please reconnect by entering your password.
If none of these methods help, try temporarily disabling encryption completely (leaving the network open) and check if the internet is working. If so, the problem is definitely with your security settings.
Why does an authentication error occur?
This error occurs when the phone and router cannot agree on a data encryption method. For example, the router is attempting to use an outdated protocol. TKIP, A Xiaomi on MIUI 13+ supports only modern AESThe error may also occur if the password is entered incorrectly or if the router blocks the device by MAC address.
5. Conflict with VPN, proxy, or MIUI firewall
MIUI has a built-in firewall and VPN support, which sometimes block internet access even over Wi-Fi. If you use VPN apps (Turbo VPN, ProtonVPN) or configured the proxy manually, follow these steps:
- 🛡️ Disable VPN:
- Go to
Settings → Connections and Sharing → VPN. - Disconnect all active connections.
- Delete unnecessary VPN profiles (tap on the name and select
Delete).
- Go to
- 🔧 Reset proxy settings:
- Open
Settings → Wi-Fi, tap on your network →Change network. - In the section
ProxyselectNo(if there was one there)ManualorAuto).
- Open
- Go to
Settings → Applications → Permission Management → Autostart. - Find
FirewallorSecurityand disable autostart. - Restart your phone.
If you're using a corporate network with a proxy, make sure the settings are correct. To do this, request up-to-date information from your network administrator.
6. Update MIUI and reset to factory settings
If all the previous methods didn't work, the problem may lie in the firmware itself. MIUIOutdated versions or bugs in recent updates often cause Wi-Fi issues. Follow these steps:
- Check for updates:
- Go to
Settings → About phone → System update. - If an update is available, install it and restart your phone.
- Go to
- Perform a factory reset (if the update did not help):
- Back up your data via
Settings → Advanced → Backup & reset. - Select
Reset settings→Erase all data. - After rebooting, set up your phone as new and check your Wi-Fi.
- Back up your data via
A factory reset is a last resort, but it's guaranteed to resolve software conflicts. If the problem persists even after this, the cause may be hardware-related (e.g., a damaged Wi-Fi module).
7. Hardware malfunctions: when to contact service
If none of the software methods helped, it is possible physical damage:
- 📡 Damaged Wi-Fi module (often after falls or exposure to moisture).
- 🔌 Defective Wi-Fi antenna (there is a signal, but the connection is unstable).
- 🔋 Problems with module power supply (for example, after an unsuccessful repair).
How to diagnose a hardware failure:
- Try connecting to Wi-Fi in a different location (for example, at a cafe or a friend's house). If the problem persists, the phone is to blame.
- Turn on modem mode on Xiaomi and try sharing the internet connection with another phone. If Wi-Fi isn't available, the module is faulty.
- Check if it works BluetoothIf not, the general wireless communication module may be damaged.
The cost of repairing a Wi-Fi module Xiaomi It ranges from 1,500 to 5,000 rubles depending on the model. If the phone is under warranty, contact an authorized service center. Xiaomi.
8. Router-side issues: what to check
If the internet is not working on all devices, including XiaomiThe problem lies with your router or your ISP. Check the following:
| Problem | How to check | How to fix |
|---|---|---|
| No internet from the provider | Check if the indicators are on Internet or WAN on the router |
Reboot your router, check your cable, and call your provider's support team. |
| MAC address blocking | Try connecting another device | Add MAC address Xiaomi to the list of allowed ones (in the router settings) |
| Router overload | Check the number of connected devices (more than 10–15 may slow down the network) | Turn off unnecessary gadgets and reboot your router. |
| Incorrect PPPoE settings | Go to your router panel and check the section Internet or WAN |
Update your ISP login/password and select the correct connection type. |
If you rent a router from a provider, do not change its settings yourself—this may result in blocking. Contact technical support.
⚠️ AttentionRouter settings may vary depending on the model and firmware. If you're unsure, it's best to contact a specialist or your ISP's support team.
FAQ: Frequently Asked Questions about Wi-Fi on Xiaomi
Why is Wi-Fi working but pages won't open?
This is a typical DNS issue. Try manually entering Google's DNS servers (8.8.8.8 And 8.8.4.4) or Cloudflare (1.1.1.1) in the network settings. Also, check if a VPN or firewall is blocking the internet.
Wi-Fi stopped working after updating MIUI. What should I do?
Reset network settings (Settings → Connections and Sharing → Reset Wi-Fi settings) or roll back to the previous firmware version via FastbootIf it doesn't help, wait for a patch from Xiaomi or contact the service.
My phone connects to Wi-Fi, but the speed is very slow. What's wrong?
Check:
- Is the router overloaded (disconnect unnecessary devices).
- Is the phone too far from the router (move closer).
- Is the traffic saving mode enabled?
Settings → Battery. - Is someone using your network without your knowledge (change your Wi-Fi password).
On Xiaomi 5 GHz Wi-Fi isn't working, only 2.4 GHz. How can I fix it?
Make sure your router supports 5 GHz and that this network is enabled in its settings. On your phone, check that Settings → Wi-Fi → Advanced the mode is not disabled 5 GHzIf the problem persists, the 5 GHz antenna in your smartphone may be damaged.
Is it possible to use the Internet via Wi-Fi without a SIM card?
Yes, a SIM card does not affect Wi-Fi. Wi-Fi connection issues are not related to the lack of a SIM card. The exception is if the provider locks network access to a phone number (rarely seen on corporate networks).