Why Xiaomi is not connecting to Wi-Fi: a complete troubleshooting guide

You try to connect your Xiaomi Redmi, POCO or Mi to Wi-Fi, but the device stubbornly ignores the network, issues an authentication error or constantly loses connection? The problem is familiar to millions of users – according to statistics from service centers, 37% of calls on Xiaomi smartphones are due to problems with Wi-Fi. The reasons can lie in the settings of the router and in the software failures of the device itself.

In this article, we’ll look at all possible scenarios, from commonplace password errors to deep system failures requiring flashing. You’ll learn how to diagnose a problem in 2 minutes, what router settings are interfering with Xiaomi’s connection, and what to do if a smartphone “can’t see” even open networks. And for owners of older models (such as the Redmi 4X or Mi A1), we’ve prepared some recommendations – their hardware often suffers from hardware limitations on modern Wi-Fi 6 standards.

1. Checking the basic parameters: 5 steps before a deep diagnosis

Before digging into router settings or resetting your smartphone to factory settings, make sure the problem isn't on the surface. In 60 percent of cases, a simple typo in your password or a disconnected Wi-Fi module on your device is to blame.

Here is the list of priority actions:

Make sure Wi-Fi is turned on on on your smartphone (swipe down → Wi-Fi icon)

Check that the router is on and the Wi-Fi indicator is on/blinking

Restart the router (pull out the plug for 30 seconds)

Try connecting to another network (neighbor, public Wi-Fi)

Make sure that there is no lock on the mobile operator’s account for debts (relevant for combo devices with SIM).+Wi-Fi)-->

If Xiaomi is still out of the grid after this manipulation, move to the next section. Special attention: some models (such as the POCO F3) have a power-saving flight mode that blocks Wi-Fi even when the module is on. To turn it off, go to Settings → Battery → Power Saving Mode → Additional.

2. Authentication error: what to do if Xiaomi says "Saved but not connected"

The message "Save WPA/WPA2 protection" or "Authentication..." that hangs forever is one of the most common problems that arises when a smartphone can't confirm a password despite you entering it correctly, because of incompatibility of security protocols or a failure in the network settings cache.

Methods of solution (try in order):

• 🔄 Change the type of security on the router: go to the admin panel (usually 192.168.0.1 or 192.168.1.1) and in the Wi-Fi settings, select WPA2-PSK (AES). Give up. WPA3 or mixed treatment WPA/WPA2 — Many of the Xiaomis (especially the ones) MIUI 12 and below, they are not supported.
• 📱 Remove the network from the device memory: go to Settings → Wi-Fi, tap on the problem network → Delete it. Then connect again.
• 🔐 Try a password without special characters: some firmware MIUI They're bugging passwords that contain!, @, # and Cyrillic. Change the password to Latin with numbers.
• 🕒 Change the router region: in the settings of the Wi-Fi router find the parameter Country/Region and select United States or Europe (sometimes helps with conflicts with local standards).

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If you have a dual-band router (2.4GHz + 5GHz), try connecting separately to each band.Some Xiaomi (like the Redmi Note 8 Pro) does not work well with 5GHz on channels above 100.

If nothing helps, the problem may be MAC-Filtering on the router. Go to the admin panel, find the partition. MAC Check the filter and check if it is blocked. MAC-It is also worth temporarily disabling firewall or DDoS protection - they sometimes block new devices.

3 Xiaomi does not see Wi-Fi network: causes and solutions

The situation when the smartphone does not display available networks at all (or sees only some) is most often due to incompatibility of Wi-Fi standards or hardware limitations. For example, older models like Redmi 3S do not support Wi-Fi 5 (802.11ac), and the new Xiaomi 13 can conflict with outdated routers on 802.11b.

Diagnostics and solutions:

For owners of POCO X3, Redmi Note 10 and other models with MediaTek Helio, there is a separate recommendation: these chipsets sometimes conflict with routers TP-Link and ASUS due to aggressive energy saving. To fix, turn off the option in the Wi-Fi settings on your smartphone to turn on Wi-Fi automatically and Scan the network in sleep mode.

TP-Link

ASUS

Xiaomi Mi Router

D-Link

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4. Permanent connection breaks: why Xiaomi is disconnecting from Wi-Fi

If the smartphone is connected to the network, but through 5–30 minutes connection breaks, usually to blame for the settings of energy saving or conflict IP-This is a problem that is particularly relevant for devices on the Internet. MIUI 13/14, where aggressive battery optimization can turn off the Wi-Fi module in the background.

How to fix it:

• ⚡ Turn off power saving for Wi-Fi: Go to Settings → Battery → Power Saving Mode. Select No restrictions for Wi-Fi applications (e.g. YouTube, browser). Disable Adaptive Battery and Optimization MIUI.

Lock it down. IP-address

1. In the router settings, find DHCP Reservation.
2. Tie it up. MAC-The address of your Xiaomi to static IP.

Change the width of the channel

20 MHz

40 MHz

Auto

Update router firmware

For devices with MIUI 12.5+, there’s a hidden setting that can help: activate Developer Mode (7 taps on MIUI Version in Settings → About Phone), then go to Settings → Additional → Developer Settings and turn off Aggressive Wi-Fi Shutdown.

5 Problems After MIUI Update: How to Get Wi-Fi Back

MIUI updates often bring not only new features, but also bugs with Wi-Fi. For example, after the release of MIUI 14, users of Xiaomi 12 and POCO F4 complained en masse about the inability to connect to networks with WPA3, in such cases, the rollback of settings or forced reboot of network services helps.

Instructions for remediation:

1. Reset network settings: Settings → System system → Resetting settings → Reset your Wi-Fi, mobile network and Bluetooth settings ⚠️ Warning: This will delete all saved Wi-Fi passwords and associated Bluetooth devices.
2. Clear the cache of Google services: Settings → Apps → App management → Three dots (menu) → Show system → Google Play Services → Storage → Clear the cache
3. Turn it off. VPN Proxies: Some of the firmwares are in conflict with VPN-applications (e.g. 1.1.1.1 or NordVPN).
4. Install the MIUI beta: If the problem is massive, Xiaomi will often release patches in the beta channel. Subscribe to it in Settings → About Phone → System Update → Three Points → Settings → Select the beta version.

If Xiaomi has stopped seeing only 5GHz after the update, check if the router settings have reset, MIUI 13.0.4) conflict with encryption WPA3-SAE 5 GHz, the solution is to return. WPA2-PSK or update the router.

6. Hardware malfunctions: when the Wi-Fi module is to blame

If none of the software methods worked, the problem could be a physical Wi-Fi failure, which is true for devices that:

• 💥 Falling from a height (especially to the corner where the module is located).
• 🌊 Contact with moisture (even if there is no visible trace of corrosion).
• ⚡ Underwent unskilled repairs (for example, after replacing the battery).
• 🔥 Overheated (constant operation at temperatures above 60)°C destroys the soldering of the module).

How to diagnose a hardware malfunction:

1. Check the Wi-Fi indicator: if it is gray (not blue) or not in the status bar at all, the module is faulty.
2. Connect to USB-Modem: If the smartphone can’t see it, the problem is the antenna or controller.
3. Call contacts (for advanced users): disassemble the device and check the multimeter power chain of the Wi-Fi module.

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If your smartphone stops seeing Wi-Fi after falling or getting moisture, don’t try to flash it – this can aggravate the problem. Contact the service center for diagnosing antenna soldering or replacing the module (cost for Xiaomi is between 1,500 and 4,000). ₽).

For the Redmi Note 9 Pro and POCO X3 NFC, there is a well-known problem with the antenna cable rolling off the Wi-Fi module. If you are familiar with repairs, you can try to solder it yourself (you need a soldering iron with a thin sting and a flux RMA-223).

7. Features of specific Xiaomi models

Some Xiaomi devices have unique Wi-Fi bugs associated with their hardware or firmware, and here are the most common cases:

For Xiaomi Mi A2/A3 (devices running pure Android One), there is a separate instruction: if Wi-Fi does not turn on after reset, you must manually install the file persist via fastboot.

fastboot flash persist persist.img


fastboot reboot

The persist.img file can be downloaded from the XDA Developers forum (the section of your model).

FAQ: Frequent questions about Wi-Fi issues on Xiaomi