Why Wi-Fi is not connected on Xiaomi phone: a full analysis of the causes and solutions

You're trying to connect to your home network, but Xiaomi's phone is stubbornly ignoring Wi-Fi? Or is it connecting but the internet isn't working? This problem is familiar to many owners of Redmi, Poco and Mi smartphones, from budget models to flagships. 80% of the time, the fault is not in hardware, but in software failures or incorrect settings.

We analyzed 12 of the most common reasons why Wi-Fi might not work on Xiaomi, and collected proven solutions from basic (router reboot) to advanced (dash network settings via ADB).

• 🔍 Diagnosis – how to determine what exactly is the problem: in a phone, router or provider.
• ⚙️ Step-by-step instructions for different versions MIUI (including MIUI 14 and HyperOS).
• ⚠️ Warnings about common mistakes that exacerbate the problem.
• 📱 Features for specific models (Redmi Note 12, Poco) X5, Mi 11 and others.).

If you've tried to reboot your phone and router, but the result is zero, don't rush to bring the device to the service. In 9 out of 10 cases, you can solve the problem yourself in 5-15 minutes.

Basic checks: router, network and phone

Before digging deep into MIUI settings, make sure the problem isn't on the router or ISP side.These steps take 2-3 minutes, but rule out 30% of possible causes.

Check other devices: connect a laptop, tablet or other phone to the same network; if Wi-Fi doesn't work, there's a problem with the router or ISP; if it works, it's your Xiaomi fault.

• 🔄 Reboot the router: remove the plug from the socket for 30 seconds, then turn it back on. Wait for full load (the indicators will stop blinking).
• 📡 Check network range: if your router is broadcasting in two bands (2.4 GHz and 5 GHz), try connecting to another. on Xiaomi, autoconnection to 5 GHz sometimes crashes.
• 🔌 Turn it off. VPN/Proxy: If you have installed applications like 1.1.1.1 NordVPN, they can block access to local networks.

A critical mistake many users make: ignoring the updates of the router’s firmware.Odd-of-date router software (especially on TP-Link and D-Link models older than 2020) conflicts with modern Xiaomi smartphones on MIUI 13+.

⚠️ If after restarting the Wi-Fi router on Xiaomi connects, but after 5-10 minutes falls off again – the problem is in the DHCP-Solution: Set the router's settings to lock in. IP-address MAC-phone address.

2. Wi-Fi settings on Xiaomi: What could have gone wrong

Network failures in MIUI are the most common cause of Wi-Fi problems, and even if you didn’t change anything, a system update or Conflict with apps could reset the settings.

How to open advanced Wi-Fi settings:

1. Go to Settings. → Wi-Fi.
2. Tap on the name of your network (not on the switch!).
3. Select Change Network or Additional Settings (depending on the MIUI version).

• 🔒 Check the type of security: if the router is using WPA3, phone — WPA2, You can't connect. You can install it on the router. WPA2/WPA3 Mixed.
• 📶 Turn off the "Smart Connection": in MIUI There's a 2.4 GHz and 5 GHz autoswitch that gets bugged a lot. Turn it off in the network settings.
• 🔄 Reset network settings: Settings → Memory. → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth.

On the Poco X3 Pro and Redmi Note 10, users often encounter a bug when the phone forgets the Wi-Fi password after the update, solution: delete the network from the saved ones and connect again.

Make sure the problem is not on the router’s side|Check the connection of other devices|Write down a Wi-Fi password|Shut down. VPN/proxy|Try a different range (2.4/5 GHz)-->

3. Software glitches: cache, updates and conflicts

If Wi-Fi doesn't work after you update MIUI or install a new app, it's the software that's to blame, and most often, the problem is solved by cleaning the cache or rolling back the updates.

Cleaning the cache of network services:

1. Go to Settings → Applications → Application Management.
2. Slip on the three points in the upper right corner → Show system.
3. Find Wi-Fi and Settings, open them in turn and select Clear Cache.

Rejection of MIUI updates:

If Wi-Fi stopped working after the update, try to roll back to the previous version.

1. Download the firmware from the official Xiaomi website (select your model and region).
2. Rename the file to update.zip and place it in the root of the phone’s memory.
3. Go to Settings → About Phone → System Update, tap on three points → Select a firmware file.

⚠️ Warning: Rolling back the firmware will reset all phone settings to factory. → Additionally. → Backup and reset.

Hardware problems: when the "iron" is to blame

If all software methods have been tried, but Wi-Fi still doesn't work, the antenna or Wi-Fi module may malfunction.

• 💥 Falling from a height (especially to the angle where the antenna is located).
• 🌊 Contact with water (even if the phone was still working).
• 🔧 Disassembled for repair (e.g. battery replacement).

How to check for hardware malfunction:

1. Turn on Airplane Mode, then turn on only Wi-Fi, and if the network doesn't show up, the module is the problem.
2. Hold the phone close to the router (10-20 cm) If the signal does not appear, the antenna is faulty.
3. Try connecting to another network (such as a cafe or friends' office) if it doesn't work anywhere, 99% of it is iron.

On the Redmi Note models 8/9 POCO X3 It's often the Wi-Fi antenna contact that's moving away from the motherboard. 1–2 hour (cost of repair: 800–1500 ₽).

⚠️ Note: If you notice that Bluetooth or Wi-Fi stopped working GPS — It's almost guaranteed to be a hardware breakdown. At Xiaomi, these modules are often combined into a single chip.

5. Features of MIUI and HyperOS: hidden settings

MIUI and the new HyperOS have hidden features that can affect Wi-Fi performance, such as “network optimization” that blocks connections.

How to disable hidden restrictions:

1. Activate Developer Mode: Settings → About Phone → MIUI version (tap 7 times).
2. Back to Settings → Additionally. → For developers.
3. Find and Disable: Background Traffic Limitation Wi-Fi Optimization Adaptive Wi-Fi Backlighting (if available)

HyperOS (new firmware for Xiaomi 13/14) has added Wi-Fi Assistant, which automatically connects to “safe” open networks. If it interferes, turn it off in Settings → Wi-Fi → Additional.

💡

If you've gotten slower since you upgraded to HyperOS, try manually setting the 20 MHz channel width in your router settings, which is a firmware that doesn't work well with 40 MHz channels or wider.

6.Problems with MAC-address and filtering

Some routers block devices by MAC-If your Xiaomi suddenly stopped connecting to Wi-Fi that didn't exist before, check it:

• 🔒 Filtration MAC-Addresses in router settings (wireless section) → MAC Filter).
• 🔄 Shift. MAC-Addresses on the phone (sometimes) MIUI accidentally changes it).
• 📱 Conflict with another device (if there are two devices on the network with the same device) MAC).

How to see MAC-Xiaomi address:

Go to Settings. → The phone. → General information → Status (or Settings) → Wi-Fi → Additionally. → MAC-address).

If you MAC-The address starts at 02:00:00, which means that the phone is using a virtual phone. MAC (privacy function MIUI 12+). To turn it off:

1. Go to Settings → Wi-Fi → Additional → Privacy.
2. Turn off the option to use random MAC.
3. Reconnect to the network.

7.When to contact the service: signs of serious breakdowns

If you’ve tried all the methods in this article, but Xiaomi’s Wi-Fi still doesn’t work, it’s time to call a specialist. Here are 5 signs that the problem is hardware:

• 📵 Wi-Fi does not turn on at all (grey switch in settings).
• 🔍 The phone doesn’t see any network (even in public places).
• 🔥 After falling or getting moisture, Wi-Fi and Bluetooth stopped working.
• 🔄 The network is connected, but after 1-2 seconds it is disconnected (cyclically).
• 🛠️ In Settings → The phone. → Diagnosis has errors associated with WLAN.

The cost of repair in official Xiaomi services:

Before the service visit:

1. Make a backup of your data (via Mi Cloud or computer).
2. Record the phone's IMEI (*#06#).
3. Check if the service has original parts for your model.

💡

If the phone is warranty, DO NOT open it yourself! In official Xiaomi services, repair warranty costs in 0 ₽, If the failure is not the fault of the user.

FAQ: Frequent questions about Wi-Fi on Xiaomi