Smartphone owners Xiaomi, Redmi And POCO Often encounter situations where the wireless connection speed drops for no apparent reason. The device may show a full signal strength, but browser pages load slowly, and videos constantly buffer. This is a common problem that is usually rooted in the operating system's software settings. MIUI or HyperOS.
The main reason is the aggressive battery optimizations the developers implemented into the shell to increase battery life. The system automatically limits background communication module activity, leading to unstable ping and connection drops. Fortunately, most of these restrictions can be manually removed, returning the device to normal data transfer speeds.
In this guide, we'll cover specific setup steps to help you restore connection stability. We'll cover hidden engineering menus, roaming settings, and DNS parameters that are often overlooked. Following these instructions will help you get the most out of your smartphone.
Diagnostics of the current network state
Before making any changes to system settings, it's important to determine where the problem lies: the router, the ISP, or the phone itself. Users often reset settings when the problem stems from a congested channel or a physical obstruction. The first step should be a speed test and an airtime congestion analysis.
Use built-in diagnostic tools or third-party apps to measure your actual speed. Note the difference between the readings on your phone and on other devices connected to the same access point. If the internet is stable on your laptop or tablet, but slow on Xiaomi If problems are observed, then the issue lies in the settings of the specific device.
It's also worth checking your router's frequency. The 2.4 GHz band has a longer range, but it's heavily polluted by neighboring networks and household appliances. The 5 GHz frequency offers higher speeds and lower latency, but has poorer performance through walls. Switching between the two can often resolve poor performance.
- 📡 Measure your speed using Speedtest or a similar service on different frequencies.
- 📶 Check the signal level in different rooms of the apartment.
- 🔄 Restart your router to clear the cache and reconfigure channels.
- 📱 Make sure the network is working correctly on other devices.
⚠️ Attention: If the problem only occurs on one specific Wi-Fi, but everything works fine at home, there may be a conflict with the security protocol or DHCP settings on the access point.
Disabling traffic and energy saving
The most common cause of poor connection quality is the Wi-Fi Assistant function and the general power saving mode. System MIUI By default, it tries to conserve battery life by periodically disabling the wireless module or reducing its reception power. This is especially noticeable when the phone's screen is off and apps stop receiving real-time data.
To fix this, go to Settings and find the section responsible for connection. You need to disable the feature that automatically switches your device to mobile data when the Wi-Fi signal is weak. Often, the phone mistakenly identifies the signal as unstable and drops the connection, even if the router is in the next room.
It's also worth checking the settings for individual apps. If messages or emails aren't arriving on time, find the app in question in the list of apps and select "No restrictions" in the battery saving section. This will prevent the system from "sleeping" processes that require a constant connection.
☑️ Wi-Fi power saving settings
After making changes, it's recommended to reboot the device. This will allow the communication module to reinitialize with the new parameters. In many cases, speed is restored immediately, as the artificial bandwidth limit imposed by the operating system is removed.
Setting up frequency ranges and roaming
Modern smartphones Xiaomi support standards 802.11ac And ax (Wi-Fi 6), but by default they can be configured to operate in mixed mode. Forcing only 5 GHz can provide a speed boost if you're close to the router. Switching often requires accessing advanced settings.
Some firmware versions hide the ability to select a preferred frequency. Activating this mode may require entering a special code into the dialer or using the engineering menu. Be careful when entering commands, as changing critical parameters may cause instability in the module.
##6484##
This command opens the engineering menu, where you can test the hardware. However, for basic roaming setup, the standard tools are sufficient. Enable the "Use Wi-Fi even in sleep mode" option to keep the phone connected to the network to save power. This is especially important for smart home and background syncing.
| Parameter | Recommended value | Influence |
|---|---|---|
| Frequency | 5 GHz (if close) | High speed, less interference |
| Channel | Auto or 36-48 | Reducing interference |
| Sleep mode | Always keep active | Instant notifications |
| Roaming | On | Quickly switch between points |
What is Wi-Fi Roaming?
Roaming allows your phone to quickly switch between different access points (for example, your main router and a repeater) without losing connection. If this feature isn't working properly, your phone may lock onto a weak signal from a distant router, ignoring the nearby one. Disabling this feature in your Wi-Fi settings (if available) may make your phone more stable when connected to a single access point.
Changing DNS servers to speed up response times
Often, the problem with slow speed isn't the transmission channel itself, but rather the slow response time of the domain name servers provided by your ISP. Replacing your DNS with faster and more reliable servers, such as those from Google or Cloudflare, can significantly speed up website loading and app launches.
In modern versions Android and the shell HyperOS This can be done without root access through the "Private DNS" settings. This feature encrypts requests and routes them through your chosen server, bypassing the provider's standard DNS chain. This also increases the security of transmitted data.
To set it up, go to the connections section and find "Private DNS." Select "Provider DNS Hostname" and enter the address. dns.google or 1dot1dot1dot1.cloudflare-dns.comAfter saving, check the page loading speed. The difference may not be in megabits, but in milliseconds of response time, which makes the internet feel more alive.
- 🌐 Google DNS: dns.google (reliability and speed).
- 🛡️ Cloudflare: 1.1.1.1 (emphasis on privacy).
- ⚡ AdGuard: dns.adguard.com (DNS-level ad blocking).
- 🔄 Quad9: dns.quad9.net (security and threat blocking).
⚠️ Attention: When using private DNS, some local resources or smart home devices may become unidentifiable if they do not support modern DNS encryption protocols.
Reset network settings and update software
If software tweaks don't help, there may be errors or profile conflicts in your network configuration. Resetting network settings returns all Wi-Fi, Bluetooth, and mobile data settings to factory defaults. This won't delete your personal files or apps, but it will forget all saved Wi-Fi passwords.
Before the reset, make sure you remember your primary network passwords or have them saved in the cloud. After the reset, your phone will search for networks as if it were a new device, which often resolves authorization errors and connection loops. This is a standard diagnostic procedure for any Android smartphone.
It is also critical to stay up to date with system updates. Engineers Xiaomi Patches are regularly released to fix bugs in the wireless module drivers. Check for updates in the "About phone" section. Sometimes installing the latest security patch can resolve the issue.
Using a static IP address
In rare cases, instability is caused by an IP address conflict, when the router assigns one device an address already taken by another device on the network. Assigning a static IP address to your phone Xiaomi can eliminate this possibility. This is especially important in networks with a large number of connected devices.
To do this, click on your network name in the list of available Wi-Fi networks and select "Edit" or "Configure." In the advanced settings, change the IP settings from "DHCP" to "Static." You'll need to enter the gateway address (usually 192.168.1.1 or 192.168.0.1) and the phone's IP address, which should be in the same subnet but outside the dynamic range.
Assigning a static address can also speed up the initial network connection, as the phone doesn't have to wait for a response from the router's DHCP server. However, make sure the address you choose isn't already reserved by the router for other purposes.
To summarize, a comprehensive approach to setup allows you to get the most out of your smartphone. Start with simple steps like rebooting and changing the DNS, and only then move on to more complex manipulations of the engineering menus.
Why is Xiaomi's Wi-Fi only slow at night?
At night, neighbors actively use the internet (downloading files, watching movies), which overloads the 2.4 GHz channels. Solution: switch to 5 GHz or manually select a free channel in the router settings.
Will resetting network settings delete my photos and contacts?
No, the "Reset Wi-Fi, mobile data, and Bluetooth settings" feature only affects network settings. Your personal data, apps, and media files will remain intact.
How often should I change my DNS to speed things up?
There's no need to change your DNS constantly. Choose the fastest server for your region (check it with the DNS Benchmark app) and use it consistently. Frequent changes won't improve speed.
Does the case affect Xiaomi's signal reception?
Yes, metal cases or cases with magnetic elements can shield the antennas located around the case. Remove the case to check the signal quality.