Slow internet on a smartphone is a problem that irritates every owner. It's especially annoying when you've bought a modern device from Xiaomi, and pages load with a delay. Often, the problem lies not with the ISP, but with incorrect settings on the device itself. Owners of budget and mid-range models of the series Redmi Note or Poco encounter this more often due to the peculiarities of shell optimization MIUI.
There are many software restrictions that the system imposes on the wireless connection in order to save battery power. Energy saving algorithms They can aggressively disable the communication module or reduce its power in the background. In this article, we'll look at how to bypass these limitations and squeeze maximum speed out of your equipment.
You don't need to be an engineer to perform simple steps in the settings menu. We'll cover both standard methods available to every user and advanced options available through the engineering menu. Proper DNS and frequency range configuration can work wonders even with a weak router signal.
Diagnostics of current speed and signal quality
Before making changes, it's important to understand the scope of the problem. Users often complain about "slow" internet, when in fact they simply have an unstable connection with frequent packet drops. A good place to start is by using the system's built-in tools. Androidto obtain initial information about the quality of the link.
Go to Wi-Fi settings and click on your network name. The system will display your current connection speed in Mbps. If this figure is significantly lower than your provider's rate, the problem is local. Also, pay attention to the signal quality indicator: if it shows less than two bars, software adjustments may not help without relocating the router.
⚠️ Attention: The built-in speed tester's readings may be inaccurate due to background downloads. Before taking measurements, close all apps using data, including cloud syncing.
For a more accurate diagnosis, it's best to use third-party utilities that generate a real-time signal graph. This will help identify "dead zones" in your apartment. If the speed drops to zero in one room and remains stable in another, the problem is a physical obstruction or interference, not a phone setting issue.
It's important to distinguish between low download speeds and high ping. For games, ping is critical, and it can be high even with a fast plan. DNS servers often solves problems with slow server response times, but does not always increase file download speed.
Basic settings of the wireless module
The easiest way to influence the module's operation is to switch the frequency range. Modern routers operate in two ranges: 2.4 GHz and 5 GHz. 5 GHz provides much higher data transfer speeds, but has a shorter range and is worse at penetrating walls.
If your router supports dual-band, make sure your phone is connected to the 5 GHz network. In the Wi-Fi settings on Redmi Sometimes you'll see an option called "Prefer 5 GHz network." Enabling this will force your smartphone to ignore the crowded 2.4 GHz band if there's a strong 5G signal nearby.
Another important parameter is the security protocol. Outdated encryption protocols such as WEP or WPA, can limit connection speed on modern chipsets. Make sure your router is set to the standard WPA2/WPA3, which will allow the phone to use the maximum channel bandwidth.
It's also worth checking whether the traffic saving mode is enabled in the browser itself or the system. In the shell MIUI There's a "Game Booster" or "Booster" feature that can redistribute network resources. Disabling background data transfers for unnecessary apps will free up bandwidth for your current tasks.
Optimizing DNS and network settings
One of the most effective measures to speed up network response is changing DNS servers. By default, your phone uses your provider's servers, which are often overloaded or slow to update their cache. Switching to public servers Google or Cloudflare can significantly reduce page loading time.
To change the settings, go to the Wi-Fi menu, select your network and find the "IP Settings" item. Change the value with DHCP on StaticHere you'll need to manually enter the DNS addresses. This doesn't require root access and is safe for your device.
It is recommended to use the following addresses, which have proven to be the fastest and most stable:
- 🌐 Google DNS: Preferred 8.8.8.8, Alternative 8.4.4.4
- 🚀 Cloudflare DNS: Preferred 1.1.1.1, Alternative 1.0.0.1
- 🛡️ AdGuard DNS: Preferred 94.140.14.14, Alternate 94.140.15.15 (blocks ads)
After entering the data, save the settings and reconnect to the network. The effect is often immediately noticeable: pages start loading faster, and timeouts when loading "heavy" websites disappear. This is especially true for providers that use their own inefficient DNS.
In some cases, resetting network settings to factory defaults can help. This will delete all saved passwords and Bluetooth configurations, but will also clear any possible software errors in the protocol stack. The path to this function is usually located in the Settings → Connection and sharing → Reset Wi-Fi, mobile networks, and Bluetooth.
Hidden settings and engineering menu
For advanced users, there is an option called Wi-Fi Speed BoostIt's hidden in the developer options menu. To activate it, quickly tap the build number seven times in the "About phone" section. After that, a new option will appear in the advanced settings.
In the developer menu, find the Wi-Fi section. There may be an option to "Enable Wi-Fi logging" or "Link aggregation." Enabling aggregation allows you to combine 2.4 GHz and 5 GHz channels (if your router supports the technology). Mu-MIMO and carrier aggregation), which theoretically doubles the speed.
However, be careful: enabling all loggers and debugging functions can actually increase CPU usage and reduce overall system performance. Use these tools only for diagnostic purposes or if you understand the function of a specific parameter.
| Parameter | Recommended value | Influence |
|---|---|---|
| Wi-Fi range | 5 GHz (priority) | High speed, small radius |
| DNS | 1.1.1.1 / 8.8.8.8 | Reduced ping, faster start |
| Saving traffic | Off | Full content loading |
| Channel aggregation | Enabled (experiment) | Potential speed increase |
Another hidden feature is using the app Wi-Fi Analyzer to find a free channel. If your router is running on the same channel as your neighbors, collisions will occur. Switching the router to a free channel through its web interface (usually at 192.168.0.1 or 192.168.1.1) will significantly improve the situation.
What is channel aggregation?
Channel aggregation is a technology that allows data to be transmitted simultaneously across multiple frequency bands. In practice, this provides a speed boost of up to 30-40%, but requires router support and can consume more battery power.
Power Saving Management for Wi-Fi
System MIUI is known for its aggressive memory and power management. It can "kill" background Wi-Fi processes, treating them as inactive, even if you're waiting for a notification or download. To avoid this, you should set up exceptions for critical apps.
Go to battery settings and find the list of apps. Set the operating mode for instant messaging apps, email clients, and navigation apps to "No restrictions." This will prevent the system from cutting off network access for these apps, even when the screen is off.
There's also an "Autostart" feature. If an app doesn't have autostart permissions, it may not receive data in the background. Enable autostart for all services that need to be always online. This is especially important for owners of the "Mobile" series. Redmi with a small amount of RAM.
⚠️ Attention: Constantly running apps in the background increases battery consumption. Balance notification speed with device battery life.
Some firmware versions have a separate "Wi-Fi Sleep Mode" setting. Make sure it's disabled or set to "Never." Otherwise, the phone will periodically disconnect to save power, which can cause internet lag.
Resetting and updating network components
If software tweaks don't help, there may be errors in the network service cache. On phones Xiaomi And Redmi You can reset your network settings without losing your personal data. This will return all network settings to factory defaults.
Follow these steps for a clean start:
- 🔄 Go to
Settings → Connection and Sharing. - 🗑️ Choose
Reset Wi-Fi, Mobile Networks, and Bluetooth. - ✅ Confirm the action and enter the unlock password.
- 🔌 Restart your device after the procedure is complete.
After rebooting, the phone will search for networks as if it were a new device. This often resolves issues with IP addresses sticking or incorrect handshake connections with the router. Also, remember to keep your system up to date with security patches and updates. MIUI Wi-Fi module driver bugs are often fixed.
☑️ Wi-Fi Speedup Checklist
If you have an old single-band router and a phone with an entry-level antenna, miracles won't work. In this case, the only solution is to replace the equipment.
External factors and hardware limitations
Don't forget about physical obstacles. Microwaves, baby monitors, and even aquariums can jam your phone's Wi-Fi signal. Redmi may show a full signal, but the actual speed will be low due to the high level of noise in the air.
Car cases with metal inserts or magnetic rings also shield the antenna. If you notice better internet performance without the case, the problem is with the accessory. Remove the case to test this.
In apartment buildings, the airwaves are clogged with dozens of networks. During peak hours (evenings), speeds can drop across all providers simultaneously. In this case, the only solution is switching to a wired internet connection or using a 4G/5G modem, if coverage in your area is good.
Why is Wi-Fi slower on Redmi than on other Android devices?
MIUI has more aggressive power-saving algorithms, which can limit background network activity. Furthermore, budget models use less powerful antenna modules. Optimizing the settings usually alleviates the situation.
Does VPN affect Wi-Fi speed?
Yes, using a VPN always reduces connection speed due to traffic encryption and routing through a remote server. Free VPNs can reduce speed by 2-3 times. For maximum speed, disable the VPN when not needed.
Should I use "booster" apps from the Play Market?
Most of these apps are gimmicks. They simply flush the DNS cache or switch networks, which can be done manually. Some even contain ads and miners, which will completely ruin your phone's performance.