Redmi Note series smartphones are deservedly considered popular, but owners of the Redmi Note 9 Pro model periodically face a situation when the connection speed drops for no apparent reason, this can manifest itself in long loading pages, video buffering or unstable signal in areas of confident reception, often due to the physical wear of the antenna, but in software restrictions or incorrect settings of the MIUI system.
Before resorting to radical methods such as resetting, you need to conduct a basic diagnosis of the current state of the network, the user should make sure that the operator provides the stated speed and that the tariff plan is not exhausted. Sometimes the cause is a trivial overflow of network services cache or conflicting security certificates, analyzing the situation will help to choose the right way to solve the problem.
In this article, we will discuss an integrated approach to optimization, which includes both standard actions in the smartphone menu and deeper settings of the engineering menu. DNS-servers to speed up response and disable functions that stealthily eat up traffic.
Diagnosis and basic connection checks
The first step is always to check the current state of the network to cut off external factors. Often users blame the smartphone, when the problem is on the side of the provider or router. You need to run a speed test through specialized applications such as Speedtest by Ookla or the built-in tool in MIUI. Compare the numbers received with the declared in the operator's tariff.
If the indicators are significantly below normal, try to perform elementary actions to reboot the network modules. 10-15 It forces the modem to re-register and possibly choose a freer base station, which is especially true for mobile Internet in urban environments.
Itβs also worth checking if traffic or data saving mode is activated, which artificially limits the background activity of applications. In some cases, a simple reboot of the smartphone itself helps, which cleans temporary files and resets the hanging network processes.
β οΈ Note: If the network indicator shows 4G or 5G, But the Internet is not working, the problem may be the lack of balance or the technical work of the operator. SIM-cards in the personal account before deep setting up the phone.
Optimizing Wi-Fi settings for Redmi Note 9 Pro
Wireless Wi-Fi connection on Redmi Note 9 Pro supports 2.4 GHz and 5 GHz bands. For maximum speed in the vicinity of the router, it is critical to use the frequency of 5 GHz. It is less busy and provides higher throughput, but has less penetration through walls.
Go to your Wi-Fi settings, select your network and see the frequency. If you're connected to 2.4 GHz, try finding a network with the end of " 5G" or forcefully switching in the router settings. Also, the Wi-Fi menu on your smartphone should disable the Wi-Fi Assistant feature, which can incorrectly switch the connection to mobile data at the slightest signal weakening, causing breaks.
Another important factor is the use of static IP-Addresses, which sometimes helps to avoid addressing conflicts in the local network, and to do this, change the settings of the selected network. IP s DHCP It's not going to increase the speed of the channel, but it's going to make the connection more stable and responsive.
- πΆ Switch to 5GHz for maximum speed near router.
- π Turn off Wi-Fi Assistant in advanced settings to avoid jumps between networks.
- π Install. DNS manually (e.g. 1.1.1.1) if the standard from the provider is slow.
- π Forget the network and reconnect if there are persistent connection breaks.
Secrets of mobile Internet: 4G, LTE and engineering menu
For Redmi Note 9 Pro owners who are often on mobile Internet, the engineering menu is an important tool, which allows you to force your smartphone to switch to LTE Only networks, which eliminates a drop in speed to 3G or Edge in areas of unstable coverage.
To get to the menu, open dialer and enter the code ##4636##. From the menu that opens, select Phone Information. Find Set Preferred Network Type, where you can select LTE Only for maximum speed or LTE/TD-SCDMA/WCDMA for speed/voice balance.
Another nuance β resetting the settings of the access point (APN). Operators often update access options, and the old settings may not work properly. β SIM-maps and mobile networks β Access points (APN) and press the reset button at the bottom of the screen. After that, select your operator's default access point.
β οΈ Attention: Regime Β«LTE Only" can cause you to stop receiving regular voice calls (not via messengers). Use this mode with caution if you care about voice communication, or make sure that the operator and phone settings activate VoLTE.
Changes to DNS and reset network settings
Often the bottleneck is not the data channel, but the response speed of name servers (DNS). Standard DNS providers can be overloaded; replacing them with fast public servers, such as Google or Cloudflare, can speed up site opening. For the Redmi Note 9 Pro, this is done through the Private DNS menu.
Go to the Settings path β Connection and sharing β Private DNS. Select the mode "Host Name of the provider" DNSΒ» and enter the address dns.google or 1dot1dot1dot1.cloudflare-dns.com. It works. DNS-requests and often speeds up navigation on the Internet, especially when visiting foreign resources.
If nothing works, a radical but effective method is to completely reset your network settings, which will bring all the parameters of Wi-Fi, Bluetooth and mobile Internet back to factory values, and you will have to re-enter the passwords from the Wi-Fi networks, but this will eliminate any software configuration errors.
βοΈ Checklist before network reset
Hidden MIUI features that affect speed
The MIUI shell installed on the Redmi Note 9 Pro contains a variety of features that can negatively affect internet speed, such as the Memory Extender or active background update of apps. Check if there is a heavy update running in the background through the Play Store or GetApps, which "strangles" the main traffic.
Also, look at the Background Limit feature: Go to the settings of an application that should work in the background (such as a messenger or mail), and make sure that it is not a restriction. For browsers and streaming services, on the contrary, you can limit background activity so that they do not consume resources when the screen is off.
In the Security -> Traffic section, you can see detailed consumption statistics, and here is the Network Speed feature, which displays the current speed in real time in the status bar, which is a useful widget for monitoring the situation without running third-party tests.
| Parameter | Impact on speed | Recommended value |
|---|---|---|
| Wi-Fi range | High. | 5 GHz (near the router) |
| DNS server | Average (affects response) | 1.1.1.1. or 8.8.8.8 |
| Type of network | Critical | LTE / 4G Prefer |
| Background data | Average. | Without limitations, important |
| Air mode | Temporary | On/off for modem reboot |
Hardware factors and external factors
You can't discount the physical reasons for slow internet on the Redmi Note 9 Pro. A thick protective case with metal patches or a magnetic fastener can shield antennas around the perimeter of the case. Remove the case and check if the signal level has improved.
It's also a condition. SIM-If you use a card that's been cut out of format by scissors. Mini/Micro in Nano, or a map more 5-7 In years, contact with the nest can be unstable, leading to constant reconnection and a drop in speed. SIM-cards for a new in the cabin operator often does wonders.
In rare cases, the problem is that the communication module overheats, so if the smartphone body gets too hot, the system can artificially reduce the power of the transmitter to protect the components, and in such a situation, it is worth closing heavy applications and letting the device cool down.