Acceleration of mobile Internet on Xiaomi Redmi Note 8

The Redmi Note 8 series is still popular due to its excellent price-performance ratio, but over time users often experience a drop in connection speed. The problem may be not only a weak operator signal, but also software limitations or incorrect settings of the MIUI system. Proper diagnosis of the causes of slow loading pages is the first step to solving the problem.

In this article, we will discuss proven methods of optimizing network parameters that will help to return high speed. 4G/LTE. You will learn how to properly configure access points, use hidden Android features and choose the optimal modem modem for your region.

Diagnostics of the current network status and signal

Before making changes to the system configuration, it is necessary to accurately determine the current parameters of signal reception. It is often the case that the phone shows full “rods” of coverage, but the real data rate remains low due to congestion of the base station or low frequencies. SIM-map.

The most informative indicator is the RSRP (Reference Signal Received Power) signal strength. Unlike standard indicators, this parameter is displayed in negative dBm values, where the closer the number to zero, the better the communication quality. For example, a value of -85 dBm is considered excellent, while -115 dBm already indicates the boundary area of coverage, where the speed will fall.

To access technical information, go to Settings → About Phone → All settings and quickly click on Kernel Version several times or use the code ##4636## in the call. From the menu that opens, select Phone Information to see detailed connection statistics.

⚠️ Note: Do not accidentally change the settings in the engineering menu unless you are sure of their purpose, as this can lead to complete loss of the network.

Also worth noting is the Signal-to-Interference-plus-Noise Ratio (SINR), which shows the ratio of signal to noise, and high levels of interference are common in dense urban areas, where many buildings reflect radio waves, creating interference.

Optimizing the settings of APN access points

One of the most effective speed-up measures is manual APN adjustment. Communications operators often provide standard settings that may not be optimal for a particular region or type of traffic. Creating a new profile allows you to bypass some software constraints and use faster data protocols.

To edit the parameters, go on the Settings path → SIM-maps and mobile networks → Choose yours. SIM → Access points (APN). You need to create a new access point by copying existing data but changing key fields. APN», where you need to prescribe default,supl,dun, which will allow the use of the smartphone as a modem without restrictions.

In the field "APN Protocol" and "APN Roaming Protocol" it is recommended to set the IPv4/IPv6 value. This ensures compatibility with modern servers and allows the device to select the fastest route for transferring data packets automatically.

⚠️ Warning: After saving a new access point, be sure to restart the device and activate Flight mode for 10 seconds to reset registration on the network.

Some users are also experimenting with fields «MCC» and «MNC», However, for home use, their change is not required and may lead to inoperability. SIM-The main thing is to fill in the username and password correctly, if your operator requires it (for example, for the purpose of the username). MTS, Beeline or Tele2).

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If the speed hasn’t increased after changing the APN, try removing all the old access points, leaving the one you just created so that the system doesn’t switch to them automatically.

Changing the priority network type and frequencies

Modern smartphones, including the Redmi Note 8, support frequency aggregation, but in unstable signal conditions, the device can constantly jump between the standards of 2G, 3G and 4G. Forced choice of mode only LTE can significantly stabilize the connection and increase the response speed.

Using the engineering menu with code ##4636##, find the section "Preferred network type" and select the LTE Only or LTE/TD-SCDMA option if you are in the confident reception zone, which will prevent the phone from switching to slower 3G during short-term signal failures.

However, this method has a significant disadvantage: in the LTE Only may not be able to receive incoming calls if your carrier does not support VoLTE technology, in which case you will have to return to combined mode. LTE/GSM/WCDMA.

For advanced users, there is the option of blocking specific frequencies through a hidden menu, for example, if the operator’s base station is congested at 1800 MHz, you can try leaving only 2600 MHz, which is usually less loaded and provides speeds.

Resetting network settings and cleaning the cache

The accumulation of errors in the Android network modules over time can lead to a decrease in connection performance. Network resets return all parameters of Wi-Fi, Bluetooth and mobile data to factory values, eliminating software conflicts.

You can do this through the Settings menu → Connection and Sharing → Reset Wi-Fi, mobile networks and Bluetooth. Please note that after this action you will need to re-enter passwords from saved Wi-Fi networks, but the data on the phone (photos, contacts) will remain intact.

Also, clear the cache of the system services responsible for communication. Go to Settings → Applications → All applications, find Settings (cog icon) and click Clear Cache. This is a secure procedure that deletes temporary files accumulated by the system.

Regularly restarting the device also helps to free up RAM and reconnect to the nearest base station with the best signal, and it is recommended to do this at least once a week to keep MIUI running smoothly.

Using DNS to speed up response

A common reason for slow page loading is the long response of domain name servers (DNS), which converts the addresses of the sites into IP-Replacement of the standard address DNS-The server provider to a faster public server can significantly accelerate the start of downloading content.

Android 9 and above, including the MIUI 12/13 shell on the Redmi Note 8, has a built-in “Private DNS” feature. Go to Settings → Connection & Sharing → Private DNS and select “DNS Provider Host Name.”

Enter the address of one of the fast services, for example, Google (dns.google) or Cloudflare (1dot1dot1dot1.cloudflare-dns.com), which is especially effective when working with heavy web resources and streaming services.

After settings, check the speed through Speedtest. If you have problems connecting to some local resources, return the value of "Auto" or "Disconnected".

Influence of covers and physical factors

And the physical aspects of receiving the signal, too, are that the antennas in the Redmi Note 8 are located around the perimeter of the body, and some of the materials in the cases can shield the signal, especially those with metal inserts, magnetic latches, or very thick silicone.

Try removing the cover and checking the Internet speed. If the difference is significant, it is recommended to replace the accessory with a thinner one or one made of materials that do not interfere with the passage of radio waves.

Also the location SIM-In two-symbol devices, the first slot often takes priority over support. 4G/LTE. Make sure your main SIM card with internet fare is installed in the slot №1.

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Physical obstacles and cover materials can reduce signal strength by up to 30%, which directly affects mobile internet speed.

In rare cases, the problem may lie in the oxidation of contacts. SIM-Remove the tray, wipe the card contacts with soft dry cloth and set back.Old cards issued more than 5 years ago may also not support modern speed standards and require replacement in the cabin operator.

Frequently Asked Questions (FAQ)