The situation when the mobile data on a smartphone with an operating system Android suddenly begins to work unstable or completely fails is familiar to many subscribers. This problem is especially acute when using services MTS, since the loading speed drops to critical levels, and pages do not open at all. Users often encounter the fact that the network indicator shows reliable reception, but data is not transmitted, creating the illusion that the channel is fully operational.
The reasons for this behavior can be very diverse: from a banal overflow of the browser cache to complex technical failures in the settings of the access point. APN. Sometimes the problem lies in the device itself, which incorrectly switches between communication standards 3G and 4G (LTE), getting stuck on a slow protocol. In other cases, the culprit is an overloaded operator base station in a particular area or temporary technical work.
In this article we will analyze in detail diagnostic and troubleshooting algorithms that will help restore high connection speeds. We will look at both software methods for setting up your gadget and external factors that affect signal quality. It is important to understand that there is no universal solution, so you need to check each item sequentially to identify the true cause of the malfunction mobile data channel.
Problems with coverage and communication standards
The first thing you should pay attention to when the speed drops is the physical location and the current communication standard. The operator MTS, like any other, uses different equipment to transmit data depending on the area. If your smartphone automatically switched to an outdated standard EDGE or GPRS, the speed will be extremely low, regardless of the phone settings.
Often in rooms with thick walls or in basements the signal LTE weakens, and the device is forced to switch to 3G to provide voice communication, sacrificing Internet speed. In such cases, the indicator may show the presence of a network, but the channel capacity will not be sufficient to download modern media content. Check the top status bar: if instead of the icon 4G or LTE you see H+ or 3G, the problem is in the radio module.
To force high-speed mode on, you need to go to the mobile connection settings. The path may differ depending on the model of your smartphone, but usually it is located in the section. Here you should select priority Android-smartphone, but usually it is in the section Settings → Connections → Mobile networks → Network mode. Here you should select a priority LTE/3G/2G (auto-connect). If there is no such option, try temporarily enabling the "4G Only" mode to check if the Internet appears, but remember that incoming calls may not go through in this mode.
⚠️ Attention: Forced switching to the "4G Only" mode may result in the inability to make calls if your operator does not use VoLTE technology in the given area or you have not activated this service in your personal account.
Incorrect APN access point settings
One of the most common technical reasons for slow Internet is broken access point settings APN (Access Point Name). These parameters tell the phone through which gateway to connect to the operator's network. If an outdated address or incorrect authentication type is specified in the settings, data packets may be lost or routed through slow servers.
To correct the situation, you must manually check the connection parameters. Go to menu Settings → SIM cards and mobile networks → Access points (APN). Select the active access point for MTS. Make sure that the value internet.mts.ruis entered in the "Name" and "APN" fields. The "Proxy" and "Port" fields should be empty, since filling them often leads to artificial slowdown of traffic.
If manual checking did not help, the most effective solution would be to reset the access point settings to factory values. The access point menu usually has a menu button (three dots in the corner) or a physical button that calls up a context menu where you need to select an item "Reset settings" or "Reset to default". After this, the phone will automatically load the current configurations from the operator’s SIM card.
☑️ Checking APN settings
Cache overflow and background processes
Sometimes the problem lies not in the operator, but in the operator itself a device that cannot handle network traffic due to software glitches. The operating system Android tends to accumulate temporary files in the network services cache, which over time can lead to conflicts and reduced modem performance.
In addition, many applications running in the background can quietly consume the entire available communication channel. Messengers, cloud storage and social networks often synchronize data in the background, creating a queue for packet transmission. As a result, basic tasks, such as watching videos or loading pages, begin to slow down due to a lack of free bandwidth.
To clean up the network stack, it is recommended to reset the network settings. This operation will remove saved Wi-Fi passwords and Bluetooth settings, but will return the cellular module to its original state. The path to the function usually looks like this: Settings → System → Reset settings → Reset Wi-Fi, mobile data and Bluetooth settings. After rebooting the device, problems with packet routing often disappear.
Why does a network reset help?
Resetting network settings clears routing tables and removes possible IP address conflicts that could occur after updating the firmware or changing the SIM card. This forces the radio module to re-register in the operator’s network with clean parameters.
The influence of Android version and firmware updates
Smartphone software plays a key role in the stability of the connection. An outdated version Android or buggy firmware may contain errors in the radio module drivers that do not allow it to work correctly with modern operator frequencies MTS. This is especially true for budget models that rarely receive security updates and network optimization.
Device manufacturers periodically release patches that correct problems with frequency aggregation and switching between towers. If you haven't had system updates for a long time, you should check their availability in the Settings → About phone → Software updatesection. Sometimes after a major update (for example, moving from Android 12 to 13), old network settings become incompatible, requiring manual configuration again.
It is also worth considering that some custom firmware or unlocked bootloaders may interfere with the operation of standard network profiles. In such cases, reverting to stock firmware is often the only way to restore normal Internet speeds without replacing hardware.
| Problem | Symptom | Solution |
|---|---|---|
| Outdated APN | Internet yes, but very slowly | Resetting access points to factory ones |
| Weak LTE signal | Frequent breaks, switching to 3G | Changing location or using a repeater |
| Background applications | High ping, lags in games | Background limitation in settings |
| Radio module failure | Network icon present, no data | Reset network settings or reboot |
Limitations of the tariff plan and services
Financial reasons for the reduction in speed cannot be ruled out. The operator MTS, like many others, applies a fair traffic usage policy. If you have exhausted the high-speed Internet package provided by your tariff, the speed may be automatically reduced to 64 kbit/s or 128 kbit/s until the end of the billing period.
You can check the current traffic balance through the official application My MTS or by typing USSD command *100#. Your personal account also displays information about connected options that can prioritize or limit certain types of traffic. Sometimes users accidentally activate services that block access to social networks or video hosting sites while roaming or within the country.
If the limit is exhausted, the only solution is to purchase an additional package of gigabytes or wait for a new billing period. It is also worth checking whether you have activated the "Unlimited" service or a similar one, which may have hidden speed restrictions after reaching a certain threshold of data consumption per day.
⚠️ Attention: Tariff conditions and speed limit rules can be changed by the operator unilaterally. Always check the current conditions of your tariff plan in the official application or on the operator’s website before purchasing additional options.
Use the "Data Saver" mode in the Android settings to prevent background applications from using up the Internet when the screen is off. This will save your data package for important tasks.
Hardware faults and SIM card
In rare cases, the problem may lie in the physical condition of the SIM card or phone slot. Old SIM cards from many years ago may not work properly with modern 4G networks, especially if they have been manually trimmed to fit the Nano-SIM format. Damage to the contact pad leads to an unstable connection and loss of data packets.
It is recommended to visually inspect the SIM card chip for scratches, oxidation or contamination. Gently wipe the contacts with a soft, lint-free cloth. If the card is very old (issued more than 5-7 years ago), it is advisable to contact a communication salon MTS for a free replacement with a new one while maintaining the number and tariff. The new card will support all modern encryption and authentication protocols.
It is also worth trying to move the SIM card to another slot (if there are two) or to another smartphone. If the Internet works stably in another device, then the problem is in the radio module of your main phone, possibly due to overheating or physical damage to the antenna after a fall.
Replacing an old SIM card with a new one in the operator's salon often solves problems with Internet speed, since new chips are better compatible with modern LTE encryption standards.
Frequently asked questions (FAQ)
Why does MTS Internet work slowly only in the evening?
In the evening, the load on the operator’s base stations is maximum, as most users return home and begin to actively consume content. The tower's bandwidth is divided among all connected subscribers, which leads to a natural decrease in speed for each user. This is a normal situation for cellular networks during peak hours.
How to enable 4G on your phone if there is no such button?
On some smartphone models, the choice of network mode is hidden in the engineering menu. Try entering the code ##4636##into your phone, go to "Phone Information" and select "Preferred Network Type". Select option LTE Only or LTE/WCDMA/GSM. Be careful: LTE Only mode may disable the ability to make regular calls.
Does the case affect the Internet speed?
Yes, some cases, especially those made of metal or containing metal inserts for fastening (magnets), can shield the smartphone's antenna. This leads to poor signal reception and a drop in speed. Try removing the case and checking the connection speed.
What to do if resetting the settings did not help?
If software methods do not work, the problem may be on the side of the operator in your area. Call MTS technical support at 0890 and report the problem, indicating your address. They can carry out remote diagnostics of the line or report on technical work.
Can a virus slow down the Internet?
Yes, malware can use your communication channel to mine cryptocurrency, send spam, or engage in DDoS attacks. Check your device with a reliable antivirus and remove suspicious applications, especially those installed outside the official Google Play store.