Many people face the problem of low Internet speed via mobile network. How to improve 3G signal on Android? If you are used to using fast home Wi-Fi Internet, and you want the same connection speed anywhere and anytime, we will tell you how you can improve the 3G signal on Android.
How to measure 3G signal level on Android
Thanks to your Android smartphone, you can independently find the best 3G signal in your area.
As you know, cellular smartphone signals are measured in decibels (dB). They are AM/FM radio waves. All cellular devices, including your Android smartphone or tablet, operate within this standard: signal level -50 dB to -120 dB.
50 dB is considered the best signal, and -120 dB is a dead zone where there is no signal.
How to find out how many decibels are on an Android smartphone? This information is available to all users in the mobile device settings. Go to menu Settings -> About the phone -> General information -> Signal strength.
Depending on the smartphone model, sections may have a different name. In any case, you should look for signal strength in the About Phone section.
Remove obstacles
Your smartphone and cell tower are a game of Marco Polo. One shouts “Marco” and the other shouts “Polo”.
If your Android device and the cell tower are in direct line of sight, you will get an amazing 3G signal. But when there are various kinds of objects and obstacles between them, problems with the speed of mobile Internet may arise.
A few simple tips that can help improve the 3G signal on Android:
- Check the quality of the 3G signal outdoors or near a window. It is possible that the thick walls of your home are the reason for the weak 3G signal on Android.
- Avoid high barriers such as trees, hills, mountains, metal structures and multi-story buildings.
- Weather can also affect the quality of the 3G signal, such as rain, snow or thunderstorms.
Find your nearest cell tower
The closer you are to your mobile operator's cell tower, the stronger the 3G signal on Android. Try to find the location of the nearest cell towers on the Internet and check the quality of the 3G signal near it.
Fully charge your smartphone
If your Android device's battery is low, it may not have enough power to find a stronger 3G signal. You should fully charge your smartphone to improve the 3G signal on Android.
Don't block your smartphone's antenna
Before the advent of modern touchscreen smartphones, most phones had large external antennas. Thanks to them, mobile phones received and sent signals to the cell tower.
Modern smartphones also have antennas, but they are hidden inside the case.
If you hold your smartphone in a landscape position (sideways), your hands may block the antenna, thereby reducing the quality of the 3G signal. It is recommended to keep your smartphone in a vertical position to improve the 3G signal on Android.
Also, various accessories and covers for mobile devices can cause a weak 3G signal.
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Despite the widespread use of mobile communications, the question of how to strengthen the signal of the phone, or rather the cellular network to which it is connected, is still relevant. It doesn’t matter whether you live in a small village or in a metropolis, the likelihood that your device will stop receiving a signal is everywhere.
This problem is gradually being solved by operators, new base stations are appearing, and communications are improving. What if the problem lies with your phone and not the network? Today we decided to figure out what is causing the poor signal level and whether it can be fixed with our own hands.
What is a cellular signal?
The principle of operation of cellular communications is quite simple: there is an operator’s base station and your phone, a radio frequency channel is organized between them, through which SMS messages are transmitted, calls are made, and Internet data is exchanged.
There are several cellular communication standards, differing in the method of signal transmission and frequency. As a rule, base stations are built at higher elevations in order to provide maximum coverage area. However, there is no escape from the obstacles that prevent the signal from passing through. These can be walls, trees, and other obstacles, upon contact with which the signal weakens.
It is clear that in open areas where high-rise buildings do not abound, the coverage area will be higher. For example, for stations operating according to the GSM-900 standard, in this case the zone is no more than 30,000 kilometers. In urban areas, the figure decreases to 7 kilometers. Stations with more advanced communication standards such as 3G and LTE cover an area half the diameter.
Why do we have a weak phone signal?
Due to the above-mentioned obstacles, so-called dead zones or holes in the coating may form. That is, places where the signal is weak, unstable or completely absent. Where you most often encounter poor signal levels on your phone:
- places located at a significant distance from the nearest station (there is simply no coverage);
- basements, underground parking lots, lowlands (the signal simply cannot penetrate here);
- hills, skyscrapers (often “going higher” does not necessarily mean the presence of a signal - above the 12-14th floor there is often no signal at all);
- buildings made of metal structures that do not transmit signals.
However, obstacles and distance from the station are not always the reason for the lack of signal. Often the cause is the user's phone. You've probably been in situations where a friend has a cellular signal, but you don't.
And this is despite the fact that you are using the services of one operator. There are common cases when two identical phones have different signal levels. There can be many reasons:
- a phone in a metal case or in a metal case can catch the network much worse than a plastic device;
- quite often, no matter how surprising it may sound to you, the cause is the “clumsy” phone firmware;
- damage to any components as a result of falls, immersion in water, etc.;
- The phone may have a defective antenna from the factory, which is especially common among Chinese manufacturers of inexpensive models.
How to boost your phone signal with your own hands?
Well, we've covered the theory, let's move on to practice. We will look at several ways to boost a cellular signal, from the simplest to the rather complex and expensive.
The reason is in the firmware
It's worth starting by checking that the software is working correctly before trying to get to the inside of the phone. Hundreds of users are experiencing deterioration in the communication signal that appears after flashing, so it’s worth paying attention.
We have already written, so we will not repeat ourselves. Firmware is a fairly simple process, but with its own nuances. The main thing is to remember to make backup copies of important files.
If the flashing helped, then we congratulate you, but if the phone still has poor network reception, then move on to the next point.
The signal is poorly received due to damage to the phone
As already noted, often the phone does not receive a signal well after it accidentally fell on a tile or plunged into the sea. In this case, the average user has no choice but to go to a service center.
Modern phones are quite complex devices, so for most people it is not possible to identify the source of the problem on their own. It is likely that specialists will detect damage and carry out the necessary work so that your phone can once again cope with searching for a network without any problems.
How to boost your phone signal with your own hands
In most cases, the reason for a weak cellular signal lies in a defect in the antenna, which, in fact, is responsible for this function. Often, owners of inexpensive smartphones from the Middle Kingdom are faced with the fact that the manufacturer has cheated a little by not tightly connecting the antenna to the device’s motherboard. You can correct the mistake yourself, but you need to at least understand a little about how the phone works. Otherwise, contact the service center with a description of the problem.
- Nowadays, smartphones come in a variety of designs, which is why they are disassembled in different ways; It’s easiest to get to the insides of a phone with a removable cover and battery, but it’s more difficult when the smartphone is non-separable;
Take your time. Before you start disassembling, find a video or text material on the Internet that will show and tell you how to disassemble your specific device and what you should pay attention to.
Please also note: After disassembling the smartphone you lose the warranty.
- as a rule, the antenna is hidden in the lower or upper part of the case, represented by small copper strips (again, for the location of the antenna specifically in your model, see the relevant materials);
- after you get to the board, you will find several spring contacts that should fit tightly to the cable located on the back of the structure;
- if the spring contacts of the motherboard do not fit well to the cable, carefully straighten them using, for example, tweezers;
- We collect the phone and enjoy a good network signal.
We connect a homemade antenna to the phone to strengthen the signal
The methods discussed above only work if the problem lies with your phone. But, as we noted at the beginning of the material, the cause of a bad signal can be various kinds of obstacles or a significant distance from the station. In this case, you can try to strengthen the antenna of our device with just a piece of wire.
Let us immediately note that this method is not suitable for all phones. The fact is that to implement it you will need a special diagnostic port, which is difficult to get to in a modern non-separable smartphone (in a number of models it cannot be found at all). It looks like a small round connector of golden color.
take a small piece of thin insulated wire;
insert into the connector;
Place it in such a way that it does not interfere with other components or the closing of the lid.
Everything, as practice shows, the phone network signal is greatly enhanced. Isn't it surprising?!
Some users inserted a piece of wire into the 3.5 mm port (under headphones). Sometimes this works too.
Sticker sticker or foil to boost phone signal
In the vastness of foreign online stores, it will not be difficult to find a bunch of different devices for amplifying the signal. Among them, a small sticker sticker is popular, consisting of several metal tracks, which, according to the manufacturer, allow you to get rid of interference.
Similar stripes can be seen in some smartphones by default, so the “magical” properties of the sticker have a right to life.
However, according to a considerable number of users, a piece of ordinary foil will help to achieve a slight improvement in the signal. It is located under the phone cover, closer to the antenna. The method is not complicated, so you can try it.
Strengthening communications using a repeater
In some cases, when the signal cannot be amplified by any of the methods (the walls of the room are too thick, the distance from the base station), they resort to the use of special antennas or repeaters. Such devices are capable of significantly amplifying the signal, but their cost often deters potential buyers.
Where to buy cheap?
You can build something similar with your own hands, but often it does not enhance the signal at all or does it very, very poorly.
For example, some people use the following method:
- take a metal rod (50 cm is enough), a coaxial cable, a piece of foil (about 10x4 cm) and plywood or plastic;
- we bend the metal rod so that we get a diamond-shaped structure;
- glue the foil to the plywood;
- We connect the metal rhombus and the foil using a coaxial cable (solder);
- We lift the end on which the diamond is located higher, the other, with foil, is left below;
- We bring the phone to the foil to check the signal quality.
You will probably need to find the most suitable location for the resulting structure to pick up the signal.
It is clear that such an amplifier is unlikely to provide communications to a large company that is not lucky enough to have an office in an area without network coverage. Here you will have to turn to specialists for help. Today, many companies provide similar services, and will not only offer modern equipment, but will also handle installation.
By the way, you shouldn’t skimp on specialists - for installation, workers use special devices that help determine the most suitable location, select frequencies, etc. An ordinary user, of course, will find it difficult to cope with such a task.
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Dense urban development, terrain, power lines and distance from transmission towers greatly affect the quality of signal reception, which can disappear at the most inopportune moment.
And today I want to talk about several ways to strengthen cellular communication on your phone with your own hands and how much they really help. But before you perform any actions with your device, you need to make sure that it is working properly.
After all, poor reception may be the result of a faulty radio module, unreliable contact with the internal antenna, or a broken firmware.
Making sure that your smartphone is working is very simple. It is enough to compare its reception level with another one that is obviously working, not necessarily of the same model.
If it is very different, then most likely the mobile phone is faulty and it needs a direct trip to a repair shop. But there is no need to rush. I had a similar situation with Lenovo 316i, when the level bars on the display constantly disappeared, while other mobile phones worked fine. For some reason I blamed the buggy software.
And, of course, I tried to reflash it, but the result did not change. Having studied a considerable number of forums, I was inclined to conclude that the cause of poor reception may be poor contact at the junction of the antenna and the motherboard.
This is a common disease of Chinese gadgets. The next step I decided to take was disassembling it.
And in fact, upon opening the case, I discovered that the middle spring tongue on the board was slightly bent down and did not contact the antenna, which was a flexible cable glued to the cover.
Armed with tweezers, I bent it up a little, screwed everything back, put the SIM cards and battery in place and pressed the power button. After the system booted, all four bars appeared in the status line and this time they did not disappear.
Thus, having the skills and certain knowledge, I myself managed to repair my mobile phone. But let's now talk about methods by which you can significantly improve the quality of communication.
Software method for boosting cellular signal
This time we won’t disassemble anything, but install a special MTK Engineering Mode application on Android, with which we will enter the engineering menu and change some parameters there. It is free and can be downloaded from the Play Market. Please note that it is only suitable for devices running on a MediaTek processor. You can find out which processor you have using the CPU-Z program, which you can download, again, from the Play Market. So, click on the program shortcut and immediately find yourself in such a menu.
Go to the MTK Settings tab
As a result, we will see on the display this window with settings, where we uncheck all the boxes. We leave only
- EGSM900;
- DCS1800;
- WCDMA-GSM-900.
Thus, we turn off unnecessary frequencies that are not used in our country.
We perform the same operation with SIM2.
Then go to “Select a network” where we select the GSM only item. This is the 2G communication standard, which originally appeared during the construction of telecommunication networks.
It has wide coverage across the country and handles voice calls very well. Select this tab if you do not use 3G Internet.
After these manipulations, your handset will work longer by disabling scanning of unnecessary frequencies and keep the radio signal more stable, since it will not jump between WCDMA and GSM standards.
Connecting a homemade antenna
Previously, cell phones had an external radio antenna or a connector under a plug located on the back of the case, into which any piece of wire could be plugged, which significantly enhanced reception.
Nowadays, everyone has modern smartphones, to which, apart from charging and headphones, you can’t connect anything else. But, if you take it apart, then inside, on the board, you can see a small golden cylindrical connector with a hole in the middle.
It is intended for network diagnostics and is used only in service centers. But, if you insert a small piece (no more than 5 cm) of thin insulated wire into it, you can observe a noticeable increase in the signal level.
Only in this case it is necessary to comply with some conditions. The wiring should not bend anywhere or touch live parts. You can carefully lay it inside the case, between the battery and the cover.
Again, this method is not suitable for everyone, since most devices are non-separable or do not have such a connector.
Repeater installation
This option is ideal for use in a country house or village, where, as a rule, the quality of communication is poor due to the remoteness of the towers.
Its operating principle is to capture electromagnetic waves, pre-amplify them and transmit them to the user’s phone. The system consists of a repeater unit, external and internal antennas. The disadvantage of this equipment is the expensive price of the device, the complexity of installation, configuration and a short range. But you can try to build a homemade installation yourself to amplify the signal.
To do this, we need a metal rod about 50 cm long, a coaxial cable, a piece of foil measuring approximately 100 by 40 mm, glued to plastic or plywood. It will be better if you have foil-coated textolite.
So, we bend our rod in the shape of a diamond and solder a cable to it, the other end of which is soldered to the foil.
Example of connecting a cable to a rod We install our diamond on the roof of the house or on a pole, preferably higher.
Now let's check the amplifier. To do this, we place the phone close to the plywood and notice how much the signal quality has improved.
sticker sticker
Often on sale you can find a universal compact antenna amplifier, which is a thin self-adhesive plate with a special geometric pattern of metal tracks, which, according to the manufacturer, reduces the amount of interference and allows you to significantly strengthen the signal where there is practically no cellular communication.
The sticker is glued to the inside of the phone, under the battery. But in my opinion, there is no point in buying it. You can just as easily put a piece of foil under the battery and the effect will be the same.
Now, with the help of such simple manipulations, you can use your own hands, using inexpensive materials, to strengthen the weak cellular signal on your phone.
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