Does the firmware affect. Does the firmware of the engine affect the maximum speed? Changes after chip tuning

06.01.2021

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Sluggish acceleration dynamics? Is the gear shift jerky? Starting a car at low temperatures turns into real torture? The problem may lie in the wrong factory firmware of the ECU. Chip tuning will help fix this problem, and we will tell you exactly how it happens.

Chip tuning is one of the best ways to increase power and improve the dynamics of a car without changing the engine internally. These effects are achieved by improving the operation of the program (software firmware) of the electronic engine control unit (ECU). Factory firmware usually severely limits the operation of the electronic "brains" of the injector within the Euro 2, 3, 4 standards, and therefore they always have a certain reserve, the use of which can optimize engine performance, increase power and torque, maximize speed and speed. The use of this reserve in practice is called chip tuning.

Why do you need to flash the ECU?

Many serial firmware of domestic cars (sometimes foreign ones) often require improvements, because due to incorrect debugging of the program, it becomes almost impossible to drive such cars: they have a sluggish run, frequent failures, unexpected engine shutdowns, speed swimming, start up at low temperatures uncertain. There are two ways to solve these problems: the first is programming the electronic engine control unit (provided that the cause of the malfunction is an error in the program); the second is the replacement of the catalyst, soot filter, EGR system and oxygen sensor. Naturally, the second method will cost much more than the first. Therefore, before starting to purchase new spare parts, you should check whether the ECU program is working normally. In addition, most foreign cars on which Euro 3 and 4 systems are installed are not designed for our low-quality fuel, and this problem can only be solved by flashing.

Changes after chip tuning

The most frequently asked question by motorists about chip tuning: “How many horses will increase the power of my car?” Unfortunately, no one can give an exact answer to this question. The fact is that for this it is necessary to carry out two measurements of your car on a special roller stand: before and after flashing. One such measurement will cost about 3 thousand rubles, plus finding a place where you can conduct it is not so easy, because the cost of the stand is very high. However, it is important to know that increasing engine power should not be the main goal of chip tuning, as the pursuit of more horsepower can result in poor driving performance. Therefore, the programs of many tuning companies are designed for the following tasks: troubleshooting in the factory firmware, the elasticity of the engine, easy starting at low temperatures, reducing fuel consumption.

In addition to eliminating errors in the serial firmware program, chip tuning can also be used to achieve the following goals:

Smoother engine operation, improved vehicle control;
- power increase by 7-15 percent;
- increasing the limits of maximum speed;
- improvement of the dynamic qualities of the machine;
- getting rid of excessive inhibition of the automatic transmission and jerks when switching gears;
- reduction of fuel consumption.

In the program itself, depending on the model of the car, from 50 to 1000 parameters change that affect the operation of the engine. The main changes are made in the calibration of the ignition timing, the composition of the fuel-air fluid and the properties of starting the engine at low temperatures. The programming of the microcircuit in the ECU occurs through a special diagnostic connector, that is, soldering is not required here.

By optimizing the operation of the engine, getting rid of factory setting errors, setting the required ignition timing, eliminating the "poor" fuel-air mixture, the firmware is able to increase the power of the power unit by several percent. Fuel consumption is usually reduced or remains at the same level. However, sometimes it can rise slightly.

The cost of chip tuning and the time of its implementation

Each company has its own prices for flashing cars. However, on average they are equal: domestic cars - from 2-3 thousand rubles; foreign cars - from 3-4 thousand rubles; diesel - from 8-9 thousand rubles. Usually the firmware is installed in 20-30 minutes, but there are exceptions.

Do not panic if the car after chip tuning began to behave even worse than before. At any time you can return to initial settings. Flashing has only one drawback, which they try not to talk about in car services - during programming, any electronic engine control unit can fail. Usually tuning companies provide guarantees for such unforeseen situations and try to fix them as soon as possible.

Does the firmware of the engine affect the maximum speed?

They asked me a question in the comments, does the firmware affect top speed? I replied that it affects and promised to tell about it in more detail.

The main manifestation of the firmware is in top speed. Let's see why. First you need to figure out how the injector works, the brains and what algorithm they have, how it calculates the composition of the mixture. If we press the gas to the floor, we have certain regime points. At 4000 rpm in stock watered a certain amount of gasoline and air in the stock program. For 4500 a different amount, for 5000 a different amount. When we change the configuration of the motor, we change the camshaft, exhaust system, receiver, etc. from 4000 we have more air, at 4500 even more, at 5000 even more. When we do not change the program, but change only the hardware, we have much more air, and the number of modes that appear at these points becomes less. Naturally, we have a loss of power, the motor is not realized. At best, it will ride like stock, in the normal case it rides worse than stock. Dimitri is lucky. With stock, he drove 160 km / a, when he put the iron on, it accelerated to 170 km / h. He didn't calibrate it online. To change the number of modes at this point you need to rollback the program. If we simply accelerate to 100 km / h, the computer simply does not have time to analyze these regime points. Even if it does, we still have a thin film on the intake manifold, which somehow smooths out this error. But when we are driving at maximum speed, and we accelerate to maximum speed only in 4th gear, only then we turn on 5th gear to maintain maximum speed. We have a very slow transition from one regime point to another. Much slower than first gear. Therefore, the higher the speed, the more demanding the regime points. It seems that only the maximum speed is lost, in fact, if the mixture is poor, the valves burn out, detonation occurs. Detonation can't always be heard by ear, but that doesn't mean it doesn't exist. But if detonation, then the resource also suffers. We just need to set up for each regime point to set the amount of gasoline that should be, then we will have a good maximum speed. For clarity, we can see how it will be in the program.

Here we have the table itself. On this axis we have the throttle position, on this we have turns. And here we just have the composition of the mixture changing up and down. Moving out of 3d pictures to normal. Here we see the throttle position at 100%, here we have the axis of revolutions, and here the composition of the mixture. Just like I said regime points. In fact, not 500 rpm, but 1960, 2300, 2700, etc. This line is the factory stock. These regime points follow such a schedule. If we put the shafts, change them at the top, then accordingly the graph should look like this, i.e. we must increase the amount of fuel. We raise these points. We naturally fill the composition of the mixture online. If we leave the factory - a poor mixture. In general, the program does this automatically. We also have basic cycles. Also quantity, throttle position, RPM and filling itself. The program itself foresees how much air comes in and, based on this air, it understands how much gasoline is needed. Thus, we see the higher our speed and more smoothly we rise momentum, the more precisely the program must be configured, otherwise it will not be able to move from one regime point to another. It happens that at one regime point there is a joint, and at another it is more rolled back. If he reaches the kosyachkovy regime point and cannot jump over it. Sometimes she ran into these speeds and nothing, then she slipped further, acceleration went on. So roll the program online, there will be both a resource and a difference between tuning and normal.

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In order not to face such situations as engine deterioration after tuning, we write about this in our articles.

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Android is an open source system. source code, so that developers can freely modify it, add new features, and create their own operating system images for phones and tablets. Some of these firmware are gaining immense popularity and even become the basis for successful commercial projects. We introduced you to some of them in this and also. And now we want to discuss with you those reasons that may convince you to take a chance and install third-party firmware on your Android.

Get the latest version of Android

It's no secret that many manufacturers of even expensive devices don't bother to support their products too much. As soon as they sell you their product, they immediately forget about the need to release new firmware versions for them. As a result, it turns out that you do not have the opportunity to upgrade to a new one. android version even if the hardware of the smartphone freely allows it.

In this case, the best and sometimes the only solution would be to use the well-known CyanogenMod, which, although it has many of its own "chips", is in many ways similar to stock Android. Thanks to this development, owners of even fairly old devices can use the latest versions of the system.

Refusal of "branded" shells

Many popular manufacturers (let's not point fingers) are very fond of equipping phones with their proprietary shells, which, however, is not to the liking of all users. Not only are many of them frankly ugly and inconvenient - as you know, this is a matter of taste, but they also manage to noticeably slow down the system. Naked Android against this background shows speed records and impresses with its responsiveness.

Yes, of course, you can install your own launcher and remove all these widgets, but there is no way to refuse all the dubious settings that the manufacturer has made in the operating system. So in order to get a truly "clean" Android, you will need to install a custom ROM.

Removing pre-installed software

Having received your brand new phone and played enough with the programs installed on it, the understanding gradually comes that it would be better if they did not exist at all. Most often, manufacturers complete the software package of the device, focusing not on expediency and quality, but purely for commercial reasons. In addition, these programs are considered system programs and it is not so easy to remove them. As a result, we get an apparatus full of frank rubbish that prevents us from living.

A radical solution to this problem is just flashing the device to a custom assembly that does not contain a preinstalled software.

Getting more features and system settings

Many firmwares are so different from the original Android appearance and a set of functions that we can already safely talk about independent operating systems. First of all we are talking about such popular Chinese projects as MIUI, Lewa, Oppo, which are developing at a gigantic pace. It is likely that once you try this oriental cocktail, you will look at the insipid Android dish with undisguised regret.

Other firmware, such as AOKP, although they are based on stock Android, but give such scope in the settings, such customization options that owners of ordinary smartphones never dreamed of.

Safety

It may sound strange, but firmware created by the free community can sometimes be more secure than a Google product. In them, if you wish, you can completely get rid of the all-seeing eye of this company, completely replacing all their services and applications with third-party developments. It turns out, therefore, "Android without Google", no matter how strange it may sound.

In addition, many custom ROMs contain a built-in antivirus and are so detailed settings permissions for each application, so that you can thoroughly specify who, what for what purpose can move on your device.

Reasons not to use third-party firmware

But, as you understand, everything is far from being so rosy and there are quite serious problems that you may encounter in your experiments with firmware.

bricks. The flashing process, although thoroughly designed and fairly easy, with some degree of bad luck and curvature of the hands, can turn your device into just a dead block of plastic and microcircuits.
Battery problems. Custom ROM may not be optimized enough for specific device and drain your battery faster than the official firmware.
Hardware problems. Your new firmware may not fully support all the hardware in the phone, so you may encounter errors, individual broken modules and other issues. For example, your device's camera may not be shooting as well as it used to, or your GPS may be suddenly slow to find satellites.
Mistakes. The manufacturers of your device do a good job of testing the software before releasing it to the market, which, of course, cannot be said about independent firmware developers. Therefore, you may meet annoying mistakes, which, although they will be corrected in the future, can spoil a lot of blood for you.
Guarantee. In case of application third party firmware you lose your warranty. If this is important to you, then consider it.

And now I would like to know your opinion about the need to flash Android. We ask you to participate in the survey and express your point of view in the comments.

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26.01.2011 12:54:16

Very often lately problems in software are solved by flashing. This word is on the lips of service center workers, "craftsmen" and the most ordinary users mobile technology who want to get as many services as possible from their mobile friend or tweak the work of some of its functions. Despite this spread of this concept, many phone owners are still afraid to use just such methods to refine or correct certain features of the phone. Let's try to figure out what is the usefulness and what is the harm of flashing, which many advise as a panacea for many telephone "diseases".

There are a lot of forums and communities on the net where they offer flashing services mobile phones, answers newbie questions and offers detailed instructions with full description process. But almost no one will tell you if it's really that safe. More precisely, they will say that mobile phone manufacturers will do it, which for the most part are against such interference in their creations. By the way, in some countries of the world, flashing phones will soon be criminally punishable.

A few words about what flashing is

To begin with, let's deal with the terms that we most often hear on this issue - flew off firmware, flashing and their derivatives are required. Very often, these concepts are remembered when the phone starts to work poorly or its functions become insufficient. Or, during operation, it turns out that the phone is not able to perform a number of functions that were available in another phone from another manufacturer.

Most often, the reason lies in the operation of the phone software - the so-called "firmware". If they say that “the firmware has flown”, this means that it has started to work incorrectly, incorrectly cope with the tasks assigned to it, or does not work at all. In this case, it needs to be reinstalled (by analogy with operating system for your computer) or update.

Software is not a complete system, rather, it is a set of modules that work in parallel, each of them has its own tasks, and each of them can have its own breakdown that does not affect all other modules. And here we are waiting for another new concept - "full flush". It means nothing more than a complete set installed programs in phone. A synonym for this concept is the word "monsterpack" - usually it means those modules that are installed by the manufacturer. The latter includes phone software as such ("flash"), FlexMemory and EEPROM.

Flashing capabilities

Before talking about disadvantages of flashing, does not interfere with finding out exactly what positive it gives. And it gives a lot of useful and good things:

The ability to work with a newer version of the software, which usually has already fixed minor flaws that were noticed after the release of the firmware;

Minor revisions of the shell interface, sometimes replacing the graphic part - pictures, icons, additional installation themes, etc.;

Reassignment of key functions (default assignments of the navigation key, for example);

Slight improvement in camera performance in terms of image quality;

Changing the sound parameters of the speakers (often come across models with very quiet speakers).

How is flashing done

It's one thing to want to do a flashing, it's another thing to decide on this step. If only because for this, in the most ideal case, you will need to visit service center, which employs professional engineers with appropriate training and experience. We categorically do not recommend contacting friends, acquaintances or simply unknown persons on an ad - you never know what you will get in the end, but you still want to get the phone in working condition, don't you?

Another option is online. firmware update, but with this everything is clear and everything is legal: the manufacturer offers you to update the software the next time you connect your phone to a PC, although this can not be done with every phone (although this is not a problem for modern models). You simply confirm the update request, and all the necessary files are downloaded into memory on their own. The most that will need to be done after this is to reboot your device for the changes to take effect.

Flashing Disadvantages

And so we got to the most important thing that we wanted to know: how much flashing is harmful for mobile phone. If you are dealing with official firmware from the Internet, which the phone itself offers to download, there will be no problems. The same applies to service center employees. But if you yourself or some outsider got down to business, expect the following troubles:

If your phone is up to flashing was under warranty (and usually it is about one year from the date of its purchase), then after flashing you can safely say goodbye to it: the warranty ends on a model that is flashed, no service center will want to compensate for losses and work with it for warranty service, only for money;

Perhaps this flashing will become last action, which you can do with your phone - it may well not turn on after that or, when turned on, does not respond to your presses in any way, in some cases the call function disappears;

Part software features simply disappears - for example, sending messages in Cyrillic, non-working wireless modules and so on.

As you can see, troubles will await you with a high probability, although no one excludes the possibility of a positive outcome.

If you still want to take a chance and reflash your phone

Don't say, we didn't warn you. This is a serious and responsible step, if you want do a flashing themselves and at home. To do this, you will need to purchase a data cable (or it was already included with your phone). Next, you should find the desired firmware on the Internet (be sure to check it and read reviews about its performance). In some cases, they are also available on manufacturers' websites, although this is the exception rather than the rule. And lastly, find detailed instructions on how to install it. Haven't changed your mind yet? Then just follow the instructions, and the result will only be a consequence of your decision. And one more thing - say goodbye to the warranty on your phone if the warranty period has not yet passed. We hope it will still be positive.

Firmware is a set of programs that ensure the normal functioning of a cell phone and the performance of all the functions that it must perform - calls, messages, as well as multimedia functions described in the technical documentation. When incorrect work firmware, it is easy to replace it, just follow a series of steps.

Instruction

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Installing a new firmware on the phone is sometimes just necessary. After all, modern mobile phones are more like a computer with a call function than ordinary cell phones, which a few years ago accounted for most of the products of such giants of the mobile industry as Nokia or Samsung. Menu delays, spontaneous system reboots, application freezes - this is an incomplete list of problems that are successfully solved by flashing. Can I reprogram my phone myself?

You will need

- USB cable;
- a computer with Internet access;
- software for flashing the phone;
- new firmware.

Instruction

Save all user data to an external memory card. Make a backup address book, installed applications and photographs. If necessary, save the internet cache. With a 90% probability, all these materials will be erased during a flashing. If possible, use the so-called "cloud" services such as Dropbox, Google Docs or Sky Drive for additional data backup. Rarely, but there are times when external card memory is not available after installing a new firmware.

Go online on the phone you are about to flash and find the software version information. Make a forced request to check for an update. It is possible that a new firmware version from the manufacturer already exists and the device itself will offer to download and install it. Pay attention to the way the mobile phone is connected to the Internet. The amount of data to download might be too much for a GPRS connection, not to mention the price paid per megabyte. It is also worth bearing in mind that an unsuccessfully completed update attempt can theoretically turn the device into a “brick”. After this sad event, a trip to the service center cannot be avoided.

In case the mobile phone could not find updates for its software, go to the phone manufacturer's website to find the firmware there. Download it to your computer and run special program, which usually comes with a cell phone and provides a complete joint work apparatus and computer. If such a program is not in the box with the phone, it can be easily downloaded from the site of the mobile phone manufacturer.

Connect the phone to the computer and run a special program. Following the instructions on the screen, initiate the process of installing a new firmware and wait for it to finish. It is important to be careful not to turn off the power of the device, and also to make sure that the USB cable does not accidentally pull out of the phone port. Otherwise, you will have to repeat the entire update process again.

If you are experienced user, then try installing the so-called custom firmware. This type of firmware is developed by third-party programmers, fans of certain phone brands or models. As a rule, the installation of such software requires some knowledge of the cell phone, necessary utility programs for installation, as well as self-confidence. Custom firmware usually has a lot of advantages compared to official ones, but you should be aware that the user does the installation of such software at his own peril and risk. In the event of an unsuccessful completion of the process, it may be denied warranty service based on the presence and use of unofficial firmware.

The process of updating software is commonly referred to as firmware. Typically, this method is used to make changes to the functional set of devices or to correct errors found in their work.

Firmware required for device execution certain tasks. This is a non-volatile part of the memory that contains the information necessary for correct operation microcontroller. Usually, firmware is carried out by installing a specific memory chip. Some equipment can be re-flashed. Naturally, this process is performed not by changing the chip, but by changing the contents of its memory.

Modern devices are flashed mainly to correct various malfunctions. Errors found during the operation of the equipment are analyzed by specialists. Based on the information received, a new firmware is created, designed to improve the quality of the device.

Sometimes firmware allows certain devices to perform other functions. For example, after flashing some old models cell phones, you could use their cameras to shoot video.

Some devices are initially created to work in a specific area. Changing the firmware helps to adapt the equipment to other operating conditions. Many manufacturers of these network devices as routers and switches are advised to update their firmware before using the equipment in Russia.

Most often, new firmware is created by the manufacturers of certain devices themselves. Sometimes firms develop special applications allowing you to quickly replace the firmware specific device. It is not uncommon to come across equipment whose functions include the ability to update the firmware. This approach allows you to quickly correct the identified errors yourself, without contacting specialized centers. It is noteworthy that the firmware can affect not only the quality of the device, but also its speed.

ROM is Read Only Memory. It is called permanent because even when the power is turned off, it must retain the information recorded in it. In the form of microchips, this type of memory is used in all computerized devices - mobile phones, home theaters, players, etc. They store software for controlling the operation of the microprocessor device. It is on this set of programs that it depends on how well the device will perform its functions, how much electricity it will consume, how often it will fail.

When assembling the device at the factory, the first “firmware” of the ROM takes place - the computer codes created by the programmers are written into it. However, after the release of the device on the market, work on it does not stop - the company's coders eliminate the identified shortcomings and add new functions to the software, which make it possible to better use the capabilities inherent in the device. Modified versions are posted free of charge on Internet sites in the form of specially prepared files, which are often also called " new firmware". If you download such a file and transfer it to a proprietary program (firmware) that knows how to handle the firmware of this particular manufacturer for this particular device model, then the program will replace the contents of the ROM with a new one - “reflash”.

Manufacturers recommend such a flashing or “software upgrade” operation with the release of each new version BY. Although, if the device works with the factory firmware without causing any problems, then it is not at all necessary to do this, at the risk of running into any failure in the flashing process. It would be more correct to familiarize yourself with the list of changes in the new firmware version and decide whether it is worth the risk.