Do-it-yourself phone repair where to start

In detail: do it yourself phone repair where to start from a real wizard for the site my.housecope.com.

You may have already heard about the video course "Effective DIY Cell Phone Repair"... This course appeared on the Internet quite recently and, to be honest, the topic the author talks about is very interesting to me.

How can this video course be useful?

If you are interested in repairing cell phones, then you probably faced a lack of knowledge and experience in this area. Not everyone has the opportunity to attend full-time training courses on cell repair, and their cost is quite high.

But today the state of affairs is changing, and you can learn how to repair cell phones on your own. For those who are not familiar with electronics for the first day, mastering the video course is not difficult. There would be time and desire.

If you are engaged in cell phone repair seriously and regularly, then in the future you can open your own workshop, since the service for the repair of mobile phones is now in great demand.

A few important points about cell phone repair.

Being engaged in paid repairs is extremely important arrange the supply of spare parts and parts for repair. I repeat, this is very important!

Let's look at an example from real life. Personal experience.

When doing a paid repair of electronics (not cellular), I ran into a problem. It consisted in the fact that there were no spare parts and parts to replace faulty ones at hand. Drive to the city for 150 km. because of some microcircuit it was expensive. Moreover, the electronics that were brought in for repair were not of the same type. What does different mean? This means that today they brought a car radio, tomorrow a TV set, and maybe a thermopot. It is clear that buying in stock the necessary parts for repairs in this case is extremely unprofitable. Especially if the number of orders is small. It is extremely difficult to use parts from the store and thereby recoup the money costs for them.

Video (click to play).

The situation is different for mobile phones. A mobile phone is a product of the same type. For the sake of interest, try to disassemble 2 - 3 phones in a monoblock type case. You will see that the construct has a certain pattern. Mobile phones at the factory are stamped by robots, and the developers only change the appearance and some functions. Otherwise, everything is the same.

Also there are certain running models... There are the most common malfunctions of these models. Repair such devices of the same type easier... All radio mechanics know this.

Those who are engaged in the repair of cell phones sometimes buy 3-5 running displays, cables, connectors, connectors for future use, so that the demanded part is always at hand! How do they know this? Of course, from my own experience.

Several years earlier, there was an acute shortage of spare parts for cell phones. Cell phone parts were difficult to find even on the major radio markets. But now the situation has changed dramatically. Almost in any large city you can find shops specializing in the sale of spare parts for cell phones, smartphones and tablets: displays, cables, connectors and others. A good example is the network of stores "Profi" and "GreenSpark". Such shops give discounts to regular customers and workshop owners!

What is also pleasing is that the prices for spare parts for cell phones have become available and in most cases, mobile repairs become economically justified.

Also, special equipment for the repair of cellular and consumables became available: fluxes, solders, solder pastes, stencils for BGA and much more that is not even always needed during the repair process.

I believe that this situation is huge plus, since the availability of spare parts for repairs is one of the most important components of success!

But, unfortunately, not everything is as great as it might seem. Based on my practice, I can say that there are a lot of outright defects among the spare parts sold by well-known chains. Therefore, I recommend that everyone who starts repairing to check the parts on the spot, keep the seals on spare parts until a full check and receipts from purchases. In many cases, sellers respond adequately to the return of defective goods, but in any case, it is necessary to know the procedure for returning the marriage.

Also forget about original parts. They simply do not exist. The original is installed in the device that you are repairing, everything that is sold is copies of different quality.

You can save good money if you buy consumables, tools and, in fact, the spare parts themselves on Aliexpress. But here it is worth understanding that delivery from China takes on average 1-2 months, and customers do not like to wait. Checked. But, such popular spare parts as microUSB connectors can be bought with a margin and not worry that they will run out at the most inopportune moment.

Will a complete "kettle" in electronics be able to master the repair of mobile phones? I just want to say: "No!", Or "More likely no than yes." In any business, it is important to know basic principles... Naturally, radio electronics also has its own basic principles that even the most stupid master needs to know.

Knowledge of electronics is highly appreciated. It is also worth noting that the author of the course "Effective DIY Cell Phone Repair" devoted the first few video lessons of his course to basic electronics components and reading circuits. In my opinion, this is a very correct approach to presenting the material. Without knowing the basics, it will be difficult to count on anything more.

Therefore, quickly master the repair of mobile phones in this course without basic knowledge, with a "jerk", rather fail. But it makes no sense to dive deeply into the circuitry of cell phones either. Most of the faults are of the same type and do not require the use of complex equipment for repairing cellular or special knowledge in circuitry.

I do not know how video decoding occurs in the processor of a DVD-player and I am only superficially familiar with the circuitry of these devices, but this does not prevent me from troubleshooting typical malfunctions of DVD-players. The minimum that may be required when mastering the course materials is experience. Also desirable is an interest in radio electronics and even a little knowledge in this topic.

Practice, practice and more practice!

Practice is very important in electronics repair, especially in electronics such as cell phones. The experience that is gained in the troubleshooting process is "Golden asset"that will work for you in the future.

Newcomers, as a rule, at first encounter difficulties, it seems to them that the repair time for one device is very long, and abnormal situations arise. But this path is passed by all the masters... The more devices pass through your hands, the more confident you will feel when repairing new, complex devices. Therefore, if you want to seriously deal with the repair of mobile phones, then think about where to get the devices on which you can at least practice, “fill your hand”, learn how to correctly and accurately disassemble / assemble the phone, solder the cable, connector, microphone, etc.

Read also: DIY Largus starter repair

Attention to details.

A cell phone is a very technological device and should be treated with respect. When renovating, it is important to pay attention to the little things. For example, if you carelessly select a replacement display or board, you can throw money down the drain. I bought a display, replaced the broken one in the phone, but it doesn't work ?! What the . Ah, the revision is not the same. Exactly. We'll have to buy another one.

A banal and stupid situation. And all because of inattention to those little things! In a cell phone, even an unscrewed bolt can cause it to malfunction. And this is a fact.

And for a snack.How much can you earn?

Let's not "hover in the clouds" and build "castles in the air", but just roughly estimate how much you can earn by fixing, for example, 10 cell phones with simple malfunctions? The average cost of repairs, even for the most ordinary and minor malfunction, is 500 rubles. For 10 phones we will receive 5000 rubles.

Those who are engaged in the repair of mobile phones professionally and have an established flow of clients, receive income, the value of which can reach 200,000 - 300,000 rubles. per month. In this case, it is necessary to repair about 200 devices a month. This amount may well be earned by 1 master.

Commendable!

But for a beginner to create a business on the knee and earn 200,000 - 300,000 rubles. per month? Sorry, but this is fantastic. Although there is one thing ...

I have already said that I myself occasionally do paid repairs and for me even 5,000 - 10,000 rubles. from cell phone repairs would be a good start. Yes 200,000 - 300,000 rubles. a month is cool, but you need to correctly calculate your strength. At the same time, it is not necessary to open your own service center, to become an entrepreneur. For starters, you can do cell repairs at home in your free time. Many radio amateurs are engaged in paid repairs. This is an additional income and a favorite thing. And this is great!

Those who are not satisfied with what has already been achieved open additional service centers and hire an employee. Most often, they themselves teach him the basics, since the repair of cell phones in technical schools and universities is simple do not teach... Alas, this is a fact.

Do not forget that the so-called “20/80 principle” applies in any business. It is also called Pareto's law. The bottom line is that out of 100% of beginners, about 20% achieve success. The rest either quit or start doing something else. This is, of course, a rule of thumb that does not always work, but you need to understand that you have the right to fail.

You can learn how to repair cell phones and become a master, but not everyone can run a repair business.

Let's consider one of the main reasons for the failure of a mobile phone: "various liquids hitting the board" does not turn on, a white screen or some buttons do not work. Of course, before opening the case, you need to know the cause of the breakdown. If one of the above is written, read on.

We open it, conduct a visual inspection for the presence of corrosion, dirt and other unnecessary substances.

First of all, we remove all plastic parts, in general, everything that can be removed is detached. Do not forget about the film with membrane-type keyboard buttons, we also peel it off (this is on other models, on ours the keyboard board is disconnected).

We take a cleansing liquid (such as alcohol, Kolosha gasoline, cologne), I use Isoprapanol, it does not have an unpleasant odor like Kolosha.

We take a toothbrush, who doesn't mind a new one, dip it in alcohol, and clean the board until it looks like new - especially the contacts for the display, the USB connector. Do not press too hard, some components may be demolished.

We cleaned it, now we take the flux, take a brush, smear it with flux near the microcircuits (more), put the hair dryer at 325 degrees and warm up all the microcircuits in a circle and in the middle, the distance from the outlet of the tip (nozzle) of the hair dryer to the surface of the microcircuit is 1.5 cm. it is better and more economical to take a medium diameter.

We heat to such an extent that the tin melts at the components located around the perimeter (adjust the temperature to 330 degrees). Very, very neatly shake the microcircuit with a needle so that it moves a little. It is important not to wobble too much, otherwise it will slip off the contacts, and so on with all the microcircuits not glued (without compound). We also warm up the filters, in order to remove the flux, you can use an ultrasonic bath, but we will do it differently.

We pour alcohol under all the microcircuits without a compound, hold it for a little so that the alcohol has time to collect all the dirt. Now we take the hair dryer from the soldering station and blow it under the microcircuits. Blowing alcohol out from under the microcircuits in this way, we do not need it there.The temperature of the hair dryer should be for warming up, not for soldering, it is in the range from 260 to 290 degrees, depending on which station.

Done, let's move on. Now let cool and collect. If the breakage is fixed after assembly, then "Hurray, everything is ready." If, nevertheless, the white screen and non-short buttons do not work, you need to replace the filters or put jumpers, but that's another story. The most important parts that can fail after water or after a fall (impact) are filters (so-called glasses), they look like this.

You need to do the same with them as with the rest of the microcircuits, only solder these places more carefully. Warm up, stir, about the flux (do not forget to apply) with it, the components will not get off the contacts. Now everything seems to be. What we have done only applies to breakage due to moisture getting inside the phone. Other breakdowns, such as "does not charge" or "the network does not catch" - this cannot be fixed, components will need to be replaced. More about this in future publications. Best regards, OPA.

I cannot find on the forum such information as:
where to start the repair (soldering iron, tool, computer, cables, programmer, etc.)
The required minimum of everything you need to get started.
About Me:
there is experience in repairing phones with a soldering iron and a multimeter (primitive, of course, but some malfunctions are just elementary)
I can assemble a "bug" on SMD at home
Ohm's law I remember!
It's time for mine to master mobile repair.
Incentives:
Just tired of working for the bourgeoisie, you have to think about it!
Thanks in advance to those who respond!

—————————————————————
RS: This question has always been important, so I edited the topic and hung it up in a prominent place for all new arrivals.
(modered by voffka)

Equipment:
1 Soldering station (hair dryer + soldering iron, smoke catcher is possible in the kit)
2 A set of screwdrivers (various sizes, hex, cross are the main ones), I personally also bought myself a set of clock screwdrivers
3 Tweezers (straight and curved)
4 Tool for opening cases (it is better to use plastic ones)
5 Cables for firmware
6 Programmers (you can start with UFS)
7 Good lighting
8 Stencils for rolling balls on BGA microcircuits
9 Paste for rolling balls (there must be a good paste and an inactive flux)
10 Microscope
11 Ultrasonic bath
12 Multimeter
13 Power supply (1-15V)
14 Alcohol (you can use gasoline like a galosh)

well, I would have thrown out of here:
1.smoke catcher - (due to the fact that gasoline or alcohol does not take good dirt very well, usually everyone uses a mixture of 5050 technical alcohol and a solvent, and it stinks more than smoke from soldering)
2. Ultrasonic bath - (there is little sense from it, it does not always help, and at first it is absolutely unnecessary)

And how long did you work for the “bourgeoisie?” How long do you spend on repairs?

To all of the above tools I will add that it is very desirable to have a hood.

About the smoke catcher, I wrote what could be included, in principle, a useless thing, the hood is much more useful.
And as for the ultrasonic system, it is a good thing. Ultrasound will pass where no brush will pass, in my opinion it is a very useful thing.

mas-rThe RAS is a good thing.

.. how much are you in the repair?

voffka, I support. My identity is gathering dust on the shelf.

A friend has it. It washes stencils very well. Sometimes it can be used to wash phones, but only at a lower power. Otherwise, after the knots, the bodies may not turn on at all.

I can do without it. Short-cut toothbrush + galosh + pin 60 rules.

Good day!
I have been working for 10 years as an electrician!
I have been doing repairs since the 9th grade, although then there was no mobile, I started with tape recorders, TV sets.

A toothbrush, okay, but what about a galosh? contact 60?

Rinse with galoshes and a brush first, and then with a contact. This is if the phone was in water, all sorts of oxides, dirt.

I'm going on vacation in February

I want to buy a programmer from vacation. What would you recommend?

.. green - with a red cross on the side.

what kind of certainty there is an aim. what models can you work with?

I apologize for the inaccurate question.
They carry different phones, so I ask what is needed to begin with, I think the most common in our country: Sony Ericsson, Samsung, Nokia.
Or do you just need to choose one thing to start with?

For a start, you can also ufs-3 with HWK. If you carry a few phones, it will just pay off quickly. In addition, if there are good familiar masters with a bunch of equipment, then you definitely should not take a lot of boxes IMMEDIATELY.
I personally only have ufs, as there is an opportunity to do it inexpensively from friends.

But if you are going to renovate for a long time and seriously, and besides there are many clients, buy separate boxes for phones.
Nokia-MT box or JAF (for unlocking a Nokia BB5, you also need a separate box), Samsung-UST2pro, NS pro, or a product from Z3x, Sonierixons-SEtool.
Also, assemble a universal programmer on the MAX232, sometimes you need to make some phones through the COM port.

phones really do not carry a lot. Unfortunately, there are no acquaintances.
you will not tell me what kind of online store you have checked where you can buy the programmer (I count the days until the vacation, I think it's time to order, it will be in time for the vacation)

dell641, as soon as you start doing repairs, acquaintances in this business will surely appear. the programmer is probably in the fuel and lubricants service. forgive me the moderators

oh yes I forgot to buy a programmer with the largest possible number of cords

Bullshit. Take universal ones right away. For example, to infinity pinfinder, to Jaf BB5 universal cable and less than a dozen standard usb cables, etc.

forgiveness from all the gurus, for me the topic is still alive. Boxes are in the only special store with us mu-mu, stay tuned. Can they generally be ordered through the Internet?

9mashinist, Can. In search of a bunch of sites. I work with fuels and lubricants, Sirius and Dood

Bogov: forgive the "poor fellow" tell me how to ask a question correctly, or give me a link.

By the way, I "work" not on the BB, but on the device, maybe that's the problem.

rommy: thanks for the link, big PC I use a “device” communicator.

I apologize, in the sense of an Internet lazyu on a handheld.

But what about hot tweezers or a gas soldering iron, how is it to solder smd resistors and capacitors blown off the board through carelessness

valio, smd resistors and capacitors are wonderfully soldered with a hair dryer (soldering station).
So hot tweezers or gas soldering irons are NOT needed to repair cell phones.

I'm not a professional, so amateurs. but a subtle / always / sharpened simple soldering iron is always at hand, where a hairdryer cannot be done with it.

A soldering iron is needed anywhere without it, a thermal tweezer is a thing in itself, useful in general, but a friend has a useless load. he gets it very rarely, although I periodically dream about it

on the topic: also a question, for various reasons, I have a third Lukey852d + - none at all, then what is earlier by three hundred ° at the last 450 °.

9mashinist, well, the Chinese calibrate them this way

You can calibrate yourself .. take a thermocouple, for example, or not suffer, but with the Russian "poke honey")))

but it's easier not to calibrate but to stupidly estimate the temperature difference))))))) and put in divisions, that's enough for me

ingenegrwhen the hand is full, and already "with closed eyes" got used to his station - then it is easier in divisions

“I’m standing on the asvalt, in my skis, shod with my skis, if I’m not on my skis, if I’m worn out” is my first impression of the new “devices”. So the devices are good, but my personal experience is better.

I figured out the temperature by rolling the balls + with a newspaper

Good day, dear!
I decided to buy a programmer HWK + UFS-3 micro + a set of data cables 100pcs
What do you think will go to start?
And what does it mean “with support on the site
The site is in English, but I know Russian, will I be able to use this device normally?
I hope for your help.

dell641: I have little experience, but the support sites are where you can download special programs to work with a specific device. On that site this is the line-HWK Support Suite Setup v02.08.000. 4.24mb. And about this device, the opinion of the guru is most interesting.

and also a question-book for beginners on modern renovation! mobile.

Here is some of what I started with in 2005 biblia

In general, you need hands, a head, a station, ultrasound, stencils, bga flux and paste, reading diagrams, desire and experience. In short, to a beni-give a damn and whoever decided to start it, it’s better not. Not to become a special, but grabbers are already enough.

vik1965: personally, I'm not a special fan, and I have several years of experience. the founder of the topic of rights, many breakdowns are elementary, but time goes by and modern mobile phones do not have the necessary devices. I have a set of stencils, as it turned out, it turned out to be just iron. Thanks for attention to the topic.

very useful, I'm starting to repair phones myself, but I haven't bought the programmer yet.

Hey! tell me the assembly diagrams of programmers for phones ??

tell me which programmer to buy to get started ?? HWK + UFS-3 micro (you can make the cords for it yourself.)) and UFS-3 TORNADO with a set of data cables (86 pcs)

And what kind of keys with programmers are on sale? For example with Jaf or Ufa? Which ones are stuck into yusb, what are they for?

what do you need to flash phones?

and how much does it cost.

I don’t know about you, but there must be a lower pad heating from the Cyclone programmer! and most importantly the mind!

Please tell me what is the difference between UFS3 & HWK and UFS3 + HWK and what is better to buy.

voffka, but what about the size, design

But if the size and design play a role in the firmware.

For a start, you can do without orange. You can type Phoenix_Service_Software for nokia. . for sony SETool2_Lite.XS and so on and so forth

And here no one will tell you where to start. because everyone is smart here. and bread

they won't bite off theirs

Ernest08, I completely agree. one hundred%

... I bet everyone will doubtfully agree. But if you were 8 years old and pulled the girls by the pigtails and played ninja turtles with the guys from the yard, then you have nothing to do on your phone.
.

I'll tell you a secret, I pulled the girls by the pigtails, and a little later it’s even embarrassing to admit what I did with them. Yes, and I will not hide my sin, now I also continue in the same spirit 😀. And it somehow does not interfere at all with mastering Kirchhoff's laws, graduating from a technical school, an academy, and getting sick of radio engineering for 20 years for sure.

= I have been rummaging with phones since the moment they came out this year 4 and then I do not know everything!

As of today, phones have come out, not counting the NMT. Nine years have passed. I took 7.01.2001 first. And before that, the year was only for tanks and only for a contract. And radio equipment and repair of everyone from the age of 12. And I don't know EVERYTHING.
And about how to become a master. You can't answer right away. You need a HUGE desire. Knowledge of radio electrical engineering (at least elementary), patience, perseverance. And of course the material ones. Tool, equipment. And, of course, a good knowledgeable comrade who will not be “goofy” when giving advice on repairs. Only (advice when you “grow up”) you don’t need to “pry” him later. (It's a bitter experience)

Reading the forum many dozens of times I meet the wish of members of the forum to learn Ohm's law and a little more advise to learn the Kirchhoff rules. Even suspicions creep in that besides these two postulates the people know nothing. We are here repairing power supplies or a complex electronic device in which the same Ohm's law of course works, but with amendments and does not give a complete picture of the processes taking place. For a change, advise something more specific to dispel doubts that we are not made here by a felt boot.

For example, you need to know the basics of microprocessor technology, the basics of circuitry, the basics of radio physics, the basics of solid-state electronics, what is and how the p-n junction works, and so on, etc., and bothering with electrolysis to understand what will happen if water gets into the phone!

All advice is thrown at you, but! Are you friends with electronics? Information about yourself and the motives to engage in reanimation of phones will not hurt.

Reading the forum many dozens of times I meet the wish of members of the forum to learn Ohm's law and a little more advise to learn the Kirchhoff rules.Even suspicions creep in that besides these two postulates the people know nothing. We are here repairing power supplies or a complex electronic device in which the same Ohm's law of course works, but with amendments and does not give a complete picture of the processes taking place. For a change, advise something more specific to dispel doubts that we are not made here by a felt boot.

Do you really think that Ohm's Law is not worth knowing? Judging by the numerous posts of many users, I can say for sure that half of them just started repairs with "warm up, shake, ask" and continue in the same spirit. And this unfortunate Ohm's law is unnecessary for them. Not to mention p-n junctions, the basics of building microprocessor technology, address buses, data, triggers, decoders, multiplexers, organization of information storage modules, calculus codes, etc. And also those who do not know analog technology, do not understand the processes displayed on the oscilloscope, what a capacitor is, what are its parameters, what is ESR. Kirchhoff's laws are not worth knowing? But what about the distribution of currents and voltages in circuits? Who goes into this? I am sure that most of them do not even know how to read diagrams, they grew up on solyushki.
How to Become a Cell Phone Master? Yes, in principle, it is not so difficult, learn theory, combine it with practice. Visit forums, ask questions, and they will help you with this. If only there was a desire to learn.

Do you really think that Ohm's Law is not worth knowing? ...

You misunderstand. Ohm's law in its pure form is only suitable for repairing memory! For competent phone repair, you need about what you listed in your post, what, as an example, I gave. In order to know this, Ohm's law will have to be learned. I am worried that many people can understand that armed only with Ohm's law it will be possible to fix everything. Therefore, I urge you to advise something more specific. If a person asks you where to read this or that book, you won't send him to teach the alphabet ?!

If this is not in my soul, then this will not happen. Everyone who makes phones began to engage in electronics from the age of 8, and with radio receivers. I bet everyone will doubtfully agree. But if you were 8 years old, you pulled the girls by the pigtails and played turtles with the guys from the yard Ninja, you have nothing to do on your phone.
Do not bother other craftsmen to work. There are no corpses! There are crooked hands!
I think these should be driven! I've been rummaging around with phones since the moment they came out this year 4 and then I do not know everything! And then some kind of g ... ... don thinks that he can do everything he can get into the phone breaks it to the end he says to the client that the phone. It was impossible to do it. The next day this phone comes to me or to you and we see that the phone could still work, but its the same. ... don broke! isn't it a shame? this is our bread!

What kind of nonsense are you chasing? I first took a soldering iron at the age of 16 while studying at the College of Electronic Engineering and my first experience was unsuccessful, but I realized that this occupation was to my liking, and a year later I took 1st place in the competition “Best radio installer” held in our college.

Message from Igor Sharipov -
“I've been rummaging with phones since the moment they came out this year 4“

I don’t understand where they were four years ago - “Came out”? Smoke chtoli. And they still haven't returned.

If about that when you saw them the first time, that is another matter.
Here I am, for example, 10-11 years ago. D: D: D.

Message from Igor Sharipov -
“I've been rummaging with phones since the moment they came out this year 4“

I don’t understand where they were four years ago - “Came out”? Smoke chtoli. And they still haven't returned.

If about that when you saw them the first time, that is another matter.
Here I am, for example, 10-11 years ago. D: D: D.

About 10 years ago, they entered our life.icq12: and then it started - first trading used, then unlocking. software repair. and now repairs of any complexity! : icq03:

And I'm a musician by education, for example. Only my father was a senior engineer (the kingdom of heaven to him) worked at the airport. In my room there was a corner with all sorts of “very necessary things” that annoyed my mother very much. There was an escilograph, I remember exactly, a bunch of different boards. all the small things lay in boxes. Everything seems to be in its place, but in general in a complete mess :)

After school, I thought for a long time where to go to study and nevertheless chose a music school, because I just finished a music school and they were waiting for me there. And then I got a phone. Semyon S60. In general, if a person is interested and likes it, he will learn and it does not matter who he is in education. Moreover, there is enough literature for independent study.

Hello everyone. I'm 15 years old. I don't know much about the radio. I have finally decided to go to the end, what do you think, can I become a phone repair master ??

Young man, not worth in your 15 years is striving to become a master of phone repair. By the time you graduate from high school and college, you may need android repairmen, not phones.
If you like physics and mathematics, if you like electronics, if you are interested in assembling a radio or fixing an old player yourself, then after learning you can become some kind of master (perhaps those androids or spaceships).
Choose a profession to your liking, it should bring joy and satisfaction. It is very difficult to work in a job you do not love, and sooner or later you will part with it. Anyone who is now a telephone master did not strive to become one since the age of 15. At 15, I didn't even know what a cell phone was! But I clearly knew that I would be an electronic engineer.
The Master is the lowest level. It is necessary to strive to become a developer, although in our country this is not yet appreciated, but who knows what will happen in 10 years?

In general, what is needed to start repairing phones. That would be to learn technically, see it not to anyone it will not hurt

Start by repairing cassette players, old tape recorders, doorbells, in short, which is simpler, you do not need to immediately climb where you have no idea what you will stumble upon.
As far as I remember at your age, you haven't even gotten to electronics in physics, so you may not even have basic knowledge (unless you read it yourself) Start with a theory, with what radioelements generally exist in life, how they work and what are they for.
And in general, if you want to learn how to repair cars, then first you need to learn how they work and how they work, then learn how to repair bicycles, and only then make an attempt to open the hood of the car. Otherwise, there is nothing to do there.

A small digression. It would be nice to pay attention to your speech and spelling. At least not to make grammatical mistakes, in punctuation hardly anyone does not make mistakes. The ability to speak and write correctly and beautifully will open many doors for you, while inability and ignorance will close them. Many deliberately do this, slang and the like, but each region has its own slang and some may simply not understand you.

There is such a thing called "Reading circuits"

Maybe you meant the circuitry? There is the "Reading circuits" skill, but not the subject.
Moreover, in universities it is not singled out separately, it is an integral part of electronics. Maybe, of course, in schools there is one separately.

There is such an appendage called "Reading circuits" I highly recommend that you familiarize yourself with it 🙂 otherwise it is not tricky to sculpt the slivers according to the soluhi, but a little step to the left a step to the right of the standard breakdown and it is already impossible to do it