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We have chapter books on computer repairing and maintenance tutorial pdf, computer hardware repairing books pdf, and motherboard repairing books topics. Peoples in Asia who knows Bengali, Tamil and Hindi search the following terms. The PDF ebook let you know all kind of feature phone, smartphone models hardware and software repairing.
Tagged In: how to learn mobile repairing pdf pdf Catalog pdf document repair mobile cell phone pdf. Facebook Twitter. I am Muhammad Asif Azeemi from mobile repairing online dot com I am the creator of this blog where people come to get mobile repairing training.
Now its completely not opening. Is there solution to fix it. Is it going to fix this problem permanently. Is a faulty IC or capacitor needs to be replaced. Are these components easily available and expensive? How to find the Bluetooth and wi-fi chip on me Lenovo k3 note mobile motherboard.
Hello sir, I would like to thank you for providing the valuable material to gain knowledge sir I needed schematic diagram of all the smartphone from where I can get it? My dear Santos Das,I am very intersted to have a book of how mobile phone repairing or guide line. So,I kindly ask you to send to me through my email adress. Please send me the ebook pdf and if possible ppt to my email here. Thank you very much for the support. I walked in the rain and my phone went off before i got home.
I left it for 14 hours to dry. Now the phone does not come up it just remained blank. I even charge it yet it does not come up. What do I do now? If the problem is still not solved then there is Shorting in the PCB that needs to be checked by some technician.
Hi Santosh! Great work! I have managed to download pdf file for tutorial from index only,indexes are missing. Can you do a favour on getting them especially on software section. But this is complete Book. It does not cover the software section. I will publish of the software section soon. Check the Videos and Unlock the Pattern.
Dear, sir i am vijay kumar and i am learn to mobile Repair how to learn mobile service please help me. Get enrolled in some good Local Institute and Practice more and more under some Experienced Technician for few months.
I have a phone GT-I of which the display light does not work. I bricked my lg v10 vs when upgrading through lg bridge. It went blank and when i connect to pc or laptop it makes the sound that something is connected. I sent it to repairer and later was told it comes on and off and now it does not connect at all. Now my phone is totally not connecting to any pc and does not show any sign of life.
Pls i need help. Please send e the pdf to download for mobile phone repair. Free software for flush and maintenance.
They are in middle right side of the connector and now i dont know where to connect their jumpers. So please help me anyone. Santosh Das, blessings. I just want to join the numerous other individuals who have wished you well.
May the Lord continue to bless you in every way so that you can continue to bless others with your unwavering patience and sharing of your tremendous knowledge. Be ever blessed. Sir my Nokia asha is dead and I tried to fix it by changing battery and all other methods please give me suggestions about fixing it at home. I am a student Rachit desai. Sir I have Samsung nobile gts i stuck on samsung logo.
Plz tell me how to install a softwear in it and also tell me how to make scattered file. I am thank full to u. I was confusing which I one choose or is there any one have than I choose above institute. Why am I confuse because in my past I make one big mistake ,I learned a institute in Delhi I am not satisfied there.
First of all I am from AP. I want to know which one provide best mobile repairing course. Is there a better institution than the ones mentioned above?
Can you tell me a good institution you know! I have a alcatel authorized service center in rajkot gujarat i have a original flash file for solve ur problem just contact me on whatsapp — I need the software which makes the phone on for yxtel g or send the name of good yxtel service center to my mail account.
Hi sir I am krishnarai from Bangalore my intex aquastar 11 model prob…. Interesting analysis! Sir ji my lenovo vibe k MY galaxy S 5 screen some times not respond it became black or nothing display on it while i try to on the screen. Some times it displays easily while i touch the power button but after a minute the screen becomes abnormal. I sir, I have duel sim mobile phone. Both SIM card slots are not working. I have ZenFone 6. Should I change the SIM card slots?
Sir when i search network manually in micromax x list comes but when i select my home its shows network registration failed….. And emergency call shows anytime How can i do.. Give me solution quickly. Sir I want to learn solve mobile repeiring please help I live Somalia i want reaper solve mobile work shop started please conact me [email protected].
Hi Sir Recently i searched internet for a solution for Blackberry z3 no sound at all. Someone suggested that i should insert earphones and switch my device on and off. That worked a little while and started again. Please provide me a permanent solution. Thanking you in advance George. It will be Too Big.
But all Mobile Phones of any brand are repaired in more or less the same way. You can Update any Android Smart Phone. Secondly thanks to you in appreciation. May GOD Reward you accordingly. Kindly tell me. If you are very serious then register with some good Institute for a short-term course. You will learn many things. Email: [email protected] or Phone number; Namaste sir my name is manoj and i have started mobile repairing job at my own shop recently i have a phone of G FIVE KEYPAD Its has a problem that the calls comeing on that phone get recive automatically without any setting problem or by pressing any key so plz giude me what i need to do!
Install samsung usb driver After Open samsung firmware folder This is a zip file extract the file.. Open file run Odin tool In your pc. Sir can you please help me with more mobile repairing PDF. Santosh, thanks a lot for your good work. I have now found a good place to learn. This website is very good. Sir, A worst software problem in my phone redmi 3s after 15 days from i bought now flipcart does not take any responsibility because 10 days over of its return policy and mi care people had no any idea of software or hardware related problems about this fon.
One of the worst and disgusting experience of life. Did you try to update the software. Update the software using the Updater App which is preinstalled. I myself use Redmi Note 3 and can say it is one of the best phones available in the market.
Try to Reset the Phone and then update the software. When i try to start my phone only screen start and show MI symbol on screen and no further start progress in phone..
Now click Refresh button and your device will get displayed on the tool. Your device will reboot by itself. Problem solved. How to install it as my screen is hanged on start? Dear Sir, Where could i get those repairing tools? I am planing to set up mobile repairing shortly. Please advise. Sir am very gratefull for this platform of yours may GOD bless u for share your knowledge with us.
You can easily buy a UV Light source online. They are not very expensive. Thank you for sharing the good job.. Thank you soooooooo much for sharing knowledge. May God continue to protect, guide, bless and enrich your brain for universe enjoyment. Thank you sir very very much such a great knowledge for mobile phone repairing hardware. Lenovo A wheb i plug in charger, the battery percentage was decreasing instead of increase…. Can the socket be changed?
Not able to download PDF book.. Thanx alot for the great work and insight. Honestly am in love with your material. Please sir can can i be your student? I just love your website. I want to download pdf of mobile repaire but it is showing that I am not the member if you can give the pdf then plz email me. I need mobile repairing course document and I unable to download the book as I am not a member and unable to register as a new user.
Aoa Sir l like it l got too much information from your this pdf book. I found many mobile phone which lower touch is not working properly as like as Micromax A and Micromax so just tell me is it the problem of touch or any other part while after changing touch it works proper.
There is a strip inside the PDA. Most probable this strip is faulty. These are available in the market. Get one and replace. Thanks alot to. Your email address will not be published.
Notify me of follow-up comments by email. Notify me of new posts by email. Email Address. Mobile Repairing Tools Price in India. Block Spam Calls on Android and iPhone. February 14, at pm. December 27, at am. A form factor refers to the size, style, and shape of a mobile phone, as well as to the layout and position of the phone's major components.
Let us look at each form in further detail starting with the bar phone. The Bar Phone A bar phone is also known as the slab, block, or slate phone. The name is derived from the rough resemblance to a candy bar in size and shape, see Figure 1 below. Figure 1: A bar phone The Touch screen Phone A touch screen, or slate phone is a subset of the bar form. Like the tablet computer, a touchscreen phone has minimal buttons and instead relies on an electronic visual display known as a touch screen.
Figure 2: Touch screen phone Figure 2 shows a picture of a touchscreen phone. The hinges allow the phone to flip open and fold to close in order to become more compact. When flipped open, the phone's speaker and microphone are placed closer to the operator's ear and mouth, thereby improving usability. Figure 3: A flip phone The Slider Phone A slider or slide phone is composed of usually two, but sometimes more, sections that slide past each other on rails. It usually has a display segment which houses the speaker and screen, while the segment that slides in and out contains the keypad or keyboard.
The sliding form factor allows the owner to take advantage of a full key board without sacrificing portability. Figure 4 Figure 4: A slider phone shows a picture of a slider phone.
We hope you now understand the various types of mobile phones. Let us now look at the potential hazards that are associated the repair of a mobile phone. Therefore, as you embark on mobile phone repair, you should be aware of all the potential hazards and how to prevent them. What is a hazard? A hazard is anything that has the potential to cause harm to yourself or those around you. Write down the meaning of the terms in the following activity.
Activity 2: Meaning of terms associated with hazards 5minutes Write the meaning of the terms in the left hand column Term Meaning Flammable Corrosive Toxic Fumes Compare your answers with those given at the end of this course.
Let us now look at the various types of hazards that you could encounter when repairing or maintaining a mobile phone? These are listed in Table 1 together with the preventive actions that you could take to avoid them.
Table 1: Potential hazards during mobile phone repair and their prevention Hazard Preventive Actions Burns Use of well insulated tools Use of gloves Keeping the soldering iron in the right place Unplugging equipment when not in use Pricks by sharp objects Appropriate storage of equipment Proper disposal of sharp objects Use of appropriate tools and equipment Environmental pollution Proper disposal of electronic wastes Trailing electrical cables Make sure electrical equipment is unplugged while not in use Safe storage of cables Falls Keep all tools, bins etc.
It is important for you to know the parts and understand their functions so that you can easily diagnose and solve problems. How many parts of a mobile phone do you know? Take a minute to think about it and then complete the following activity. Activity 3: Parts of a mobile phone. A conventional mobile phone is made up of many parts. Table 2 below explains the functions of the main parts.
Table 2: Parts of a mobile phone and their functions Parts of a mobile cell phone Functions Used for inputting or entering data into the phone. Stores the software and other programs installed in the Flash IC mobile phone Charging IC Takes the current from the charger and charges the battery CPU Controls all sections of a mobile phone Receives and transmit radio frequencies and helps the Antenna phone to connect to the cellular network Figure 5 below shows a printed circuit board PCB of a mobile phone showing the different internal parts.
As you can see from this diagram the PCB is divided into two parts, the network section and the power section. The network section controls the incoming and outgoing phone calls, while the power section controls the memory and power related functions of the phone.
Figure 5: Parts of a mobile phone We hope you now know the different parts of a mobile phone and their functions. Make sure that you learn them well and are be able to locate them easily before you move on to the next section. Let us now look at the tools that you need to repair mobile phones. It is important to select the best tool that enables you to repair the phone easily and comfortably.
Before you continue reading complete the following activity. Activity 4: Factors to consider when choosing mobile repair tools 5 minutes List three factors that you would you consider when choosing mobile phone repair tools? Factors to Consider When Choosing Mobile Phone Repair tools When selecting tools and equipment for repairing mobile cell phones, you should consider the following factors: 1. Cost 2. Brand 3. Availability 5. Suitability Tools for Mobile Phone Repair Below are the tools and equipment needed for mobile phone repair.
Soldering Iron: Used to solder small components like capacitor, resistor, diode, transistor, regulator, speaker, microphone, display etc. A 50 watt soldering iron is good enough for most mobile phones repairing job.
Figure 6: Soldering iron 2. Figure 7: PCB holder 3. Solder Wire: used to solder electronic components, ICs or jumpers. Figure 8: Solder wire 4. Jumper Wire: This is a thin laminated or coated copper wire used to jumper from one point to another on the track of a mobile phone during repair.
Figure Jumper wire 6. Point Cutter: It is used for cutting Figure Point cutter 7. Blade Cutter: This is used to remove lamination from jumper wire. It can also be used for several other purposes. Figure Blade cutter 8. Nose Cutter: this is used for cutting. Figure Nose Cutter 9. Precision Screwdriver: It is used to remove and tighten screws while assembling and dissembling a mobile phone. Precision screwdrivers of sizes T4, T5, T6 and forehead are good for most mobile repairing job. Figure Precision screwdriver Tweezers: These are needed to hold electronic components, ICs, jumper wire etc.
Brush: These are used for cleaning the PCB of a mobile phone when it is being repaired. It is important to buy only ESD-Safe cleaning brushes. Figure Brushes Multimeter: an electronic measuring device that has the ability to measure voltage, current and resistance.
It is used to test and check the readings of various parts and components of a mobile phone. Figure Digital Multimeter Source: commons. It has control to regulate or manage temperature and flow or hot air. Always buy a good quality ESD-Safe hot air blower. Figure Hot air blower Battery Booster: It is used to boost the power of battery of a mobile phone. Screwdriver Kit: It has several screwdrivers of different shapes and sizes to disassemble and assemble a mobile phone.
Figure Assorted screwdrivers Microscope: It is used to see a magnified view of PCB or electronic components. These are available in different zoom options. Many microscopes can also be connected to a computer or a monitor. Figure Microscope It helps the mobile phone to work and function normally outside its case. This helps to test and check voltage and other test points on the PCB. In simple words it helps the mobile phone to work without battery.
Figure Test JIG box Battery Tester: This device is used to test and analyzethe status or condition of the battery of a mobile cell phone. Cleaning Sponge: this is used to clean the tip of soldering iron while soldering. Figure Cleaning sponge Solder Paste: The solder paste is a low melting metal allow used to join together metal work pieces.
It has a lower melting point than the metal work pieces. Figure Solder paste Figure LCD tester You now know the main tools that are used to repair a mobile phone. In the next topic we shall discuss how to disassemble and assemble a mobile phone. To disassemble is to take something apart or to break it down into pieces.
What is to assemble? To assemble is to fit together all the separate pieces in order to form one whole. Before you continue reading, complete the following activity.
Activity 5: Disassembling a mobile phone 5 minutes. What steps would you follow when disassembling a mobile phone? Write them down in the space provided below 1. Switch off the phone 2. Remove the battery cover 3. Remove the battery, SIM card memory card if any 4.
Remove all the screws from the phone 5. Lift back the cover with the help of a flat screwdriver 6. Remove the strips buzzer strip, display, camera, volume and speaker button strips 7. Remove the antennae wire from the outside 8. Remove the motherboard and vibrator. To successfully disassemble a phone, you need to understand the various internal sections of a mobile phone and how they are connected to the CPU.
Let us look at that next. Internal Parts of a Mobile Phone Table 3 below outlines the main sections and how they are connected. In most phones the micro SD card holder is Memory card section connected through a 8-pin socket. The memory card section is found inside the CPU In modern mobile cell phones which have a separate ear speaker, the speaker is directly connected to the CPU. Some mobile phones have audio IC in the audio section, while others have audio amplifier. LCD Backlight in mobile cell phones is made according to the series circuit.
Positive power supply is given to this section directly from the positive end of the battery. Charger and system interface connector is made together in most modern mobile cell phones. Regulator section is made separately for the Battery Charging Section battery charging section.
In some mobile phones, the battery charging section is made inside the Power IC. The hands free jack, hands free MIC, speaker signal component and hands free audio amplifier are Hands free Earphone Section: present in this section.
Hands free symbol is displayed after connecting the Hands free jack. Fix the vibrator strips of speaker and volume button 2. Fix the motherboard 3. Connect the antenna with wire 4. Place the camera and connect it 5. Place the buzzer 6. Put the camera cover 7. Make sure that the LCD is working before you place the screen 8. Put battery and battery cover So far you have learnt about the hazards of mobile phone repair, the parts of a mobile phone, the tools to use and how to assemble and disassemble a mobile phone.
Now let us look at how to diagnose and repair a mobile phone. Let us start by looking at the skills that you need to have to be able to diagnose and repair a mobile phone. Skills Needed to Diagnose and Repair a Mobile Phone Before you can diagnose and repair a phone, there are some skills that you need to learn. Soldering Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal into the joint. The filler metal has a relatively lower melting point.
Plug and pre-heat the soldering iron. Heat both items at the same time by applying the soldering iron to the copper pad and the component lead. Continue heating and apply a few millimeters of solder. Remove the iron and allow the solder joint to cool naturally. It only takes a second or two to make the perfect joint, which should appear shiny. Desoldering Desoldering is the removal of solder and components from a printed circuit board for troubleshooting, repair, replacement, and salvage.
Figure Desoldering Steps in desoldering 1. Use a solder wick finely braided copper to wick away excess solder from a de- soldered connection. Apply the solder wick and use the soldering iron to the de-soldered connection. The solder wick will draw the excess solder off the PCB pad.
Testing a phone using a multimeter We hope you still remember that a multimeter is a device that is used to measure the voltage, current and resistance of various components of a mobile phone. Plug your red and black probes into the appropriate sockets on your multimeter. Hold the probes against the resistor. Check the resistor value on the display.
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