Wednesday 13 June, 2018 | RSS Feed

7 Suggestions to Make The Phone Repair Beginner an Expert


With the smartphones becoming an indispensable communication tool in our daily life, a huge phone fix market has been born. If you want to do business in this industry, there are many professional phone repair tools and information you need to know in advance. What you need to pay attention to before starting cell phone repair business in your local city?  In this article, VIP FIX will share a guide for how to be an excellent cell phone repair technician. Hope it will help in your future plan!

First of all, it's necessary to understand the working principle of the cell phone, the features of various types of software and hardware faults, the features of the surface package IC and the components, the characteristics of the BGA hot air gun reflow welding, the correct maintenance procedure, etc.

If you master the above basic information about phone repair, you'll be able to get more reasonable and faster successful repair in your future business. For the beginner , it's suggested to learn from the basic theory of electronic theory and understand it. Don't get stuck in a problem, you have to think for yourself when you have problems. Mobile phone repair technology is a real learning, you have to be patient and not be eager for success. Even if you are in a hurry, you have to take a step in one step. If you are only anxious and do not seek a way out, then everything is zero. Without perseverance, you will not achieve your goal.

In order to do a good job in cell phone repair, we need to pay attention to the following points:

1. learning the component knowledge of the cell phone

The knowledge of mobile devices includes the identification of various elements and devices in the mobile phone, the learning and understanding of the principles of various elements and devices, and the measurement of the components.

2. understand the commonly used names, concepts, graphics and character symbols, unit system and other electronic technology in cell phones

Some concepts like current, voltage, resistance, what is DC, alternating current and so on. For some confusing names, such as voltage, potential, potential difference, electromotive force, we should make clear the difference between them and know their characters, units and conversion.

3. understand the principle of the circuit

The principles of circuit are: amplifying circuit, oscillating circuit, switching circuit principle and so on. Understand and master the components and circuit structure of the mainstream cell phone models in the market.

4. understand the working principle and basic circuit structure of GSM mobile phone.

The working principle and basic circuit structure of GSM mobile phone mainly include: how the mobile phone works and the composition of the cell phone circuit, including the receiving circuit, the transmitting circuit, the frequency synthesizer circuit, the logic circuit, the power supply and charging circuit, the interface circuit, and the understanding of the block. 

Starting from the basic electronic unit circuit, learning to understand maps, learning to analyze the principle of basic circuit work, make a clear analysis of the signals from the input to the output, and we need to know their normal waveform, amplitude, voltage and working frequency; It is necessary to understand the functions of all levels of circuits and the role of each component in the circuit.

5. learn how to use cell phone repair tools

The use of mobile phone repair tools like hot air gun, soldering iron, digital multimeter, oscilloscope, microscope and so on. To master the technology of disassembly and welding of mobile phone components.

6. pay more attention to the experience of mobile phone repair.

We should pay attention to learning others' fault analysis and testing methods. You can't just look at what other components are changing, you must work hard.

7. don't give up your cell phone, think more, practice more!

If you can follow the above suggestions, then repairing mobile phones is a piece of cake, and money is coming. Hope you will have great progress in the future phone fix business!

Any problems you meet in cell phone repair and professional tools support, just contact VIP FIX Shop Team on

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