Mobile Repairing Department

Mobile Repairing

Right from the alarm clock in the morning to online transactions, from calls to cameras, mobiles are always in our hands. When a mobile is not working, it feels as if life is stuck.

Demand in the technical service sector

Growth due to smartphones and digital living

Job opportunities and self-business

Daily earning opportunities

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Companies Our Students Placed At

Course Details

Some dreams start with a broken screen. Some dreams start with a phone that stops charging suddenly. Many young people watch the repair shops and ask, “How do they do it?

After school, many students feel lost. They want to earn. They want respect. They want a skill that pays money without waiting for years. Mobile repairing often becomes the turning point.

At GTTI,the Mobile Repairing Course helps students turn curiosity into confidence. This course is meant for students who are interested in acquiring practical skills, not just certificates. If you are interested in knowing mobile phones inside out and earning money with your own hands, this course is meant for you.

The requirement for trained mobile phone technicians is increasing every day. Houses, offices, markets, and villages all require mobile phone repair. At GTTI, students learn in a step-by-step process, from basic to advanced smartphone repairing.

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Course Curriculum

In the mobile repairing course, you don’t just observe the repairing process. You do the repairing yourself. You test the components. You identify the problems. You solve them.

The course includes mobile hardware, basic electronics, smartphone technology, software concepts, and problem-solving skills. The aim is straightforward. When a customer brings you a faulty smartphone, you shouldn’t be scared. You should be confident.

The course is designed to prepare students for the workplace, repair shops, or even their own mobile repair business.

Basic Electronics & Mobile Hardware Foundations: Students begin by understanding electricity and components used inside mobile phones.

Tools and Safety Practices: Students learn to use solder rework stations, multimeters, and follow ESD safety during mobile repairing.

Circuit Understanding & Fault Detection: Covers telephone circuits, PCB tracing, fault detection methods, and cordless phone basics.

Smartphone Technology & Mobile Networks: Students learn GPRS, GPS, WAP, Bluetooth, broadband, baseband, and dual-band systems.

Smartphone Systems & Operating Software: Introduces Android and Windows phone systems, camera phones, multimedia phones and Wi-Fi connectivity.

Troubleshooting Skills: Learn how to analyse problems, identify symptoms, and fix issues confidently.

Troubleshooting: Detect and rectify errors in electronic circuits and communication systems.

What Skills will you gain from Mobile Phone Repairing courses?

Learning mobile repairing is not just learning a skill. It is learning independence. It is learning to open a phone without fear. It is understanding how components connect and why they fail. It is learning patience, focus, and responsibility. Troubleshooting improves your thinking. Dealing with customers teaches you respect and trust. With time, your hands become skilled, and your confidence increases. Learning mobile repairing through a mobile technician course provides you with an opportunity to earn honestly through your own efforts.

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Who is Eligible to enrol in Mobile Phone Repairing Courses?

This course is suitable for students who have passed Class VIII, IX, or X, depending on the programme level.

GTTI welcomes learners who want practical work instead of long academic routes.

If you are searching for a mobile repairing course in Kolkata or a mobile repairing training centre near you, this course is designed to help beginners grow step by step. You do not need prior technical knowledge. You only need interest and dedication.

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Why Choose Us for the Mobile Repairing Course?

Learn by fixing actual mobile phones, not just through video tutorials.

Experienced professionals in mobile repairing will guide you.

Get practical experience with advanced tools and smartphones.

Develop a career where you have job opportunities, or start your own business.

Our Courses

Mobile & Telephone Repairing Technician

Course Outline Module I :

Basic Electronics-OHMS law, types of resistors, AC, Diode, Transistor, JFET and MOSFET, Oscillator, Amplifier, Digital Electronics and Microprocessor, Use of solder rework -station, Use of Multi-meter, ESD in Mobile repairing, Telephone EPBT, Overview of cordless phone, Telephone circuit, PCB tracing fault detection and many more.

Course Outline Module II :

Computer software overview, Smart Phone GSM mobile network, CDMA Mobile phone, GPRS, GPS, WAP, Blue tooth, Compressing video file, Broad Band, base Band, Dual Band etc, Camera Mobile phone, sections of mobile handsets, Advance technology 3G, Advance OS like Android, Windows phone, Wi-Fi connectivity, Multimedia Phones, Troubleshooting etc.

Employment Prospectus as :

After successful completion of this course the students will be able to work as in-house service engineers, customer support engineers, or sales/marketing executives of Smart Phones/ Android Phones. They can also start their own business in sales and service of land and Mobile phones.

Duration:12 months

Eligibility:Passed Class X Board Exam

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Mobile & Telephone Repairing Mechanic

Course Outline

Basic Electronics-OHMS law, simple calculation - V, I & R, types of resistors, AC, Diode, Transistor, Oscillator, Amplifier, Digital Electronics and Microprocessor, Multi-meter, Mobile Phone, GSM-mobile Network, CDMA Mobile Phone, GPRS, GPS, WAP, Bluetooth, INFRARED, SMS, MMS, MMM, Bandwidth Broadband, Base Band, Dual Band, Camera Mobile Phone, etc, including sections of mobile handsets, modulations, multiple division techniques, types of battery, speaker, buzzer, microphone, Smart phones, Windows phone, Wi-Fi connectivity, Multimedia Phones, Troubleshooting etc.

Employment Prospectus as :

Duration:06 months

Eligibility:Class IX

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Smartphone Repairing Technician(Jr)

Course Outline

Basic Electronics and electrical Engineering, Use of solder rework –station, Use of Multi-meter, SMD tester, battery booster etc., ESD in Mobile Repairing, IC Balls making & Jumper setting, Card -Level- Assembling / De-assembling of various Handset and replacement of components, changing of LCD, Touch screen, PDA along with usage of LCD PDA Separator. Chip level trouble shooting on DCT-4, WD 2, BB5 (Nokia) with MS Lumia series, Chip level trouble shooting on Android (China Brand) Mobile software with UFST.

Employment Prospectus as :

After successful completion of this course the students will be able to work as in-house service engineers, customer support engineers with an option to start their own business of service center.

Duration:06 months

Eligibility:Class VIII

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Smartphone Repairing Technician(Sr)

Course Outline

Microprocessor and microcontroller, Smart tweezers, Digital Multi-meter, ultrasonic cleaner, function generator, CRO, Concepts of FDMA, TDMA, WCDMA, Various CPUs, TAB with technical features of various TABs, Assembling/De-assembling of various TAB, Torch screen. PDA, Latest Android handset by using LCD-PDA separator Device. Chip level trouble shooting on latest Lumia handsets, TABs, Installation and downloading of up graded flash file through Internet application UFST, Volcano etc, various secret codes for Nokia, Samsung, LG, Sony & Motorola handsets, loader installation for Samsung (ODIN), Nokia (PHONIX) and flashing process with those loaders.

Employment Prospectus as :

After successful completion of this course the students will be able to work as in-house service engineers, customer support engineers or as sales or marketing executives of Tablet, Android Phone or any Smartphone with an option to start their own business of service center.

Duration:06 months

Eligibility:Class VIII

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Student Testimonial

I want to express my heartfelt gratitude for the support that I received from the faculty and the placement cell of GTTI throughout my journey. Thanks a lot once again.

Rupak Das

One Auto Private Limited

So happy to have received this amazing opportunity from GTTI. The healthy environment over here has always helped me to grow. I’m thankful to my institution for this fine opportunity.

Diya Dutta

Oneplus Service Centre

I was a student of Automobile Engineering. I was really in need of a job. Finally, I got a placement at Topsel Toyota. I’m very satisfied with my job.

Debkumar Mondol

Topsel Toyota

Frequently Asked Questions

A: It is a technical course that teaches how to repair mobile phones, smartphones, and their hardware and software components.

A: Yes. Students after Class VIII, IX, or X can enrol, depending on the course level.

A: Yes. You will work on actual phones using actual tools during training.

A: Yes. GTTI provides mobile repairing courses in Kolkata and other locations.

A: Yes. The course covers the basics and troubleshooting of Android smartphones.

A: Yes. Many students have opened their own service centres after training.

A: No. Electronics is explained simply and practically.

A: Yes. Mobile repair knowledge is always in demand and generates a steady income.

Mobile Repairing Department