Engineering Excellence Since 1924
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.
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.
From smartphone hardware to advanced mobile servicing—learn to diagnose, repair, troubleshoot, and maintain real mobile devices with intensive hands-on training from basic to advanced levels.
Take the first step towards your professional HVAC career today.
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.
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.
Open for Admissions 2024-25
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.
Join an institution that prioritizes practical skill-building and career success above all else.
Learn by fixing actual mobile phones, not just through video tutorials.
Experienced professionals in mobile repairing will guide you.
Graduate from an institution with over 100 years of trust in technical vocational training.
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.
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.
Duration: 12 months
Eligibility: Passed Class X Board Exam
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.
Duration: 06 months
Eligibility: Class IX
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.
Duration: 06 months
Eligibility: Class VIII
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.
Duration: 06 months
Eligibility: Class VIII
Hear from our alumni who transformed their technical curiosity into thriving careers in the HVAC industry.
Sr. Technician @ Samsung India
AC Specialist @ Blue Star
Owner, S.K. HVAC Services
HVAC Design Engineer
