Universal Electronics institute

Mobile Repair Training

Welcome to Universal Electronics Institute Kathmandu , the best mobile phone training institute in Kathmandu offering a wide range of skill-based and job-oriented courses. If you are looking to build a career in mobile repair fields, software, or skilled trades, this is the right place for you.

Basic Mobile Phone Repair (Level-1) Course Duration: 30-40 days

This course is perfect for students, technicians, and anyone interested in starting a career in mobile phone repair.

Level 1 is designed for beginners who want to learn the fundamentals of mobile phone device repair. In this level of training, students will learn how to replace both internal and external mobile phone components. They will gain hands-on experience in assembling and disassembling mobile devices, identifying faults in different modules, and repairing common issues related to screens, batteries, and other components.

By the end of the course, students will have the basic skills and knowledge required to diagnose and repair common mobile phone problems. This is the first stage of basic mobile phone repair training and provides a strong foundation for advanced repair courses.

Introduction to Mobile Phone hardware and components

AC/DC Voltage, Amp and Watts
Types of mobile phones (Android, basic phones)
Understanding internal & external parts
Safe opening & assembling of phones
Jumper setting Techniques
Mobile phone Block Diagrams
Series Circuit & Parallel Circuit

Tools & Equipment Training (How to Use and Read)

Multimeter (Use a digital multimeter to check continuity, voltage, and resistance to troubleshoot circuits.)
DC Power Supply (A DC power supply can be used to troubleshoot and repair mobile phones)
Touch Separator Machine (A touch separator machine is a heating platform used in mobile phone repairs to safely separate broken touch screens, LCDs, and glass panels.)

Soldering iron and Desoldering Tools
Mobile Opening Tools and Tweezers

Test and Checkup Procedures on Components

How to Test Mobile phone Speaker, Ringer, Microphone, Vibrater
How to test Mobile Phone Charger Voltage
How to check Mobile Phone Battery Voltage, ON OFF Switch…
How to Fix Charging Problems, Won’t Charge, Slow Charge, Boot Loop, etc.

Basic Fault finding, troubleshooting various faults

Display, back Glass replacement & housing replacement
Display and touch screen fault diagnosis and replacement
Camera, speaker, microphone, and sensor replacements
Battery replacement techniques
Charging port cleaning and replacements
Wi-Fi and antenna pad replacements
Speaker, Microphone and ear pic replacements
Front and rear camera replacements
Battery, charging, and power problems troubleshooting
Soldering & desoldering
Water-damaged Phone cleaning and repair
Dead Phone repair(no power)
Charging problem repair
Jumper practice (Parts & PCB)
Basic Fault finding, troubleshooting and repairing of various faults

Safety

Use personal safety equipment.
Provide basic first aid.
Maintain a proper workshop environment.
Follow electrical safety measures.
Ensure the safety of devices & lab equipment.
Stay safe from sharp tools and equipment.

Note: In this first level of Mobile Phone training student will replace all the internal and external parts of different models of mobile phone and Tablet Phones. Students can easily fix Display ,Battery, Protection glass, Housing , Motherboard, Sub board, Mic(Analog & Digital), Speaker (Ear & Ringer),Vibrator, Camera, Flex Cable, Charging Connector ,Battery Connector ,Power Button, Antenna pad, SIM & Memory Card connector and repairing of various faults.

Mobile Repair Training Intermediate Level (Level-2) Course Duration: 15-25 days

The mobile phone repair training (Level-2) course is designed for students who already have basic knowledge of mobile phone repair and want to learn troubleshooting and hardware repair techniques. This is the second module of the mobile phone repairing course. In this module, a student will learn SMD components. Also, they learn to troubleshoot fault of electronics components also replaces faulty components.

All SMD electronic components names identify, symbols, Denoting Letter, functions, testing and replace.

Resistors

Value Printed Resistor
Non Value Printed Resistor
Fuse able Resistor
Array Resistor
Voltage Dependent Resistor
PTC Resistor
NTC Resistor

Capacitors

Polar Capacitor
Non Polar Capacitor
Array Capacitor

Inductor (Coil)

Visible coil
Iron Core
Dual color coil
Boost coil/Power coil
Buck Coil

Diode

Rectifier diode
Zener diode
TVS diode
Light emitting diode (LED)

Crystal Oscillator

RF (Reference Crystal)
RTC (Real time Clock)

Transistor

BJT- Bypolar Junction Transistor
FET- Mosfet Effect Transistor

Band pass Filter (Network Filter)
Mutual Coupler (diplexer
EMI Display Filter

Understanding Major Integrated Circuits (IC)

Identification of ICs: PMIC(Power, Sub Power), CPU, Memory(EMMC,UFS) Network IC,WI-FI IC, Audio IC , Charging IC, LDO IC ,DC to DC Converter IC ,Touch IC ,Display IC,LED Driver IC, OVP IC
Work of different Lessons & ICs
Find and Locate ICs on mobile phone motherboard Board

Tools and Test Equipment

Test and Checkup Procedures on all smd Electronics Components
Use SMD Rework Stations, DC Power Supply
Working Table Equipment
Use of Hot Air Gun & Micro Soldering Iron
Chemicals used in soldering (flux, lead, solder wire, flux remover, tin)
Troubleshooting common issues

Mobile Repair Training Chip Level (Level-3) Course Duration: 30 days

After completion second module of Mobile Phone chip level training students can join III level of Mobile Phone repairing course. The Mobile phone Repair Training level- 3 course is an advanced program designed for technicians who want to motherboard and circuit troubleshooting. This level focuses on electronic diagnostics, circuit and chip-level repair techniques used in modern smart phones.

Components removing & fixing

Chip Components removing & fixing and Reballing techniques

Small Size IC removing & fixing and Micro Jumper techniques
Fix and solder Micro SMD components with various package sizes PCB motherboard.

Schematic Diagrams

Identifying Component Symbols and Layout in Schematic Diagram
Integrated Circuit Symbols and Layout
How to Read mobile phone’s Schematic Diagrams
PCB (motherboard) analysis and circuit tracing

Circuit Tracing

Understanding The LED light Circuits
Explanation on How Audio and mic Circuits work
Earpiece, Ringer, Circuits work
How LCD Display Circuit Works
Understanding How RF Network circuit works
How SIM Connector Circuits works
DC to DC Voltage , Regulators circuit works
Understanding charging circuit works
Short detection using DC power supply, short killer and shorting spray

Fault finding, Troubleshooting and Repairing of various faults like:

Charging Problem Solution
Ringer Related Problems Solution
Mic Related Problems Solution
Ear Speaker Related Problems Solution
Network Related Problems Solution
Sim Related Problems Solution
Motherboard Short Related Problems
Overheating and Related Problems
Restart Related Problems
Display and Touch connector Related Problems
Dead phone Related Problems
Camera Related Problems
Display back light Related Problems

Mobile Repair Training Advance Chip Level (Level-4) Course Duration: 30 days

This is the final module of the phone hardware chip level course provides by Universal Institute. The mobile phone advance chip Level Training (Level-4) course is an advanced program designed for technicians who want to master professional motherboard and schematic analysis troubleshooting. This level focuses on deep electronic diagnostics, circuit analysis, and advanced chip-level repair techniques used in modern smart phones. This course provides 100% practical training, enabling students to confidently repair different android smart phone problems and start working as a professional mobile repair technician.

Core Troubleshooting & Fixing

CPU, eMMC, and Power IC troubleshooting
Diagnosis and repair of critical faults such as dead phones, no boot, and short-circuit issues
Use of advanced equipment like BGA machines, microscopes, and oscilloscopes
Repair a missing, difficult joints and torn motherboard /circuit track on a Micro PCB board
Perform Hand- On Troubleshooting and Repairing On circuit board such as no power, charging, VCC line shorted, no backlight, no sound, no network ….. etc.
Complex fault solving
Deep analysis of Motherboard circuits
All Android Phones Boot Issue Repair Methods
All Android Phone Dead and Charging problem 100% fix.
EMMC / UFS / CPU Work
ALL Android PHONES: WON’T TURN ON / BOOT LOOP repair