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.

Mobile Repair Training (Level one)

Introduction to Mobile Phone hardware and components

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
DC Power Supply
Soldering iron
Soldering and Desoldering Tools
LCD/Touch separator machine
Mobile Opening Tools and Tweezers

Test and Check up 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
Battery, charging, and power problems troubleshooting
Display and touch screen fault diagnosis and replacement
Camera, speaker, microphone, and sensor troubleshooting
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

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. Students can easily fix Display ,Battery , touch, Protection glass, Housing , PCB, Gorilla Glass, Touchpad, Display, Mic(Analog & Digital), Speaker (Ear & Ringer),Vibrator, Camera, Charging pad, GSM Antenna pad, SIM & Memory Card Flax … etc

Mobile Repair Training (Level Two)

Introduction to Mobile Phone hardware and components

Basic Electronics
Ohm’s Law
Identifying Electronics Components and Circuit Symbols
Resistors ,Capacitors, Transistors, Diodes ,Inductors ,Crystal Oscillators, and Filters,

Tools and Test Equipment

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

Handle both hardware & software problems

Android software installation (Flashing)
Hard reset & unlocking
FRP (Factory Reset Protection) removal
IMEI repair basics
Troubleshooting common issues

Mobile Repair Training (Level Three)

Understanding Major Integrated Circuits (IC)

Identification of ICs (PMIC, CPU, Memory, Network IC, Audio IC , Charging IC, LDO IC ,Oscillator IC ,Touch IC ,Display IC, OVP IC)
Work of different Lessons & ICs
Find and Locate ICs on mobile phone motherboard Board

Micro Soldering & Disoldering

How to Solder SMD Components Manually by Hand
Master soldering on any electric board(Advantages of Soldering)
What is Soldering & de-soldering? Lead free or not?
Hand soldering vs. machine soldering
Electric tools used in soldering: Soldering machines, Hot-Air machines, Pre-heaters, Infrared machines, Rework stations…etc
IC removing & fixing
BGA reballing techniques

Mobile Repair Training (Level Four)

Schematic Diagrams

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

Circuit Tracing

Understanding The LED light Circuits
Explanation on How Audio Circuits work
Earpiece, Ringer, Circuits work
How LCD Display Circuit Works
Understanding How RF circuit works
How SIM Circuits works
How charging circuit works
RF Filter circuit works
DC to DC Voltage Drivers, Regulators circuit works

Troubleshooting & Fixing

CPU, eMMC, and power IC troubleshooting
Fix and solder Micro SMD components with various package sizes PCB motherboard.
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.

Practical Training