Mobile Repairing Course Syllabus

Our mobile phone repair course covers:

  1. Theory
  2. Practical
  3. Additional Practice

At ISSA Training Centre, the syllabus for mobile phone repair course is divided into 5 modules and 9 parts. The program covers all the topics that are necessary to learn for repairing and servicing mobile phones.

Main Modules

  1. Basics and Basic Electronics
  2. Hardware Repair
  3. Software Repair
  4. Basic and Advanced Troubleshooting
  5. Additional Learning

Basic Course Contents

  1. Repair Equipment/tools and uses
  2. Trade only Online Mobile Repair Resources
  3. Use of Soldering Iron and dedicated tools
  4. IMP Workbench Management
  5. Mobile Phone Disassembly processes
  6. PDBC Basic Part replacement
  7. Principles of Electronics
  8. ISSA Tech Accurate Fault Finding
  9. Common Repairs / Advanced Part Replacement
  10. Repairing Water Damaged Mobile Phones
  11. Manufacturer Owned Software - Flashing / Unlocking
  12. Marketing / Marketing Resources
  13. Pricing Phone Repairs and Business Management

Advanced Course Outline

Part 1 : Smartphone Repairs

  1. Cellphone Basics
  2. Block Diagrams
  3. Hardware Troubleshooting & Repair
  4. Software Troubleshooting & Repair
  5. Flashing & Unlocking Techniques
  6. User lock, SPC, MSL, FSC, OTKSL
  7. GSM unlocking: using codes
  8. Using software to remove user lock, SPC
  9. what is prl
  10. what is ESN/MEID
  11. CDMA Software Defined

Part 2: Basic Electronics Declassified:

  1. Ohm's Law
  2. Series Circuit
  3. Parallel Circuit
  4. Identifying Electronics Components and Circuit Symbols
  5. Resistors
  6. Capacitors
  7. Transistors
  8. Diodes
  9. Fuse
  10. Coils & Inductors
  11. Crystal Oscillators
  12. RF & IF Amplifiers and Filters
  13. EMI and ESD Filters

Part 3: Tools and Test Equipments

  1. Safety Procedures and Proper Handling of Tools and Test Equipments
  2. How To Use and Read a Multimeter Tester
  3. Test and Check up Procedures on Electronics Components
  4. Preparing the Proper Tools For Repairing
  5. Opening Tools and Tweezers
  6. Soldering and Desoldering Tools
  7. Muti Tester
  8. SMD Rework Stations
  9. DC Power Supply
  10. Cleaning Kits
  11. Reballing Kits
  12. Working Table Equipments

Part 4: Schematic Diagrams

  1. How to Read Cellphone's Schematic Diagrams
  2. Identifying Component Symbols and Layout in Schematic Diagram
  3. Resistor's Symbols and Layout
  4. Capacitor's Symbols and Layout
  5. Transistor's Symbols and Layout
  6. Diodes Symbols and Layout
  7. Coil Symbols and Layout
  8. Integrated Circuit Symbols and Layout
  9. DC to DC Voltage Drivers, Regulators
  10. Convertes Symbols and Layout
  11. EMI-ESD Symbols and Layout
  12. RF Filter Symbols and Layout
  13. Battery Cell Symbols and Layout
  14. Power Switch , Mouthpiece, Earpiece and Ringtones Speakers
  15. User Interface Symbols and Layout
  16. Clock Crystal Oscillator Symbols and Layout
  17. Fuse Symbol and Layout
  18. Lines and Symbols on Schematic Diagram


  1. How to Find and Locate Components on PC Board
  2. How to Solder SMD Components Manually by Hand
  3. Master soldering on any electric board
  5. Advantages of Soldering
  6. What is Soldering & de-soldering? Lead free or not?
  7. Hand soldering vs. machine soldering
  9. Rework stations...etc
  10. Soldering tips & soldering irons
  11. Hand tools & accessories used in soldering: magnifier, tweezers, Fume Extractor , sponges.etc
  12. Chemicals used in soldering: flux, lead, solder wire, flux remover, tin


  1. Types of circuit boards: PCB solder types and cell phone generations
  2. Which electronic components are found in a cell phone PCB
  3. diode, transceiver, transistor, integrated circuit, 2 point solder joints or 3 joints multi points?
  4. Underfill & under film
  5. Practical basic soldering trainings
  6. Basic and intermediate applications for training
  7. Soldering charging ports
  8. Soldering power buttons
  9. Soldering flex cables
  10. Soldering SIM card trays
  11. Memory modules
  12. Camera modules
  13. Battery sockets
  14. LCD Connector modules
  15. How to Reball BGA Chips Manually by Hand
  16. Identifying and Familiarization of Common Mobile Phones Components and Spare Parts
  17. LCD's Touch Screen Panels Microphones Micro Speakers Switches Charging Pins Antenna's Battery
  18. USB connectors

Part 7: Integrated Circuits

  1. Understanding Major Integrated Circuits (IC) on Mobile Phones
  2. Power Management IC
  3. Application Processor
  4. Flash IC
  5. RAM IC
  6. Hardware Handling Procedures
  7. Proper Disassembling and Assembling Methods
  8. How to Test Mobile phone Speaker,Buzzer or Ringer
  9. How to Test Mobile phone Microphone or Mouthpiece
  10. How to test Mobile Phone Charger Voltage
  11. How to Test Mobile Phone Vibra Motor
  12. How to check Mobile Phone Battery Voltage
  13. How to test Power ON OFF Switch


  1. Types of liquid damage: Toilet, fresh, salt, food
  2. Tools used in treatment
  3. Chemicals used in treatment


  1. Hardware Troubleshooting Basics
  2. How to Troubleshoot Not Charging Issues
  3. How charging circuit works
  4. No Charging Response
  5. Charger Not Supported
  6. Not Charging
  7. How SIM Circuits works
  8. Insert Sim Card Problem
  9. Invalid Sim Card
  10. How Keypad Circuits Works
  11. How to Map and Trace keypads Lines
  12. Understanding The LED light Circuits
  13. Explanation on How Audio Circuits work
  14. Mouthpiece
  15. Earpiece
  16. Buzzer
  17. Ringer
  18. Headset
  19. Vibra motor
  20. How LCD Display Circuit Works
  21. Understanding How RF circuit works