📚 Course Syllabus

Module 1: Mobile Phone Technology

• Evolution of mobile phones
• Feature phones vs smartphones
• Smartphone architecture
• Android and iOS overview
• GSM, 3G, 4G and 5G basics
• SIM, IMEI and network fundamentals
• Wi-Fi, Bluetooth and GPS
• Mobile phone motherboard overview
• Major sections of a smartphone

Module 2: Basic Electronics

• Voltage, current and resistance
• AC and DC concepts
• Resistors
• Capacitors
• Diodes
• Coils and inductors
• Transistors
• Fuses
• Connectors
• ICs
• SMD components
• Component identification and testing

Module 3: Tools & Testing Equipment

• Digital multimeter
• DC power supply
• Soldering iron
• Hot-air/rework station
• Microscope
• Battery booster
• ESD protection
• PCB cleaning equipment
• Testing cables and connectors
• Safe handling of electronic components

Module 4: Smartphone Hardware Repair

• Mobile phone disassembly and assembly
• Battery replacement
• Display and touch replacement
• Charging-port replacement
• Speaker and microphone replacement
• Camera replacement
• Power-button and volume-button repair
• SIM connector repair
• USB/charging section
• Flex cable and connector replacement
• Water-damaged phone servicing

Module 5: Motherboard & Chip-Level Repair

• Smartphone motherboard identification
• PCB sections and circuit paths
• IC identification
• Power IC
• Charging IC
• Audio IC
• Network/RF components
• Wi-Fi and Bluetooth ICs
• SMD component replacement
• IC removal and replacement
• Soldering and desoldering
• BGA fundamentals
• Reballing fundamentals
• Jumper and track repair
• PCB cleaning

Advanced training commonly includes SMD/BGA work, circuit tracing, component replacement and motherboard troubleshooting.

Module 6: Power & Charging Troubleshooting

• Phone not powering ON
• Battery-related problems
• Charging failure
• Slow charging
• No-current and high-current conditions
• Short-circuit detection
• Power supply current analysis
• Charging IC troubleshooting
• USB/Type-C circuit
• Power-management circuits
• Dead-phone diagnosis

Module 7: Display, Touch & Audio

• LCD/AMOLED fundamentals
• Display connector testing
• No-display problems
• Touch problems
• Backlight problems
• Speaker problems
• Microphone problems
• Earpiece problems
• Ringer/vibrator problems
• Audio IC troubleshooting

Module 8: Network & Connectivity Repair

• SIM detection problems
• No network
• Weak signal
• Emergency-call issues
• Antenna troubleshooting
• RF section overview
• Wi-Fi problems
• Bluetooth problems
• GPS-related faults
• Network circuit testing

Module 9: Mobile Software Repair

• Android operating system fundamentals
• Drivers and computer setup
• Software installation
• Firmware and flash files
• Software flashing
• Factory reset
• Backup and restore
• Boot-loop troubleshooting
• Software-related hanging
• Application-related problems
• Diagnostic tools
• Software fault identification

Software flashing and PC-based diagnostic tools are also included in established mobile-repair curricula.

Module 10: Advanced Troubleshooting

• Fault diagnosis methodology
• Hardware vs software fault identification
• Circuit diagram reading
• Schematic-based troubleshooting
• Voltage testing
• Continuity testing
• Short-circuit detection
• Voltage tracing
• Component-level diagnosis
• Track and jumper repair
• Dead-phone troubleshooting
• Water-damage diagnosis
• Practical fault-finding exercises

Module 11: Practical Workshop

Students will work on real devices and practice:

• Phone opening and assembly
• Component identification
• Multimeter testing
• Soldering and desoldering
• Charging-port replacement
• Display replacement
• Connector replacement
• Component replacement
• Motherboard troubleshooting
• Software flashing
• Short detection
• Dead-phone diagnosis
• Circuit tracing
• Final testing

Module 12: Mobile Repair Business Skills

• Setting up a mobile service centre
• Required tools and equipment
• Spare-parts management
• Job-card management
• Repair estimation
• Customer communication
• Warranty handling
• Service-centre workflow
• Pricing repairs
• Basic business management
• Safety and ESD practices

Official vocational curricula also emphasize receiving the faulty handset, diagnosis, arranging tools/parts, hardware and software repair, final testing, coordination and safety procedures.

🎓 Course Outcome

After completing the course, students should be able to diagnose, troubleshoot and repair common smartphone hardware and software problems, perform component-level servicing, use professional testing equipment, and handle practical repair jobs in a mobile service environment.

Suggested Course Type: Advanced / Practical
Mode: Theory + Hands-on Practical
Suitable For: Students, aspiring mobile technicians, existing technicians, mobile shop owners and entrepreneurs