Course Content for Advanced Mobile Repairing Course

Module 1: Advanced Mobile Phone Hardware Repair

1. Advanced Mobile Components and Their Functions

   • Detailed study of high-level components (CPU, GPU, RAM, NAND Flash, etc.)
   • Understanding complex ICs (PMIC, U2 IC, Baseband Processor, etc.)
   • Advanced circuit analysis techniques for mobile devices

2. Advanced Soldering and Desoldering

   • Precision soldering techniques for complex ICs (BGA, QFN, etc.)
   • Using hot air rework stations and soldering flux
   • Repairing and replacing damaged solder pads on motherboards

3. Motherboard Repair and Component Level Diagnostics

   • Diagnosing motherboard issues at a component level
   • Advanced use of multimeter and oscilloscope for fault detection
   • Repairing damaged traces and routing power lines
   • Reballing BGA chips (Ball Grid Array)

4. Replacing Complex Components

   • Detailed techniques for replacing capacitors, resistors, and ICs
   • Using UV light for curing adhesive on components (for OLED and LCD screens)
   • Handling sensitive components such as Wi-Fi/Bluetooth antennas, fingerprint scanners, etc.

Module 2: Advanced Mobile Display & Screen Repair

1. Understanding Display Technologies

   • Differences between LCD, AMOLED, OLED, and TFT displays
   • Identifying display defects: dead pixels, discoloration, and backlight issues

2. Advanced LCD/OLED Repair Techniques

   • Disassembling and repairing different types of mobile screens
   • Techniques for fixing backlight issues and color issues in LCDs
   • Fixing broken glass and performing glass-only repairs
   • Handling OLED burn-in issues

3. Digitizer and Touch Panel Replacement

   • Troubleshooting and replacing broken touch panels
   • Calibration of touch screens after repair

4. Heat and Pressure Techniques

   • Using heat pads and pressure machines for screen repair
   • Bonding techniques for glued screens (OLED, AMOLED)

Module 3: Advanced Mobile Battery & Charging System Repair

1. Battery Types and Chemistry

   • Differences between lithium-ion and lithium-polymer batteries
   • Understanding battery specifications and charging cycles

2. Diagnosing Battery Issues

   • Techniques for testing battery health (voltage, current, capacity)
   • Identifying battery drain issues and battery calibration
   • Advanced diagnostics for battery-related power issues

3. Charging Circuit and Power Management

   • Understanding charging ICs, Power Management ICs (PMIC), and related components
   • Repairing faulty charging circuits, over-voltage, and over-current issues
   • Dealing with problems like slow charging, non-charging, or overheating

4. Advanced Battery Replacement Techniques

   • Safe battery removal methods for sealed devices
   • Replacing batteries in non-removable battery phones (using heat press machines)
   • Testing post-repair performance (charge/discharge cycles)

Module 4: Advanced Mobile Software and Firmware Repair

1. Deep Dive into Mobile Operating Systems

   • Advanced troubleshooting for Android and iOS (boot loops, recovery mode, etc.)
   • Understanding OS architecture and partition structures
   • iOS jailbreak and Android root methods (pros and cons, risks)

2. Advanced Flashing and Firmware Updates

   • Using ADB, Fastboot, and other advanced tools for system recovery
   • Installing custom ROMs, patches, and firmware downgrades/updates
   • Fixing software corruption and restoring IMEI, baseband, and other identifiers

3. Advanced Data Recovery Techniques

   • Recovering data from bricked or dead devices
   • Using specialized software and tools for data extraction
   • Repairing data corruption caused by software failures

4. Troubleshooting Software-Related Hardware Failures

   • Diagnosing when a hardware failure presents as a software issue
   • Debugging system logs to identify and fix software and hardware conflicts

Module 5: Advanced Mobile Network & Connectivity Repair

1. Advanced Network Troubleshooting

   • Understanding mobile network hardware (modems, antennas, RF circuits)
   • Diagnosing signal issues: No signal, weak signal, dropped calls
   • Fixing IMEI-related problems and baseband issues
   • Restoring 4G/5G connectivity problems

2. Wi-Fi, Bluetooth, and GPS Repair

   • Diagnosing and fixing Wi-Fi/Bluetooth failures (chip-level repair)
   • GPS issues (replacing GPS antennas, troubleshooting software-level issues)

3. Advanced Antenna Repair

   • Replacing and repairing mobile antenna systems
   • Identifying problems related to antenna connectors and cable failures

Module 6: Advanced Mobile Water Damage Repair

1. Deep Dive into Water Damage Diagnosis

   • Advanced techniques for identifying hidden water damage
   • Identifying corrosion and short-circuiting in mobile components

2. Advanced Cleaning and Restoration Techniques

   • Advanced ultrasonic cleaning techniques for corrosion removal
   • How to fix water-damaged motherboards and repair corroded pins
   • Using vacuum suction and desiccant drying methods

3. Component-level Repair of Water-Damaged Devices

   • Repairing or replacing damaged components from water damage (e.g., charging port, screen, motherboard)
   • Restoring functionality of water-damaged cameras, speakers, and microphones

Module 7: Mobile Repairing for Specialty Devices

1. Repairing Tablets and Hybrid Devices

   • Understanding the differences between mobile phones and tablets in terms of hardware repair
   • Techniques for repairing large-screen devices and detachable components

2. Repairing Foldable and Flexible Displays

   • Understanding the complexities of foldable phone screens (e.g., Samsung Galaxy Z series)
   • Specialized repair techniques for OLED foldable displays

3. Repairing Smartwatches and Wearables

   • Mobile repair techniques for smaller devices like smartwatches and fitness trackers
   • Repairing small form-factor screens, sensors, and battery replacement

Module 8: Mobile Repairing Business Expansion and Professional Skills

1. Building an Advanced Mobile Repair Business

   • Expanding your services: Specializing in high-end repairs (flagship phones, foldables, tablets)
   • Optimizing the repair workflow and inventory management for advanced repairs
   • Setting up an efficient and safe repair station for complex tasks

2. Marketing and Client Relationship Management

   • Advanced customer service techniques for high-end repairs
   • Marketing strategies to target premium customers
   • Understanding warranty management and post-repair support

3. Staying Ahead with Emerging Technologies

   • Keeping up with new advancements in mobile technology (e.g., 5G, AI-integrated devices)
   • Training for emerging mobile technologies and repairs

Module 9: Final Practical Assessment & Certification

1. Hands-on Repair Project

   • Performing advanced repairs on high-end, damaged devices (e.g., flagship phones, water-damaged devices)
   • Completing repairs with an emphasis on precision and quality

2. Comprehensive Written Exam

   • Testing knowledge on all advanced mobile repair topics

3. Certification

   • Awarding completion certificate based on practical and theoretical assessment

Course Conclusion: By completing this advanced mobile repairing course, students will have the skills to perform highly specialized repairs on a wide range of mobile devices, from flagship phones to foldable technology. This course equips professionals to handle complex issues at both the software and hardware levels, enhancing their ability to provide high-quality repair services in an increasingly competitive market.