NDSS Academy

Mobile Phone Repairing

Hardware and software faults, parts replacement and tools.

3 MonthsDuration 8Chapters42Topics
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Syllabus · पाठ्यक्रम

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01Basics of Electronics and Mobile Phones 5 topics
  1. Voltage, current, resistance and Ohm's law
  2. AC and DC
  3. Components: resistor, capacitor, coil, diode, transistor, IC
  4. Battery voltage and mAh
  5. Block diagram of a smartphone
02Tools and Workbench Safety 6 topics
  1. Screwdrivers, opening picks and suction cup
  2. Digital multimeter
  3. Temperature-controlled soldering iron
  4. Hot air rework station and DC power supply
  5. Microscope / magnifier
  6. ESD wrist strap and mat
03Disassembly and Assembly 5 topics
  1. Heating and opening back panels
  2. Disconnecting the battery first
  3. B2B connectors and flex cables
  4. Keeping screws in order
  5. Re-assembly and testing
04Parts Replacement 5 topics
  1. Display and touch combo
  2. Battery
  3. Charging port / sub-board
  4. Speaker, earpiece and mic
  5. Camera and buttons
05Hardware Fault Finding 6 topics
  1. Dead phone
  2. Not charging
  3. No network / no SIM
  4. Water damage cleaning with IPA
  5. Finding a short with DC power supply
  6. Using schematics and board views
06Soldering and Micro-soldering 5 topics
  1. Soldering iron temperature and tip care
  2. Flux and solder wire
  3. Removing and fitting SMD parts with hot air
  4. Jumper wires
  5. IC removal basics
07Software Problems 5 topics
  1. Hanging and boot loop
  2. Safe mode and factory reset
  3. Data backup with consent
  4. Flashing official firmware
  5. FRP lock: only with owner's proof
08Legal, Ethics and Shop Business 5 topics
  1. IMEI (15 digits, *#06#)
  2. IMEI tampering is illegal
  3. Lost or stolen phone: CEIR / Sanchar Saathi portal
  4. Customer data privacy
  5. Job card, estimate and repair warranty

About

You will be able to

  • Understand basic electronics (voltage, current, resistance) and mobile phone components
  • Use repair tools safely: multimeter, soldering iron, hot air station, DC power supply and ESD protection
  • Open and re-assemble smartphones without damage
  • Replace common parts: display, battery, charging port, speaker, mic and buttons
  • Find hardware faults: dead phone, no charging, water damage, short circuit
  • Solve software problems safely: boot loop, factory reset and official firmware flashing
  • Follow the law and ethics: IMEI, stolen phones (CEIR / Sanchar Saathi) and customer data privacy

Who it is for

  • Young people who want to open a mobile repair shop or work in one
  • Mobile shop owners who want to add repair services
  • Electronics hobbyists

What you need

  • Basic reading and counting; Class 8 or above preferred
  • Good eyesight and steady hands

Questions

Can I open my own shop after this course?

Yes, with regular practice. Most learners first work in a repair shop for some months to gain speed and confidence.

Is chip-level (board) repair taught?

Basics of micro-soldering and fault finding are taught. Advanced chip-level work needs further practice.

Will you teach IMEI change or unlocking stolen phones?

No. Changing IMEI and bypassing locks on stolen phones are illegal. The course teaches only legal repair work.

How long is the course?

3 months, mostly hands-on practice on real phones.

Download the syllabus (PDF)

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