Repairing & Maintenance

Mobile Repairing, Servicing & Maintenance Course

📱 Mobile Repairing, Servicing & Maintenance Course

āĻŽā§‹āĻŦāĻžāχāϞ āĻĢā§‹āύ āϰāĻŋāĻĒ⧇āϝāĻŧāĻžāϰāĻŋāĻ‚ āĻ“ āĻŽā§‡āχāύāĻŸā§‡āĻ¨ā§āϝāĻžāĻ¨ā§āϏ — Basic to Advanced

 

āĻĒā§āϰāĻ¸ā§āϤāĻžāĻŦāĻŋāϤ āϏāĻŽāϝāĻŧāĻ•āĻžāϞ: ā§Š āĻŽāĻžāϏ / ā§Ŧ āĻŽāĻžāϏ
āĻ•ā§āϞāĻžāϏ: āĻŦ⧃āĻšāĻ¸ā§āĻĒāϤāĻŋāĻŦāĻžāϰ, āĻļ⧁āĻ•ā§āϰāĻŦāĻžāϰ āĻ“ āĻļāύāĻŋāĻŦāĻžāϰ
āĻļāĻŋāĻ•ā§āώāĻŖ āĻĒāĻĻā§āϧāϤāĻŋ:
āĻĻ⧇āϖ⧁āύ → āĻŦ⧁āĻā§āύ → āĻĒā§āϰāĻļāĻŋāĻ•ā§āώāϕ⧇āϰ āϏāĻžāĻĨ⧇ āĻ•āϰ⧁āύ → āύāĻŋāĻœā§‡ āĻ•āϰ⧁āύ → Fault āϖ⧁āρāϜ⧁āύ → Test āĻ•āϰ⧁āύ → Safe Repair āĻ•āϰ⧁āύ

beginner 3 months Featured

Course fee

TK 1,000.00 TK 20,000.00
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About this course

📱 Mobile Repairing, Servicing & Maintenance Course

āĻŽā§‹āĻŦāĻžāχāϞ āĻĢā§‹āύ āϰāĻŋāĻĒ⧇āϝāĻŧāĻžāϰāĻŋāĻ‚ āĻ“ āĻŽā§‡āχāύāĻŸā§‡āĻ¨ā§āϝāĻžāĻ¨ā§āϏ — Basic to Advanced

 

āĻĒā§āϰāĻ¸ā§āϤāĻžāĻŦāĻŋāϤ āϏāĻŽāϝāĻŧāĻ•āĻžāϞ: ā§Š āĻŽāĻžāϏ / ā§Ŧ āĻŽāĻžāϏ
āĻ•ā§āϞāĻžāϏ: āĻŦ⧃āĻšāĻ¸ā§āĻĒāϤāĻŋāĻŦāĻžāϰ, āĻļ⧁āĻ•ā§āϰāĻŦāĻžāϰ āĻ“ āĻļāύāĻŋāĻŦāĻžāϰ
āĻļāĻŋāĻ•ā§āώāĻŖ āĻĒāĻĻā§āϧāϤāĻŋ:
āĻĻ⧇āϖ⧁āύ → āĻŦ⧁āĻā§āύ → āĻĒā§āϰāĻļāĻŋāĻ•ā§āώāϕ⧇āϰ āϏāĻžāĻĨ⧇ āĻ•āϰ⧁āύ → āύāĻŋāĻœā§‡ āĻ•āϰ⧁āύ → Fault āϖ⧁āρāϜ⧁āύ → Test āĻ•āϰ⧁āύ → Safe Repair āĻ•āϰ⧁āύ

 

📚 āϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖ Course Module

ModuleāĻŦāĻŋāώāϝāĻŧāĻĒā§āϰāĻļāĻŋāĻ•ā§āώāϪ⧇ āϝāĻž āĻļ⧇āĻ–āĻžāύ⧋ āĻšāĻŦ⧇
01Mobile Phone BasicāĻŽā§‹āĻŦāĻžāχāϞ⧇āϰ āĻ—āĻ āύ, Hardware āĻ“ Software āĻĒāϰāĻŋāϚāĻŋāϤāĻŋ
02Mobile Parts IdentificationDisplay, Battery, Camera, Speaker, Mic, Charging Port āχāĻ¤ā§āϝāĻžāĻĻāĻŋ
03Tools & EquipmentScrewdriver, Multimeter, DC Power Supply, Soldering Tools
04Mobile DisassemblyāύāĻŋāϰāĻžāĻĒāĻĻ⧇ āĻĢā§‹āύ āĻ–ā§‹āϞāĻž āĻ“ Parts āĻļāύāĻžāĻ•ā§āϤāĻ•āϰāĻŖ
05Mobile AssemblyParts āϏāĻ āĻŋāĻ•āĻ­āĻžāĻŦ⧇ āĻŦāϏāĻžāύ⧋ āĻ“ āĻĢā§‹āύ āĻĒ⧁āύāϰāĻžāϝāĻŧ Assemble āĻ•āϰāĻž
06Electronics BasicVoltage, Current, Resistance, Continuity āĻ“ Circuit
07Multimeter TrainingVoltage, Resistance, Continuity āĻ“ basic testing
08Power Supply SectionBattery, Charging āĻ“ Power Circuit-āĻāϰ basic āϧāĻžāϰāĻŖāĻž
09Charging ProblemCharging āύāĻž āĻšāĻ“āϝāĻŧāĻž, slow charging āĻ“ charging port diagnosis
10Battery ProblemBattery health, battery replacement āĻ“ basic diagnosis
11Display ProblemDisplay, touch, connector āĻ“ display-related fault
12Speaker & MicSpeaker, Earpiece, Microphone āĻ“ related troubleshooting
13Camera ProblemFront/Rear Camera āĻ“ connector-āĻāϰ basic diagnosis
14Network ProblemSIM, signal, antenna āĻ“ basic network diagnosis
15Wi-Fi & BluetoothConnectivity problem-āĻāϰ basic troubleshooting
16Software ServicingOS, apps, update, reset āĻ“ software troubleshooting
17Data & BackupData backup, restore āĻ“ safe data handling
18Soldering BasicSoldering, desoldering āĻ“ component handling
19PCB BasicPCB, IC, capacitor, resistor, coil āĻ“ connector āĻĒāϰāĻŋāϚāĻŋāϤāĻŋ
20Fault FindingStep-by-step troubleshooting
21Mobile Cleaning & MaintenanceCleaning, inspection āĻ“ preventive maintenance
22Water/Damage InspectionLiquid-damaged phone-āĻāϰ basic assessment
23Practical RepairāĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āĻŦāĻžāĻ¸ā§āϤāĻŦ fault āύāĻŋāϝāĻŧ⧇ practical training
24Professional ServiceCustomer handling, service report, costing āĻ“ business basics

 

🔧 Module 01 — Mobile Phone Basic

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻļāĻŋāĻ–āĻŦ⧇:

  • Smartphone āϕ⧀āĻ­āĻžāĻŦ⧇ āĻ•āĻžāϜ āĻ•āϰ⧇
  • Hardware āϕ⧀
  • Software āϕ⧀
  • Android-āĻāϰ basic āϧāĻžāϰāĻŖāĻž
  • Mobile-āĻāϰ āĻĒā§āϰāϧāĻžāύ āĻ…āĻ‚āĻļ
  • Mainboard/PCB-āĻāϰ basic āĻĒāϰāĻŋāϚāĻŋāϤāĻŋ
  • Power, charging, display āĻ“ communication-āĻāϰ basic āϧāĻžāϰāĻŖāĻž

 

🔩 Module 02 — Mobile Parts Identification

āĻšāĻžāϤ⧇-āĻ•āϞāĻŽā§‡ Parts āĻšā§‡āύāĻžāύ⧋ āĻšāĻŦ⧇:

  • Display
  • Touch/Digitizer
  • Battery
  • Charging Port
  • Speaker
  • Earpiece
  • Microphone
  • Camera
  • Vibration Motor
  • SIM Tray
  • Antenna
  • Flex Cable
  • Connectors
  • Mainboard/PCB

 

🧰 Module 03 — Repairing Tools

āĻĒā§āϰāĻļāĻŋāĻ•ā§āώāĻŖāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻļāĻŋāĻ–āĻŦ⧇:

  • Precision Screwdriver Set
  • Tweezers
  • Multimeter
  • DC Power Supply
  • Soldering Iron
  • Hot-Air Station
  • Solder Wire
  • Flux
  • Desoldering Tools
  • Cleaning Brush
  • Magnifying Glass/Microscope
  • ESD Protection Equipment

 

đŸŽ¯ āĻŽā§‚āϞ āϞāĻ•ā§āĻˇā§āϝ

āϕ⧋āύ Tool āϕ⧋āύ āĻ•āĻžāĻœā§‡ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāϤ⧇ āĻšāĻŦā§‡â€”āϤāĻž āϏāĻ āĻŋāĻ•āĻ­āĻžāĻŦ⧇ āĻļ⧇āĻ–āĻžāĨ¤

 

📱 Module 04–05 — Mobile Disassembly & Assembly

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻļāĻŋāĻ–āĻŦ⧇:

  1. Phone inspection
  2. Model identification
  3. Safe shutdown
  4. Screws āĻ“ small parts management
  5. Connector identification
  6. Component removal
  7. Part replacement
  8. Reassembly
  9. Final testing

 

âš ī¸ Battery disconnect āĻāĻŦāĻ‚ ESD safety-āϕ⧇ practical-āĻāϰ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ āĻ…āĻ‚āĻļ āĻ•āϰāĻž āĻšāĻŦ⧇āĨ¤

 

⚡ Module 06–07 — Electronics & Multimeter

āϏāĻšāϜāĻ­āĻžāĻŦ⧇ āĻļ⧇āĻ–āĻžāύ⧋ āĻšāĻŦ⧇:

  • Voltage
  • Current
  • Resistance
  • Continuity
  • Short circuit-āĻāϰ basic āϧāĻžāϰāĻŖāĻž
  • Ground
  • Positive/Negative
  • Multimeter-āĻāϰ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ mode
  • Circuit testing

Practical

Multimeter → Test Point → Reading → Compare → Fault Diagnosis

 

🔌 Module 08–10 — Power, Charging & Battery

āϏāĻžāϧāĻžāϰāĻŖ āϏāĻŽāĻ¸ā§āϝāĻž

  • Phone Power On āĻšāĻšā§āϛ⧇ āύāĻž
  • Charging āĻšāĻšā§āϛ⧇ āύāĻž
  • Slow Charging
  • Charging Port āϏāĻŽāĻ¸ā§āϝāĻž
  • Battery āĻĻā§āϰ⧁āϤ āĻļ⧇āώ
  • Battery abnormal heating
  • Battery replacement āĻĒā§āĻ°ā§Ÿā§‹āϜāύ

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž visual inspection + measurement + component-level diagnosis-āĻāϰ basic workflow āĻļāĻŋāĻ–āĻŦ⧇āĨ¤

 

đŸ–Ĩī¸ Module 11 — Display & Touch

āĻļ⧇āĻ–āĻžāύ⧋ āĻšāĻŦ⧇:

  • Display-āĻāϰ āϧāϰāύ
  • Display connector
  • Touch problem
  • Blank display
  • Flickering
  • Lines on display
  • Touch not responding
  • Replacement-āĻāϰ basic procedure

 

🔊 Module 12 — Speaker, Mic & Earpiece

Diagnosis:

  • Speaker sound āύ⧇āχ
  • Earpiece āĻ•āĻžāϜ āĻ•āϰāϛ⧇ āύāĻž
  • Microphone āĻ•āĻžāϜ āĻ•āϰāϛ⧇ āύāĻž
  • Low sound
  • Noise/distortion

 

📷 Module 13 — Camera

  • Front camera
  • Rear camera
  • Camera connector
  • Camera not opening
  • Black screen
  • Focus-related basic issues
  • Camera replacement

 

đŸ“ļ Module 14–15 — Network, Wi-Fi & Bluetooth

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻļāĻŋāĻ–āĻŦ⧇:

  • SIM detection
  • Signal problem-āĻāϰ basic diagnosis
  • Antenna-āĻāϰ basic āϧāĻžāϰāĻŖāĻž
  • Mobile network settings
  • Wi-Fi āϏāĻŽāĻ¸ā§āϝāĻž
  • Bluetooth āϏāĻŽāĻ¸ā§āϝāĻž
  • Software āĻŦāύāĻžāĻŽ hardware fault āφāϞāĻžāĻĻāĻž āĻ•āϰāĻžāϰ basic approach

 

đŸ’ģ Module 16–17 — Software Servicing

āĻļ⧇āĻ–āĻžāύ⧋ āĻšāĻŦ⧇:

  • Software update
  • App troubleshooting
  • Safe restart
  • Factory reset-āĻāϰ basic āϧāĻžāϰāĻŖāĻž
  • Backup & restore
  • Storage management
  • Basic software fault diagnosis

 

âš ī¸ āϗ⧁āϰ⧁āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖ

Customer-āĻāϰ personal data āύāĻŋāϝāĻŧ⧇ āĻ•āĻžāϜ āĻ•āϰāĻžāϰ āϏāĻŽāϝāĻŧ āĻ¸ā§āĻĒāĻˇā§āϟ āĻ…āύ⧁āĻŽāϤāĻŋ, backup āĻāĻŦāĻ‚ privacy protection āĻ…āύ⧁āϏāϰāĻŖ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇āĨ¤ Account/password bypass āĻŦāĻž unauthorized access āĻĒā§āϰāĻļāĻŋāĻ•ā§āώāϪ⧇āϰ āĻ…āĻ‚āĻļ āĻšāĻ“āϝāĻŧāĻž āωāϚāĻŋāϤ āύāϝāĻŧāĨ¤

 

đŸ”Ĩ Module 18 — Soldering Basic

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻļāĻŋāĻ–āĻŦ⧇:

  • Soldering-āĻāϰ basic āϧāĻžāϰāĻŖāĻž
  • Soldering iron āĻŦā§āϝāĻŦāĻšāĻžāϰ
  • Flux-āĻāϰ āĻŦā§āϝāĻŦāĻšāĻžāϰ
  • Desoldering
  • Small component handling
  • Connector replacement-āĻāϰ basic practice
  • Solder joint inspection

āĻĒā§āϰāĻĨāĻŽā§‡ training PCB/āĻĄāĻžāĻŽāĻŋ board-āĻ practice, āĻĒāϰ⧇ āύāĻˇā§āϟ/āĻ…āύ⧁āĻļā§€āϞāύ⧇āϰ āĻĢā§‹āύ⧇ āĻ•āĻžāϜ āĻ•āϰāĻžāύ⧋ āĻ­āĻžāϞ⧋āĨ¤

 

đŸ”Ŧ Module 19 — PCB & Components Basic

āĻĒāϰāĻŋāϚāĻŋāϤāĻŋ:

  • PCB/Mainboard
  • Resistor
  • Capacitor
  • Coil/Inductor
  • Diode
  • Transistor
  • IC
  • Connector
  • Test Point
  • Ground

āωāĻĻā§āĻĻ⧇āĻļā§āϝ āĻšāϞ⧋ component āϚāĻŋāύāϤ⧇ āĻ“ circuit-āĻāϰ basic function āĻŦ⧁āĻāϤ⧇ āĻļ⧇āĻ–āĻžāύ⧋āĨ¤

 

đŸ•ĩī¸ Module 20 — Fault Finding

Professional Troubleshooting Method

Customer Complaint
↓
Visual Inspection
↓
Basic Testing
↓
Fault Area Identification
↓
Component/Software Check
↓
Repair/Replacement
↓
Final Testing

āĻāĻ­āĻžāĻŦ⧇ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€ āφāĻ¨ā§āĻĻāĻžāĻœā§‡ Parts āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āύāĻž āĻ•āϰ⧇ test-based diagnosis āĻ•āϰāϤ⧇ āĻļāĻŋāĻ–āĻŦ⧇āĨ¤

 

💧 Module 21–22 — Cleaning & Water Damage

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻļāĻŋāĻ–āĻŦ⧇:

  • Phone cleaning
  • Dust inspection
  • Connector inspection
  • Corrosion āĻļāύāĻžāĻ•ā§āϤāĻ•āϰāĻŖ
  • Liquid damage assessment
  • Damaged components āĻļāύāĻžāĻ•ā§āϤ āĻ•āϰāĻž
  • Safe drying/handling-āĻāϰ basic principles

 

âš ī¸ āĻĒāĻžāύāĻŋāϤ⧇ āĻ•ā§āώāϤāĻŋāĻ—ā§āϰāĻ¸ā§āϤ āĻĢā§‹āύ⧇ power āĻĻ⧇āĻ“āϝāĻŧāĻž āĻŦāĻž charging āĻ•āϰāĻžāϰ āφāϗ⧇ āύāĻŋāϰāĻžāĻĒāĻĻāĻ­āĻžāĻŦ⧇ assessment āĻ•āϰāĻž āϜāϰ⧁āϰāĻŋāĨ¤

 

đŸ› ī¸ Module 23 — Practical Repair Projects

āĻĒā§āϰāĻļāĻŋāĻ•ā§āώāĻŖāĻžāĻ°ā§āĻĨā§€āĻĻ⧇āϰ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ practice phone āĻĻ⧇āĻ“āϝāĻŧāĻž āϝ⧇āϤ⧇ āĻĒāĻžāϰ⧇:

Project 01

Charging problem diagnosis

Project 02

Battery replacement

Project 03

Display replacement

Project 04

Speaker/Microphone replacement

Project 05

Charging port-related diagnosis

Project 06

Software troubleshooting

Project 07

Complete phone disassembly & assembly

Project 08

Fault diagnosis report

 

đŸ’ŧ Module 24 — Professional Mobile Technician

āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰāĻž āĻļāĻŋāĻ–āĻŦ⧇:

  • Customer-āĻāϰ āϏāĻŽāĻ¸ā§āϝāĻž āϏāĻ āĻŋāĻ•āĻ­āĻžāĻŦ⧇ āĻļā§‹āύāĻž
  • Phone receiving form
  • IMEI/Model recording
  • Existing damage-āĻāϰ āĻ›āĻŦāĻŋ/record āϰāĻžāĻ–āĻž
  • Repair estimate
  • Parts cost
  • Service charge
  • Customer approval
  • Repair report
  • Warranty terms
  • Customer privacy
  • E-waste āĻ“ damaged battery-āĻāϰ āύāĻŋāϰāĻžāĻĒāĻĻ handling

 

🏆 Final Practical Project

Complete Mobile Servicing Project

āĻāĻ•āϜāύ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϕ⧇ āĻāĻ•āϟāĻŋ āĻĢā§‹āύ āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāĻŦ⧇āĨ¤

Step 1: Phone receiving & inspection
↓
Step 2: Problem identification
↓
Step 3: Basic testing
↓
Step 4: Fault diagnosis
↓
Step 5: Repair/Part replacement
↓
Step 6: Assembly
↓
Step 7: Software & hardware testing
↓
Step 8: Final quality check
↓
Step 9: Customer service report

 

📊 Final Assessment — 100 Marks

āφāĻĒāύāĻžāϰ āϕ⧇āĻ¨ā§āĻĻā§āϰ⧇āϰ āύāĻŋāĻ°ā§āϧāĻžāϰāĻŋāϤ evaluation system āĻ…āύ⧁āϝāĻžāϝāĻŧā§€:

āĻŽā§‚āĻ˛ā§āϝāĻžāϝāĻŧāύāύāĻŽā§āĻŦāϰ
Easy Learner Person25%
Listening and Focus25%
Smartness in Speaking25%
Reality and Practical25%
āĻŽā§‹āϟ100%

 

🎓 āϕ⧋āĻ°ā§āϏ āĻļ⧇āώ⧇ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€āϰ āĻĻāĻ•ā§āώāϤāĻž

📱 Mobile Servicing
🔧 Basic Hardware Repair
⚡ Charging & Battery Diagnosis
đŸ–Ĩī¸ Display & Parts Replacement
đŸ’ģ Basic Software Servicing
đŸ”Ŧ PCB & Component Identification
đŸ”Ĩ Basic Soldering
đŸ•ĩī¸ Fault Finding
🧹 Maintenance & Cleaning
đŸ’ŧ Professional Mobile Service Management

 

āĻ¸ā§āϞ⧋āĻ—āĻžāύ:
“āĻŽā§‹āĻŦāĻžāχāϞ āĻļ⧁āϧ⧁ āĻŦā§āϝāĻŦāĻšāĻžāϰ āύāϝāĻŧ—āĻĒā§āϰāϝ⧁āĻ•ā§āϤāĻŋ āĻļāĻŋāϖ⧁āύ, āĻĻāĻ•ā§āώāϤāĻž āĻ…āĻ°ā§āϜāύ āĻ•āϰ⧁āύ, āύāĻŋāĻœā§‡āϰ āĻ•āĻ°ā§āĻŽāϏāĻ‚āĻ¸ā§āĻĨāĻžāύ āĻ—āĻĄāĻŧ⧁āύāĨ¤â€

 

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