Mobile repairing all important Terms!

Here we learn about Mobile repairing all important Terms! Mobile phones have become an essential part of our daily lives, and with their growing usage, the demand for mobile repair technicians has also increased. To excel in this field, it is crucial to understand the key technical terms used in mobile repairing. These terms are the foundation for diagnosing faults, understanding circuits, and mastering hardware and software repair techniques.

Mobile repairing all important Terms!
Mobile repairing all important Terms! 

Mobile phones combine hardware components, software systems, and networking modules. Each part plays a vital role in the phone’s functionality. For example, terms like IC (Integrated Circuit), PCB (Printed Circuit Board), and SMD (Surface Mount Device) relate to the hardware side of the phone. At the same time, concepts like firmware, IMEI, and bootloader belong to the software domain. Knowing these terms allows technicians to identify problems and apply the right repair methods.

Introduction to Mobile Repairing Important Terms!

Understanding hardware and software, mobile repairers must also be familiar with diagnostic techniques like testing for a short circuit, battery calibration, and Re-balling ICsTools like multimetersDC power supplies, and soldering irons are also essential for efficient troubleshooting and repair.

Whether you are a beginner learning mobile repair or a professional seeking to improve your skills, mastering these terms will make you more competent, efficient, and confident in your repair work. This knowledge will enable you to repair issues like charging failures, touchscreen problems, no network issues, and even water-damaged phones.

By familiarizing yourself with these critical terms, you’ll better understand how mobile phones operate and how to restore them to working order. If you'd like, I can provide a detailed list of these essential mobile repair terms or offer a step-by-step mobile repair guide.

What are the important terms related to smartphones in mobile repairing?

Mobile repairing all important Terms!
Mobile repairing all important Terms!

1. Software Terms

  1. Firmware: The permanent software programmed into a phone’s ROM, controlling how the hardware operates.
  2. ROM (Read-Only Memory): Stores the phone's operating system and firmware.
  3. RAM (Random Access Memory): Temporary storage that allows apps to run and multitask.
  4. Flash Tool: Software used to flash firmware onto a phone (e.g., SP Flash Tool, Odin for Samsung).
  5. IMEI (International Mobile Equipment Identity): A unique identification number assigned to every mobile phone.
  6. Bootloader: The program that loads the operating system when the phone is powered on.
  7. Recovery Mode: A special mode used for software maintenance like factory reset or updating firmware.
  8. Rooting: The process of gaining administrative access to a phone's operating system.
  9. Custom ROM: A modified version of the phone's stock firmware.
  10. Hard Reset: Restores the phone to its factory settings.

2. Hardware Components

  1. IC (Integrated Circuit): A small chip that contains electronic circuits. Common phone ICs are Power IC, Audio IC, and CPU IC.
  2. Capacitor: Stores electrical energy temporarily and helps filter and stabilize the power supply.
  3. Resistor: Limits or controls the flow of current in the circuit.
  4. Inductor: Stores energy in a magnetic field when electrical current flows through it.
  5. Diode: Allows current to flow in only one direction, which is used for rectification.
  6. Transistor: Used for switching and amplification of signals.
  7. SMD (Surface Mount Device): Miniature components mounted directly onto the PCB surface.
  8. PCB (Printed Circuit Board): The phone's mainboard, where all electronic components are mounted.
  9. EMI Shield: A metal cover on the PCB that protects the internal components from electromagnetic interference.
  10. Connector/Socket: Points where various components or modules are connected, like charging port connectors and display connectors.

3. Common Fault & Diagnosis Terms

  1. Dead Phone: A phone that does not power on or respond to charging.
  2. Short Circuit: When current flows through an unintended path, causing overheating or failure.
  3. No Display: The screen is blank or black even when the phone is powered on.
  4. No Network: When the phone fails to detect mobile signals.
  5. Hang Logo: The phone gets stuck at the logo screen during boot-up.
  6. Overheating: When the phone heats up abnormally due to hardware or software issues.
  7. Water Damage: When liquid enters the phone, causing a short circuit or corrosion.
  8. Ghost Touch: The screen registers touches without the user touching it.
  9. Touch Not Working: When the touch screen becomes unresponsive due to a faulty display or digitizer.
  10. Charging Problem: Issues like slow charging, no charging, or charging but not increasing battery percentage.

4. Tools and Equipment

  1. Multimeter: Used to test the voltage, resistance, and continuity of phone components.
  2. DC Power Supply: Provides a controlled voltage supply for testing dead phones.
  3. SMD Rework Station: Used for soldering and desoldering surface-mount components.
  4. Hot Air Gun: Used to heat the board for desoldering components like ICs.
  5. Soldering Iron: Used for soldering small components onto the PCB.
  6. BGA (Ball Grid Array) Rework Station: Used to re-ball and replace BGA ICs on the motherboard.
  7. Microscope: Helps to see minute components and soldering points on the PCB.
  8. Tweezer: Used to hold small components during repair.
  9. Screwdriver Set: Used to open and disassemble phones of different models.
  10. UV Light: Used to cure UV glue while fixing phone displays and glass.

5. Power and Battery Terms

  1. mAh (Milliampere Hour): Battery capacity unit (e.g., 5000mAh).
  2. Lithium-ion Battery: This type of battery is used in most smartphones.
  3. Battery Calibration: Process of resetting battery stats to fix battery percentage issues.
  4. Fast Charging: Technology that charges the phone battery quickly.
  5. Overcharging: Charging the battery beyond its capacity, which can cause damage.
  6. Battery Swelling: When the battery expands due to overcharging or internal damage.

6. Charging and USB Ports

  1. USB Type-C: A reversible charging connector used in modern phones.
  2. Micro USB: An older charging connector used in older Android devices.
  3. Charging Port: The socket where the charger cable is connected.
  4. Data Cable: A cable used for charging and data transfer.
  5. OTG (On-The-Go): A feature that allows a phone to act as a USB host and read data from USB devices.

7. Display and Screen Terms

  1. LCD (Liquid Crystal Display): Used in older smartphones, cheaper but less vibrant than OLED.
  2. OLED (Organic Light-Emitting Diode): A display with brighter colors, deeper blacks, and better energy efficiency.
  3. AMOLED (Active-Matrix OLED): An advanced version of OLED used in modern smartphones.
  4. Digitizer: A component of the touchscreen that converts touch input into digital signals.
  5. Glass (Outer Screen): The outer protective layer of the display.
  6. Laminated Display: A display where the glass, touch, and LCD layers are fused together.
  7. Screen Burn-In: Permanent discoloration on OLED/AMOLED displays.

8. Network and Connectivity

  1. SIM Card Slot: The place where the SIM card is inserted.
  2. Network IC: Controls cellular signals and Wi-Fi.
  3. Antenna: Helps to receive and transmit signals.
  4. Bluetooth: Wireless technology for connecting to other devices.
  5. Wi-Fi: Wireless technology that connects devices to the internet.
  6. 5G/4G/3G/2G: Mobile network standards for cellular data speeds.

9. Sensors and Internal Components

  1. Proximity Sensor: Detects when a phone is near your face to turn off the display during calls.
  2. Gyroscope: Detects the phone's rotation and orientation.
  3. Accelerometer: Detects movement, tilt, and phone orientation.
  4. Magnetometer: Used for compass functionality and to detect magnetic fields.
  5. Ambient Light Sensor: Adjusts screen brightness based on ambient light.
  6. Vibration Motor: Produces the vibration feedback in the phone.

10. Essential Repairing Techniques

  1. Reballing: Removing old solder balls from a BGA chip and replacing them with new ones.
  2. Jumpering: Creating a bypass (jumper) connection when a track on the PCB is broken.
  3. Heating and Reflowing: Applying heat to the motherboard or IC to restore solder connections.
  4. Component Testing: Using a multimeter to check the resistance, continuity, or voltage of components.
  5. Flashing: Reinstalling or updating the phone's firmware.
  6. Unlocking: Removing carrier restrictions from a locked phone.
  7. FRP Bypass: Bypassing the Google Factory Reset Protection lock on Android devices.
These terms are essential for anyone learning mobile phone repairing.

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