Mobile Repairing

手机维修

It is also called Mic in short. It transmits sound of the speaker during phone call. It also helps to record sound in a mobile phone. It other words, microphone is a sound input device.

This part of component in a mobile phone is also called loudspeaker.

It plays loud sound and music in mobile phone.

This is the Back cover or housing of any mobile phone. These are of different shapes and sizes depending upon brand and model.

Before you learn how to repair a mobile phone, it is very important to understand meanings of some of the important terms used during mobile phone repairing. Read and understand these terms and their meaning. This will help you later during the course of mobile cell phone repairing.

1G: 1St Generation in Mobile Telephony.

2G: 2Nd Generation in Mobile Telephony.

3G: 3Rd Generation in Mobile Telephony.

4G: 4Th Generation in Mobile Telephony.

AC: Alternate Current.

BGA: Ball Grid Array.

BSI: Battery Status Indicator.

CDMA: Code Division Multiple Access.

CPU: Central Processing Unit.

DCT: Digital Core Technology.

DC: Direct Current.

GSM: Global System for Mobile Communications.

IMEI: International Mobile Equipment Identity.

IC: Integrated Circuit.

LED: Light Emitting Diode.

PDA: Personal Digital Assistant.

PFO: Power Frequency Oscillator.

PCB: Printed Circuit Board.

RAM: Random Access Memory.

RF: Radio Frequency.

ROM: Read Only Memory.

RTC: Real Time Clock.

RX: Receive / Receiver (Receiving Section).

SMD: Surface Mount Device.

TX: Transmit (Transmitting Section).

UEM: Universal Energy Manager.

VCO: Voltage-Controlled Oscillator.