Institute of Globaal Technology

Advance Chip level training & 100% Practical with Latest Testing Equipments.
An ISO 9001:2008 Certified Organization
A Unit of Raysah Infotechnology service Pvt. Ltd.
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Mobile : +91-9830953069, 9062272304
E-mail :
WhatsApp No.: 8017703075

Course Details:

Course Name: DDMRE
Course Duration : 12 /6 /3 Months ( 1 day / 3 day / 5 day class)
Qualification: 10th/12th
Offline Batch Start date:  13.12.21(Weekly 2+1 day) 
Last dt of admission : 10.12.21

Job / Placement Support : Yes   

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Module -III - Electronics


Working Concept of Resistor

Types of Resistor

Symbol, Unit, Denoting Letter of Resistor

Resistor Color Coding Concept 

SMD Resistor Value 

How to test Resistor on motherboard 


What is Capacitor?

Types of Capacitor.

Symbol, unit & Denoting Letter of Capacitor

Series and Parallel concept of Capacitor

Inboard and outboard Capacitor Testing 


Working Concept of Diode 

How many types of Diode 

Denoting Letter and Symbol of Diode 

Bridge Rectifier Diode Concept 

Testing of all types of Diode on motherboard 


Concept of Transistor on motherboard 

Transistor Types 

What is Symbol and Denoting Letter?

SMD and Normal Transistor Identification 

Onboard Testing of SMD & Normal Transistor 


Identification of Difference types of Coil 

Working of Coil (Inductor) 

Types of Coil

Symbol, unit, Denoting Letter Concept of Coil 

Ok Testing of all types of Coil 


Concept of SMD Mosfet 

Working concept of 3 pin, 6 pin, 8 pin Mosfet

Types of Mosfet

What is Denoting letter and symbol of Mosfet

Gate, Drain, Source pin Details

 IC / Chip 

Working Concept of IC/Chip 

Identification of Difference Types of IC 

IC ok Testing on board 

Diffrent IC Value on motherboard 


Difference Types of Transformer 

Working of Transformer 

Symbol, Denoting Letter Concept of Transformer

Testing Concept of Transformer 


Working Concept of Crystal

Rtc Crystal

Symbol, unit, Denoting Letter Concept 

Testing of Crystal by Multimeter and CRO Machine


What is Fuse and fuse work? 

Symbol, Denoting Letter Concept of Fuse. 

Testing and Repair Concept of Fuse 


Types of Difference Thermistor 

Working of Thermistor on board 

Testing Concept of Thermistor

NTC , PTC Thermistor 


  How to remove all motherboard components like- capacitor, transistor, mosfet, crystal, coil, diode, fuse etc. ? 

How to fix all electronics components on motherboard easily? 

How to remove and fix all types of ic/chip from motherboard?

Module - IX - Mobile ( Normal. Android, Windows)

History Of Telephone

First Mobile Phone

Generation of Mobile Phone

Subscriber, Service Provider

Frequency & Channel



User Lock,SIM Lock & Country Lock (SP)

Chip Level

Use Of Iron &  Type Of Iron

Display Jumper

Components Jumper

Use Of SMD Machine

Components Soldering & Desoldering

Components Soldering & Desoldering

Connector Soldering & desoldering 

How To Remove Pin IC

IC Reballing

How To remove Ball IC & Mount Ball IC

How To Make Track In PCB

How To Use DC Power Supply

Type Of DC Power Supply

Assembling & Dissembling Of Normal & Smart Mobile Phone


On/Off Switch


Antenna Switch

BPF (Band Pass Filter)

Circuit Diagram Reading

Track Identification

IC Different Name

Section Of Mobile Phone ( Block Diagram)

Type Of Charging Jack

Circuit Tracing (Fault find Out)

Charging Section Problem

USB Section

SIM Section

Display Section

Back Light Section

Data Section

Touch Screen Section & Type Of Touch

Flash Light Section

Audio Section

Ringer Problem

Speaker Problem

Headphone Problem

Universal Mic,Digital Mic & Crystal Mic

   Vibrator Problem

Camera Section

Memory Section

Network Section

Wi-fi Section

GPS Section

Dead Problem

Half Shorting & full Shorting

Primary Shorting & Secondary Shorting

How To Use Pre Heater

How To Use  Ocsilloscope

Software Repair

Detailed study of various faults arising due to corrupt software.

Introduction of various flasher boxes and software.

Flashing of various brands of handsets.

Removing virus from infected phones.

Unlocking of handsets through codes and/or software.

Use of various secret codes.


 Use of odin

 Use of multiloader

 Use of flash loader tool

 Use of sp tool

 Use of upgrade download tool

 Use of QPSt tools

 Use of ygdp

 Use of qgdp tools

 Use of Lg support tools

 Use of qc tool

 Use of android multi tool

 Use of itunes

 Use of iroot /king root

 Use of sidesync

 Use of mi flash

 Use of sony flash tool


 Use of infinity best

 Use of miracle box

 Use of UFI box

 Use of ufs3

 Use of Chinese box

Display Repair

How to remove combo from frame.

How to Remove broken glass by separator.

How to Remove different type of glue from LCD.

(samsung,mi,oppo,Vivo,One Plus, Google pixel).

How to repair poloriser film.

How to change poloriser film.

Types of poloriser.

How to use automatic separator.

How to change/repair back light.

How to use Mold & Mold set.

Explain about glue remover machine.

Eplain about different type of OCA.

Explain about all type of chemicals.

How to use Blade Iron.

How to use advance tools.

How to use different in cutting wire.

OCA machine function

How to remove bubble 


Introduction of TAB , Difference between computer laptop , tablet pc , I pad , Basic operating of tablet pc ,types of OS in Tab – Android , windows ,IOS, Teardown / Dismantle Tab , Assemble & disassembly of tablet pc Adapter charger , battery , Ram & Rom, keyboard of Tablet pc .Display windows Touch screens touchpad , Display modules LCD /TFT / led Display , primary camera / secondary camera , 

 eMMC / eMCP / UFS Course details


1. BGA Reballing Tool’s Introduction

2. How to remove glued and non-glued EMMC BST Process

3. How to remove EMMC / EMCP BGA chip

4. Cleaning Pads of glued and non-glued BGA chip

5. Jumper pinout of ISP EMMC EMCP chip

6. Micro jumper from EMMC /EMCP chip

7. How to reball EMMC / EMCP IC

8. Easy way to make blank ball in EMMC /EMCP

9. How to remove and fix EMMC /EMCP  without damage of other IC’s and components

10.How to fix EMMC / EMCP in low temperature


1.  How to solve EMMC /EMCP Error

2.  Data recovery from dead smartphone EMMC /EMCP

3.  How to read EMMC / EMCP user data

4.  Recover whatsapp detail

5.  Recover contacts

6.  Recover images

7.  Recover videos

8.  Recover call details etc from EMMC / EMCP

9.  Type of EMMC chip detail BGA 169,153,162,186,221

10. Chip pinout with socket detail

11. All EMMC / EMCP working chart which pin are used and non used

12. How to read dump and flash file

13. How to read boot repair

14. How to flash android phones

15. How to unlock android phones

16. How to use UFI

17. How to repair IMEI

18. Deeply knowledge of UFS 

19.Jtag Box for UFS programing

20.Nand programming

Module - Xi - Mobile ( iPhone )


Study of motherboard

Explanation of various ICs

Replacing of ICs

How to solder and desolder

Jumpering techniques

Unlocking of various handsets

Display – upper files(Proximity censor, camera, Speaker (upper)

Battery Replacement 

Lower speaker + Lower flex change

All switch function

Body Change

Headphone & Network section

Display Change + Battery Change

Lower flex change

Touch ID

Short remove( Water Damage)

Network iC Replacement

Wifi & Bluetooth

Body Change


Different types of sets assembling and troubleshooting

Change Simcard holder safeway

Change PMic change way


What is IOS , features of IOS ,Difference between IOS , and Android How to use IOS ,IOS versions

Introduce of ITUNE , ICLOUD How to file and folder sharing in IOS (Picture video, Application files),How to upgrade IOS ,How to recover password in forgotten IOS DEVICE , IOS Software problems network problems,IOS upgrading problems , 

IOS related other troubleshooting flashing of mobiles 

(with flashing itunes), Installation of driver ,Installation of ios and software 


iPhone component introduction

iphone motherboard diagram

iphone component testing

Flow chart 

Change CPU

All section tracing and analyze

Grinding CPU

DFU mode restore

Nand programing

EEPROM Programing

Dc Power Supply (Analog and Digital)

Oscilloscope use for Network

Screw Hole

Change iPhone middle layer board

VCC & VDD short tracing

Back glass change with proper instrument

Face Id Solution on 

iPhone CPU repair A8,A9,A11 etc

iPhone Motherboard swaping

Additional Teaching technique


Clearing of all previous doubts

Guidance to start and manage your own mobile repair center.

Guidance to successfully work as a technician.

Guidance of Digital Marketing and website for your business

Dealing with customers

Apart form the above details became a good technician you need to know various types of tips and trick , we teach you, this 

will help you a perfect mobile engineer or Professional mobile technician.

Facilities :


Individual Microscope

Individual Silicon pad

Individual Automatic SMD

Individual Soldering iron

Individual  Pcb Stand 

Individual Dc Power Supply

Dress code (Provide by IOGT, compulsory for class)

Hostel Facilty




Course Fee: Rs. 80000.00
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