Digital Solutions - Technology Blog

Tuesday 12 August 2014

How do i connect laptop to tv

Your laptop screen is not the best medium for watching movies on, unless you enjoy squinting at a cramped display, of course. Thankfully, piping digital media - online and off - to your TV has never been easier, so whether you're looking for the right cable to physically connect your laptop and TV, or you want to investigate wirelessly streaming content to your television, you've come to the right place.

What do I need to connect my laptop to my flat-screen TV

All flat-screen TVs offer at least one HDMI port on the back for connecting to external devices, and the same is true for practically all laptops manufactured in the last five or six years. HDMI is by far the best cabled solution available because not only does it support Full HD (and beyond) signals, but you only need one cable to carry both video and audio from your laptop to your TV.

You could spend a small fortune on expensive HDMI cables, but the truth of the matter is that for HD video transmitted from your laptop, any HDMI cable will do. Lindy is just one company that manufactures a wide range of cables of varying lengths at affordable prices.

Friday 8 August 2014

IES Application Form and UPSC IES online Application form-2015

IES Application Form 2015 is invited by the Union Public Service Commission, so those contenders who are waiting for UPSC IES exam application form may apply online. UPSC is going to conduct Indian Engineering Service exam on 23.05.2015. Eligible and interested candidates may submit UPSC IES online application form on or before the last date that is 06.03.2015. Remaining details about UPSC IES exam 2015 such as last date, apply online, apply procedure, eligibility criteria, exam pattern, syllabus, etc. are stated in below module by the team of privatejobshub.

IES Exam Application Form 2015 details:

Name of organization	Union Public Service Commission
Name of exam	Indian Engineering Service (IES)
Name of Post	Engineering post
Education require	Engineering degree
Age	21 to 30 years
Selection procedure	Written test , Interview
Last Date of application form	06.03.2015
Mode of apply	Online

Essential Educational:

Aspirants must possess Engineering Degree in relevant field from recognized university.

Age Limitation:

Age of the applicants should be between 21 to 30 years. Relaxation in age will be given to reserve category candidates as per the govt. rules.

Application Fee:

For Unreserved candidates: Rs. 50/-
For Female/SC/ST candidates: No fee
The Fee can be paid in any branch of SBI by cash, or by using the net banking facility of SBI or by using any Visa/Master Credit/Debit Card.

Selection Process:

Organization will shortlisted the applicants on the basis of written test and interview.

Tuesday 5 August 2014

Bi-Colured LED Blinking Circuit and Dancing circuit or flashing circuit Make it Easy

LED (Light Emitting Diode) is a semiconductor light emitting diode. We know that diode allows the current in one direction and does not allow the reverse current which will affect the components in the circuit. LED also do the same function but will emit a small light when it allowed the current, which will give the sign or visual indication to the normal human that circuit is working. There are lots of applications using LEDs. They are mainly used for visual indication in any electronic devices, measuring and interacting with the process, displaying the pictures in TV or in any advertisement hoarding, etc.

Two LED blinking circuits are given below. First one is dancing bi-color LEDs (two different color LEDs) where the two color LED will run in sequence. In the second circuit, we will blink the LEDs in regular period of time.

Dancing Bi – Color LED Circuit:

Generally we use small voltage bulbs in the dancing bulbs. This circuit is mainly used in the occasions, decoration articles or in visual indication sign boards etc. In this project, we use bi-color LEDs for sequential running light.

Block Diagram of Bi-Color LED Circuit:

Timer is used for setting the sequential flow rate for the bi-color LED panel. The CD4017 is a decade counter which provides the timing and will make the LED ON/OFF according to the time determined.

Main Components in this Circuit:

CD4017: CD4017 is a 16 pin decade counter and only 10 pins are used for output. The 4017 will get triggered by the clock pulses. Main operation of the decade counter is as follows: When a clock pulse is taken as an input, only one output is made high for first clock pulse and remaining all output pins will be made low. For the second clock pulse, another output pin is made high and remaining all pins are made low and so on. Time period of the output pin is high according to the width of the pulse. CD4017 is used in many applications where counter is needed.

CD4017 clock pulses from output pins timing diagram is shown below:

Bi-Color LED Dancing Lights Circuit Diagram:

Circuit Diagram Explanation:

In the Bi-color LED, it should be connected to the counter as shown in the circuit. The anode of first LED in bicolor LED is connected to the anode of second LED of 10^th bicolor LED and in the same fashion, the remaining LEDs are connected, only the second anode of first bicolor LED is connected to the reset pin of the CD4017. All the cathode of bicolor LEDs is made ground.
The main operation of this circuit depends on the 555 timer which is set in astable multivibrator mode and decade counter CD4017; the 555 timer will generate low frequency clock pulse and give input to the decade counter which will make the sequential running of the LEDs.
Variable resistor can vary the resistance which will change width of the pulse. If pulse width is changed, the time period of running the LEDs will also get changed. We run the LEDs in fast or slow. Running speed can be altered by variable resistor. The first anode of 10^th bicolor LED is made short to the reset pin of the decode counter for continuous running of lights.

LED Flasher Circuit:

LED Flasher is a simple circuit which will blink the LEDs in regular time period. This circuit can be used for decoration purpose or can be used for a signaling purpose and many more.

Block Diagram of LED Flasher Circuit:

The 555 timer is used to generate the PWM signal which will cause the LEDs to blink. The speed of the blinking by LED is determined by the potentiometer connected to the 555 timer. The PNP transistor is used to flash or blinks the LEDs.

LED Flasher Circuit Diagram:

Circuit Explanation:

The 555 timer is made to be configured as a astable multivibrator. The potentiometer which is connected to the timer should be preset and also to adjust the blinking or flashing speed of the LEDs.
The bicolor LEDs are used in this circuit and connected to each other as shown in the schematic. The PWM signal is the output of the 555 timer given to transistor, which acts as an inverter. When the pulse generated by 555 timers is low, transistor will get ON and LEDs will get ON. When the input of transistor is high, transistor will get OFF and LEDs are made OFF. This ON/OFF of LEDs will go for every pulse width signal cycle. This mechanism will make the LEDs flashing.

LED Blinking Circuits Applications:

Dancing LED circuit can be used for any visual sign indication in any highways or it can be used in advertisement hoarding also.
LED blinking circuit can be used in signaling purpose (It can be used as signal for help, if you are in danger)
LED blinking circuit can be used as flashing beacon.
LED blinking circuit can be used as vehicle indicator when it is broke down in the middle of the road. It can be used in operation theaters or offices as an indication that you are engaged in work.
There are lots of applications with these two circuits.

AUTOMATIC PLANT IRRIGATION SYSTEM USING IC 555 TIMER

AUTOMATIC PLANT IRRIGATION SYSTEM USING IC 555 TIMER

Here is a simple project more useful in watering plants automatically without any human interference. We may call it as Automatic plant irrigation system. We know that people do not pour the water on to the plants in their gardens when they go to vacation or often forget to water plants. As a result, there is a chance to get the plants damaged. This project is an excellent solution for such kind of problems.

Block Diagram of Automatic Plant Irrigation System:

Explanation:

Circuit is not that much complicated. We use the basic concept in this circuit i.e. soil have high resistance when it is dry and has very low resistance when it is wet.
By using this concept we will make the system work. We insert two probes in the soil in such a way that that they will conduct when the soil is wet and they will not conduct when the soil is dry. So, when the probes do not conduct, system will automatically detect this condition with the help of HEX inverter which will become high when the input is low.
HEX inverter will trigger the NE555 Timer and this NE555 timer will trigger another NE555 which is connected to the output of first NE555. Now the second NE555 which is configured as astable multivibrator will help to switch on the Electric valve and as result, it will allow the water to flow to the soil.
When the water wet the soil, probes will again conduct and make the output of 7404 low which will make the first NE555 to low and also drive remaining circuit to low. So, automatically it will switch off the valve.

Main Components in Automatic Plant Irrigation System:

Hex Inverter 7404: the main function of the inverter is to give the complemented output for its input i.e. it will give output which is opposite to input. For example, if the input is low to the inverter, then the output will be high. Just like the normal inverter which gives high output when the input is low and gives low output when the input is high. 7404 IC will be having six independent inverters; Operating supply voltage is around 4.75V minimum to 5.5V maximum, normal supply voltage is 5V. They are used in different applications like inverting buffers, drivers, hex inverters etc. 7404 IC will be available in different packages like DIP (dual inline package), QFP (Quad Flat Package) etc. The pin configuration of Hex Inverter 7404 is shown below.

Circuit Diagram of Automatic Plant Irrigation System:

Circuit Diagram of Electronic Watering Plant System

Circuit Explanation:

We are all well aware that the plants will die due to lack of water in the soil. Soil will have high resistance when it is dry and it will have very low resistance when soil is wet. We use this simple logic to water the plants and make the circuit work.
Two probes which are connected to the circuit are placed into the soil. The two probes will conduct only when soil is wet (resistance is low) and they cannot conduct when soil is dry due to high resistance. The voltage is given to the probes to conduct is given from the battery connected to the circuit.
When the soil is dry it will produce large voltage drop due to high resistance. This is sensed by 7404 hex inverter and makes the first NE555 timer trigger which is configured as monostable multivibrator with the help of a electrical signal.
When the first NE555 is triggered at pin 2, it will generate the output at pin 3 which is given to the input of second NE555 timer. The second 555 timer is configured as astable multivibrator which got triggered by the first 555 timer and will generate the output and drive the relay which is connected to the electrically operated value through the transistor SK100. You can use a heat sink for SK100 transistor if it is dissipating more heat.
The output of second NE555 timer will switch on the transistor SK100 which will drive the relay. Relay which is connected to the input of electrical value and output of value is given to the plant plots through the pipe.
When transistor has turned on relay, it will open the valve and water is poured on to the plants pot. When the water content in the soil is increased, the resistance in the soil will get decreased and conduction of the probes will get started which will make the 7404 Inverter to stop the triggering of first 555 timer. Ultimately it will stop the electrical valve which is connected to the relay. Variable resistor (R5) and capacitor (C1) are used to adjust the valve when to we want to conduct the probes.
The capacitor C5 (0.01uf) is used to ground, the CV pin of second NE555 timer. C3 will remove the AC noise and allow only DC to the remaining circuit. C4 and R3 will constitute to configure the NE555 in astable multivibrator.

Values of the Components in the Circuit:

Capacitor (C4) = 10u 16V.
Capacitor (C5) = 0.01u.
Resistor (R3) = 27K
Resistor (R4) = 27K
Diode (D1 and D2) = IN4148
Relay = 6V, 150 ohms

Note:

Battery should be continuously monitored from power outage or simply you can use 9V DC supply adaptor.
Probes must be inserted into the soil. They should not be kept on the soil.
Electric valve should be used for best result.

water level indicator and controller using 8051 micro controller

This article explains you how to detect and control the water level in an overhead tank or any other container. This system monitors the water level of the tank and automatically switches ON the motor when ever tank is empty. The motor is switched OFF when the overhead tank or container is FULL. Here the water level of the tank is indicated on LCD (Liquid crystal Display). Using this system, we can avoid the overflow of the water. We have already seen How water level indicator circuit works using AVR Microcontroller in the earlier post. But, here we are designing the circuit which is used to detect and control the water level automatically in overhead tank using 8051 microcontroller.
In this system water sensing can be done by using a set of 4 wires which are placed at different levels in tank. DC supply probe is placed at the base of the tank.

Water Level Controller using 8051 Circuit Principle:

This system mainly works on a principle that “water conducts electricity”. The four wires which are dipped into the tank will indicate the different water levels. Based on the outputs of these wires, microcontroller displays water level on LCD as well as controls the motor.

Circuit Diagram:

Circuit Diagram of Water Level Controller using 8051 Microcontroller

Circuit Components:

At89c51 controller
At89c51 programming board.
16*2 LCD
5V Relay
Bc547 (NPN) transistors – 5
Resistors (1K) – 4
Resistor – 330 ohm
AC Motor
Pot – 10k
Programming cable
Connecting wires

Water Level Controller using 8051 Circuit Design:

The main heart of this project is AT89C51 microcontroller. The water level probes are connected to the P3.0, P3.1, P3.2, and P3.3 through the transistors. Port P2 connected to the data pins of LCD and control pins RS, RW and EN of LCD are connected to the P1.0, P1.1, and P1.2 respectively.
Initially when tank is empty, LCD will display the message EMPTY and motor runs automatically. When water level reaches to quarter level, now LCD displays QUARTER and still motor runs. For further levels, LCD displays the messages HALF and ¾ FULL.
When tank is full, LCD displays FULL and motor automatically stops. Again motor runs when tank is empty.

Algorithm for Water Level Controller Circuit:

First configure the controller pins P3.0, P3.1, P3.2 and P3.3 as inputs and P3.4 as output.
Now initialize the LCD.
Continuously check the water level input pins P3.0, P3.1, P3.2, and P3.3
If all the pins are low then display tank is empty on LCD and make P3.4 pin high to run the motor automatically.
High pulse on the pin P3.0 indicates quarter level, display the same thing on LCD.
If P3.1 is high then water level is half.
High pulse on P3.2 indicates 3/4^th full of the tank.
If P3.3 is high then tank is full, now make P3.4 pin is low to turn off the motor automatically.

How to Operate Water Level Controller Circuit using 8051 Microcontroller?

Initially burn the program to the controller.
Now give the connections as per the circuit diagram.
While giving the connections, make sure that there is no common connection between AC and DC supplies.
Place the 4 water level indicating wires into the small tank.
Switch on the supply, now the motor will run automatically as there is no water in the tank.
Now pour the water, when it reaches to quarter level then LCD displays QUARTER on LCD.
For further levels it will displays HALF and ¾ FULL on LCD.
Still if you pour the water then LCD displays FULL and motor turns off automatically when the tank is full.

Water Level Controller Circuit Advantages:

Human effort is reduced as the system controls the motor automatically based on the water level.
This system consumes less power.
Simple and more reliable.

Applications of Water Level Controller Circuit using 8051:

Used in big buildings where the manual monitoring is difficult.
Used in industries to control the liquid level automatically.

B.Tech EEE Projects,EEE Final Year Projects for Stedents

EEE refers to Electrical and Electronics Engineering. Nowadays most of the students showing interest to join in this branch to complete their B.Tech successfully and to build good career in future. In EEE, they can learn different concepts on electronics and complete their project in final year. Many of them try to do creative and innovative projects. Some of them also try to do the projects which may be helpful in real life.
For their purpose, here we have listed few best projects ideas from various categories like embedded, electrical, robotics, DTMF, GSM, RF, RFID, etc. Most of these EEE projects ideas give a better idea in electronic circuits and their functionality. These ideas are collected from different sources for the convenience of EEE students. We hope these EEE projects ideas are very useful for engineering students in completing their B.Tech successfully.

Please refer this page: Projects

How to add embed video of youtube video to blogspot blogs

Steps for Youtube Embed Videos for Blogs:

First loging in blogger account.
after logged in ur blogger account dash board will appear.
Then click on the new post.
Then appear compose and Html.
enter some data on compose and then click on html.
Then past the embed video code on that.
if you dont know the how to copy the embed video on youtube fallow the steps
open the video on youtube what video you want.
then right click mouse on youtube video
select embed video and copy the embed code
Then past it on Html in your blog post

Home Made Speaker box DIY using,used diet coke tin simple make

Home Made Speaker box DIY using,used diet coke tin simple make

Home made speaker box used with deit coke bottle it is simple to make.speaker cost is very less 8ohm , 0.4 watt speaker used.It can used as multimedia speaker to connect pc and as well as laptop also...
construction is very simple you can make at home without using tools and cheap. You can also see the video below then you can understand easily.....

Sunday 27 July 2014

BlueDart Courier Services in Rajahmundry Area with adresses and phone numbers

DTDC Courier Services in Rajahmundry Area with adresses and phone numbers

DTDC Channel Partners

RAJAHMUNDRY (DANAVAIPET) (2)
NO.46-9-8, BY PASS ROAD, DANAVAIPET
RAJAHMUNDRY, E. GODHAVARI DIST
RAJAHMUNDRY 533103 (AP)
Phone: 9247790893

email: danavaipet.hyd@fr.dtdc.com

RAJAHMUNDRY (MAIN ROAD)
D. NO. 8-24-23, OPP. UNIVERCELL SHOP, MAIN ROAD,
RAJAHMUNDRY
RAJAHMUNDRY 533101 (AP)
Phone: 8099911143

email: rajahmundry1.hyd@fr.dtdc.com
RAJAHMUNDRY - AUTO NAGAR
SHOP NO.3, NEHRU ROAD,
AUTO NAGAR, RAJAHMUNDRY, E.GODAVARI DIST,AP
RAJAHMUNDRY 533106 (AP)
Phone: 9399399899

email: rjmautonagar.hyd@fr.dtdc.com

RAJAHMUNDRY - PRAKASH NAGAR
D.NO. 75-3-2-1, PRAKASH NAGAR,
RAJAHMUNDRY,
RAJAHMUNDRY 533103 (AP)
Phone: 0883 - 2471533 / 9000762060 / 9000261633

email: rajahmundryprakashngr.hyd@fr.dtdc.com
RAJAHMUNDRY SUPER FRANCHISEE
H.NO.13-1 5, RSN COMPLEX, OPP.TALUK OFFICE
NEAR KOTIPALLY BUS STAND, RAJAHMUNDRY
RAJAHMUNDRY 533101 (AP)
Phone: 0883 - 2420048 / 9849398701 / 9290081677

email: rajahmundry.hyd@fr.dtdc.com

RAJAHMUNDRY-DEVI CHOWK (3)
D.NO.29-1-28, DEVI CHOWK, GUMALLA COMPLEX
BESIDE VETERINARY HOSPITAL, RAJAHMUNDRY
RAJAHMUNDRY 533103 (AP)
Phone: 0883 - 2437204 / 9849131781 / 9490178591
Fax: 08832498002
email: rjmdevichowk3.hyd@fr.dtdc.com
RAJAHMUNDRY-INNISPET (4)
BHANU TOWERS, D NO.6-5-5, INNISPET
OPP.SYAMALA TALKIES, RAJAHMUNDRY
RAJAHMUNDRY 533101 (AP)
Phone: 9866309167 / 9348770999

email: rajahmundryinnispet.hyd@fr.dtdc.com

RAJANAGARAM
D. MUTYALA RAO COMPLEX, OPP. SBI,
DIWANCHERU, RAJANAGARAM,E.GODAVARI DIST
RAJAHMUNDRY 533294 (AP)
Phone: 9032989979

email: rajanagaram.hyd@fr.dtdc.com

Saturday 26 July 2014

Backup the data of deleted contacts in android phones

Data recovery in android phones

Some people may accidentally delete their contacts from Android. How to get those important contacts back? When you deleted contacts from Android, they were not really gone, but only marked as useless on your phone and could be overwritten by new data. Therefore, you'd better stop using your phone after losing your contacts, to ensure a higher rate of recovery.

Simple steps for recover the deleted contacts in android phone:

Connect your Android mobile phone to the computer (enable USB debugging)
Download android data recovery software for pc or laptop.
Before connect the android phone usb debugging ON.
Install the android drivers automatically when connected to pc or laptop.
After that Run the data recovery software on pc or laptop.
Start the scan android phone.
Then appear the screen contacts,images,videos and select contacts.
Then you will be getting contacts one by one in csv file format or jpeg format

ou'll get the main window below.

If you didn’t enable USB debugging on your device, you’ll see the window below. Follow the detailed expression below. There are three different ways to finish this job for different Android system:
Note: If you have already enabled USB debugging on your device before, you can skip this step.

1) For Android 2.3 or earlier: Enter "Settings" < Click "Applications" < Click "Development" < Check "USB debugging"
2) For Android 3.0 to 4.1: Enter "Settings" < Click "Developer options" < Check "USB debugging"
3) For Android 4.2 or newer: Enter "Settings" < Click "About Phone" < Tap "Build number" for several times until getting a note "You are under developer mode" < Back to "Settings" < Click "Developer options" < Check "USB debugging"

- See more at: http://www.android-recovery-transfer.com/recover-deleted-contacts-from-android-phone.html#sthash.cXZeEMn8.dpuf

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

Download, install and run Android Data Recovery on your computer, and you'll get the main window below.

- See more at: http://www.android-recovery-transfer.com/recover-deleted-contacts-from-android-phone.html#sthash.cXZeEMn8.dpuf

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

ownload, install and run Android Data Recovery on your computer, and you'll get the main window below.

1) For Android 2.3 or earlier: Enter "Settings" < Click "Applications" < Click "Development" < Check "USB debugging"
2) For Android 3.0 to 4.1: Enter "Settings" < Click "Developer options" < Check "USB debugging"
3) For Android 4.2 or newer: Enter "Settings" < Click "About Phone" < Tap "Build number" for several times until getting a note "You are under developer mode" < Back to "Settings" < Click "Developer options" < Check "USB debugging"

Then connect your Android device to the computer and move to the next step.

Step 2. Analyze and scan your Android device for lost contacts

After the program detected your Android device, you'll get a window below. Before scanning your device, let the program analyze it by clicking “Start” button.

The analysis will take you a few seconds. After that, you'll get a window as follows. As the window shows, click "Allow" button on your Android device's screen to permit the Superuser Request. Then click "Start" button on the program's window to begin the scan.

Step3. Preview and restore contacts from Android phones

After the scan, it will remind you when all contacts and messages have been scanned out. Then you can stop it and preview all your contacts. Mark the data those you want to get back and click "Recover" button to save them on your computer.

- See more at: http://www.android-recovery-transfer.com/recover-deleted-contacts-from-android-phone.html#sthash.cXZeEMn8.dpuf

ownload, install and run Android Data Recovery on your computer, and you'll get the main window below.

1) For Android 2.3 or earlier: Enter "Settings" < Click "Applications" < Click "Development" < Check "USB debugging"
2) For Android 3.0 to 4.1: Enter "Settings" < Click "Developer options" < Check "USB debugging"
3) For Android 4.2 or newer: Enter "Settings" < Click "About Phone" < Tap "Build number" for several times until getting a note "You are under developer mode" < Back to "Settings" < Click "Developer options" < Check "USB debugging"

Then connect your Android device to the computer and move to the next step.

Step 2. Analyze and scan your Android device for lost contacts

After the program detected your Android device, you'll get a window below. Before scanning your device, let the program analyze it by clicking “Start” button.

Step3. Preview and restore contacts from Android phones

ownload, install and run Android Data Recovery on your computer, and you'll get the main window below.

1) For Android 2.3 or earlier: Enter "Settings" < Click "Applications" < Click "Development" < Check "USB debugging"
2) For Android 3.0 to 4.1: Enter "Settings" < Click "Developer options" < Check "USB debugging"
3) For Android 4.2 or newer: Enter "Settings" < Click "About Phone" < Tap "Build number" for several times until getting a note "You are under developer mode" < Back to "Settings" < Click "Developer options" < Check "USB debugging"

Then connect your Android device to the computer and move to the next step.

Step 2. Analyze and scan your Android device for lost contacts

After the program detected your Android device, you'll get a window below. Before scanning your device, let the program analyze it by clicking “Start” button.

Step3. Preview and restore contacts from Android phones

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

Tuesday 12 August 2014

What do I need to connect my laptop to my flat-screen TV

Friday 8 August 2014

Tuesday 5 August 2014

Dancing Bi – Color LED Circuit:

Block Diagram of Bi-Color LED Circuit:

Bi-Color LED Dancing Lights Circuit Diagram:

LED Flasher Circuit:

Block Diagram of LED Flasher Circuit:

LED Flasher Circuit Diagram:

LED Blinking Circuits Applications:

Block Diagram of Automatic Plant Irrigation System:

Main Components in Automatic Plant Irrigation System:

Circuit Diagram of Automatic Plant Irrigation System:

Water Level Controller using 8051 Circuit Principle:

Circuit Diagram:

Water Level Controller using 8051 Circuit Design:

Algorithm for Water Level Controller Circuit:

How to Operate Water Level Controller Circuit using 8051 Microcontroller?

Water Level Controller Circuit Advantages:

Applications of Water Level Controller Circuit using 8051:

Please refer this page: Projects

Sunday 27 July 2014

DTDC Courier Services in Rajahmundry Area with adresses and phone numbers

Saturday 26 July 2014

Data recovery in android phones

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

Step 2. Analyze and scan your Android device for lost contacts

Step3. Preview and restore contacts from Android phones

Step 2. Analyze and scan your Android device for lost contacts

Step3. Preview and restore contacts from Android phones

Step 2. Analyze and scan your Android device for lost contacts

Step3. Preview and restore contacts from Android phones

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

Step 1. Connect your Samsung mobile phone to the computer (enable USB debugging)

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