* Some of the contents of this manual may differ from your phone,depending on the software installed or your service provider.World Wide Webhttp://www.samsungmobile.comPrinted in KoreaCode No.:GH68-06732AEnglish. 05/2005. Rev. 1.0SAMSUNG ELECTRONICS

safety precautions

about this guide

Unpack

Get started

power on or off

keys and display

access menu functions

Customise your phone

Make/answer calls

Step outside the phone

Use Phonebook

view messages

manage schedule

Enter text

using abc mode

using t9 mode

Call functions

viewing missed calls

using the headset

answering a second call

using phonebook

Menu functions

Solve problems

Health and safety information

precautions when using batteries

road safety

electronic devices

potentially explosive environments

other important safety information

Index

Samsung SGH-X640 User Manual

SGH-X640

gsm general specification

gsm tx power class

charging part

sim part

microphone part

key data input

receiver part

lcd part

key back light

camera part

gsm receiver

gsm transmitter

dcs receiver

dcs transmitter

Important safety precautions

Unpacking

Your phone

Display

display icons

Service light

Camera

Getting started

Switching the phone on or off

Selecting functions and options

Ending a call

Adjusting the volume

Using the headset

Entering text

Changing the text input mode

Using T9 mode

Using symbolic mode

Using the menus

Phonebook menu

Add entry (Phonebook 1.2)

Copy all to phone (Phonebook 1.4)

Delete all (Phonebook 1.5)

Memory status (Phonebook 2.3)

Call records

Call time (Menu 2.5)

Network services

Call barring (Menu 3.2)

Call waiting (Menu 3.3)

Network selection (Menu 3.4)

Sound settings

Power on/off (Menu 4.3)

Alerts on call (Menu 4.8)

Messages

Multimedia messages (Menu 5.2)

Preset messages (Menu 5.4)

Broadcast (Menu 5.6)

Memory status (Menu 5.8)

WWW services (Menu 6.1)

Media box (Menu 6.2)

JAVA world (Menu 6.3)

Organiser

Calendar (Menu 7.2)

To do list (Menu 7.3)

Clock (Menu 7.4)

Voice recorder (Menu 7.6)

Calculator (Menu 7.7)

Timer (Menu 7.9)

Stopwatch (Menu 7.10)

My photos (Menu 8.2)

Delete all (Menu 8.4)

Phone settings

Greeting message (Menu 9.2)

Auto redial (Menu 9.5)

Anykey answer (Menu 9.9)

Using ALS (Alternate Line Service)

Solving problems

Access codes

PIN2

Road safety

Operating environment

Potentially explosive atmospheres

Emergency calls

Care and maintenance

Phone Use

Specification

Circuit Description

Exploded Views and Parts List

Electrical Parts List

Block Diagrams

PCB Diagrams

Flow Chart of Troubleshooting

SGH-X640C

SGH-X640S