Depending on the software installed or your service provider or country,
*
some of the descriptions in this guide may not match your phone exactly.
* Depending on your country, your phone and accessories may appear
different from the illustrations in this guide.
Version: X638ZMFB1
Draft 0.1: 2006. 3. 28
World Wide Web
http://www.samsungmobile.com
Printed in Korea
English. 3/2006. Rev. 1.0.
SGH-X638
User’s Guide
Important
safety
precautions
Failure to comply with the following
precautions may be dangerous or illegal.
Drive safely at all times
Do not use a hand-held phone while driving. Park
the vehicle first.
Switch off the phone when refuelling
Do not use the phone at a refuelling point (service
station) or near fuels or chemicals.
Switch off in an aircraft
Wireless phones can cause interference. Using them
in an aircraft is both illegal and dangerous.
Switch off the phone near all medical
equipment
Hospitals or health care facilities may be using
equipment that could be sensitive to external radio
frequency energy. F ollow any regulations or rules in
force.
Interference
All wireless phones may be subject to interference,
which could affect their performance.
Be aware of special regulations
Meet any special regulations in force in any area and
always switch off your phone whenever it is forbidden
to use it, or when it may cause interference or danger.
Water resistance
Your phone is not water-resistant. Keep it dry.
Sensible use
Use only in the normal position (held to the ear). Avoid
unnecessary contact with the antenna when the phone
is switched on.
Emergency calls
Key in the emergency number for your present
location, then press .
Keep your phone away from small children
Keep the phone and all its parts, including accessories,
out of the reach of small children.
Accessories and batteries
Use only Samsung-approved accessories and
batteries. Use of any unauthorised accessories could
damage your phone and may be dangerous.
• The phone could explode if the battery is replaced
with an incorrect type.
• Dispose of used batteries according to the
manufacturer’s instruc tio ns.
Qualified service
Only qualified service personnel may repair your
phone.
For more detailed safety information, see "Health and
safety information" on page 70.
Important safety precautions
1
About this Guide
This User’s Guide provides you with condensed
information about how to use your phone. To quickly
learn the basics for your phone, please ref er to “Get
started” and “Step outside the phone.”
In this guide, the following instruction icons appear:
Indicates that you need to pay careful
attention to the subsequent information
regarding safety or phone features.
[ ]
< >
2
Indicates that you can get more
information on the referenced page.
Indicates that you need to press the
→
Navigation keys to scroll to the specified
option and then select it.
Indicates a key on the phone. For example,
[]
Indicates a soft key, whose function is
displayed on the phone screen. For
example, <
Menu
>
• Camera and camcorder
Use the camera module on your
phone to take a photo or record a
video.
Special
•IrDA
Send and receive Phonebook and
calendar data via an infrared port.
•Web browser
Access the wireless web to get
up-to-the-minute information and
a wide variety of media content.
features of your phone
• Get personal with photo caller
ID
See who’s calling you when their
very own photo displays.
•Calendar
Keep track of your daily, weekly,
and monthly schedule.
Special features of your phone
•Name card
Create name cards with your
number and profile.
•
Multimedia Message Service (MMS)
Send and receive MMS messages with a
combination of text, image, video, and audio.
•Java
Enjoy Java™-based embedded
games and download new games.
• Voice recorder
Record memos or sounds.
•Alarm
Use your phone as an alarm clock
to wake you up in the morning or
notify you of an impending event.
• Timer and Stopwatch
Count down to a specific event or
measure the time it takes to do
your exercise or work.
3
Contents
Unpack 6
Make sure you have each item
Your phone 6
Buttons, features, and locations
Get started 7
First steps to operating your phone
Install and charge the phone..................................... 7
Power on or off........................................................ 8
Keys and display ..................................................... 9
Access menu functions ............................................ 11
Customise your phone............................................. 12
p. 31
p. 32
p. 33
p. 33
p. 34
p. 34
p. 35
p. 35
p. 35
p. 35
p. 36
p. 37
p. 37
p. 37
p. 37
1 Create message
2 My messages
3 Te mp lat es
4 Delete all
5 Settings
6 Memory status
6 File manager
1 Images
2 Videos
3 Sounds
4 Other files
5 Memory status
7 Calendar
p. 37
8 Camera
p. 38
p. 39
9 Settings
p. 43
p. 43
1 Time and date
p. 43
2 Phone settings
p. 46
3 Display settings
4 Sound settings
p. 46
5 Network services
p. 46
6 Security
p. 47
7 Connection settings
p. 48
8 Reset settings
p. 48
p. 49
* Shows only if supported by your
SIM card.
p. 49
p. 52
p. 57
p. 57
p. 57
p. 60
p. 61
p. 63
p. 65
p. 67
p. 68
5
Unpack
Make sure you have each item
Your phone
Buttons, features, and locations
Phone
Battery
Travel Adapter
User’s Guide
You can obtain various accessories from
your local Samsung dealer.
The items supplied with your phone
and the accessories available at your
Samsung dealer may vary, depending
on your country or service provider.
6
Earpiece
Display
Volume keys
Navigation keys
(Up/Down/
Left/Right)
Left soft key
Dial key
Alphanumeric
keys
Special
function keys
Web access/
Confirm key
Right soft key
Power on/off/
Menu exit key
Correct key
Microphone
Headset jack
Mirror
Camera lens
Camera key
Get started
First steps to operating your phone
SIM card information
When you subscribe to a cellular network, you receive
a plug-in SIM (Subscriber Identity Module) card
loaded with your subscription details, such as your
PIN, and available optional services.
Install and charge the phone
Remove the battery
cover.
Insert the SIM card.
Install the battery.
Replace the cover.
Plug the travel adapter into the phone.
If the phone is already
on, first turn it off by
holding [].
Make sure that the
gold-coloured contacts
on the card face down
into the phone.
Plug the adapter into a standard AC wall outlet.
7
Get started
When the phone is completely charged (the
battery icon becomes still), unplug the adapter
from the power outlet.
Power on or off
Switch on
1. Open the phone.
Remove the adapter from the phone.
Low battery indicator
When the battery is low:
• a warning tone sounds,
• the low battery message displays, and
• the empty battery icon blinks.
If the battery level becomes too low, the phone
automatically turns off. Recharge your battery.
8
Do not turn on
the phone when
mobile phone
use is prohibited.
Switch off
2. Press and hold [] to turn on
the phone.
3. If necessary, enter the PIN and
press <OK>.
1. Open the phone.
2. Press and hold [].
Keys and display
Keys
Perform the function indicated on the
bottom line of the display.
In Idle mode, access your favourite menus
directly.
In Menu mode, scroll through menu options.
In Idle mode, launch the web browser.
In Menu mode, select the highlighted menu
option or confirm input.
Make or answer a call.
In Idle mode, retrieve the recent numbers
dialled, missed, or received.
Delete characters from the display or an
item in an application.
End a call.
Press and hold to switch the phone on or off.
In Menu mode, cance l input and return the
phone to Idle mode.
p. 59
Enter numbers, letters, and some special
characters.
In Idle mode, press and hold
your voicemail server. Press and hold [
enter an international call prefix.
Enter special characters.
In Idle mode, press and hold [ ] to activate
or deactivate Quiet mode. Press and hold
[ ] to enter a pause between numbers.
Adjust the phone volume.
In Idle mode, with the phone open, adjust
the keypad tone volume. With the phone
closed, press and hold to turn on the
external display.
In Idle mode, press and hold to turn on the
camera.
In Camera mode, take a photo or reco rd a
video.
[1]
to access
0
] to
Get started
9
Get started
Display
Layout
Icons
10
Menu Contacts
*
Icons
display various icon s.
Text and graphics
display messages,
instructions, and
information you enter.
Soft key function
indicators
show the current func tio n s
assigned to the soft keys.
Received signal strength
Call in progress
Out of your service area; you
cannot make or receive calls
GPRS network
Roaming network
Call diverting feature active
Home Zone, if registered for the
appropriate service
Office Zone, if registered for the
appropriate service
Infrared port active
Call ringer set to vibrate
Quiet mode (Vibration)
Quiet mode (Mute)
Mute mode, during a call
New message
New voicemail
Alarm set
Battery power level
* Depending on your country or service provider, the icons
shown on the display may vary.
Access menu functions
Use the soft
keys
The roles of the soft keys vary
depending on the function you are
using. The bottom line of the
display indicates their current role.
Select Back
Press the left
soft key to select
the highlighted
option.
Press the right
soft key to retu rn
to the previous
menu level.
Select an
option
Use shortcuts
1. Press the appropriate soft key.
2. Press the Navigation keys to
move to the next or previous
option.
3. Press <
Select
> or [] to
confirm the function displayed
or option highlighted.
4. To exit, choose either of the
following methods.
•Press <
Back
> to move up
one level.
• Press [ ] to return to Idle
mode.
Press the number key
corresponding to the option you
want.
Get started
11
Get started
Customise your phone
Display
language
Call ringer
melody
12
1. In Idle mode, press <
and select
settings
2. Select a language.
1. In Idle mode, press <
and select
settings
Ringtone
2. Select a ringtone category.
3. Select a ringtone.
4. Press <
Settings
→
Language
Settings
→
Incoming call
.
Save
>.
Menu
→
Menu
→
>
Phone
.
>
Sound
→
Idle mode
wallpaper
Menu mode
skin colour
You ca n set wallpaper for the idle
screen on the display.
1. In Idle mode, press <
and select
settings
display
2. Select an image category.
3. Select an image.
4. Press <
5. Press <
You can change the colour for the
display components, such as title
bars and highlight bars.
1. In Idle mode, press <
and select
settings
2. Select a colour pattern.
Settings
→
Wallpaper
.
Select
Save
>.
Settings
→
Skin
>.
.
Menu
→
Display
→
Menu
→
Display
>
Main
>
Menu
shortcuts
Quiet mode
You can set the Navigation keys as
shortcuts to access your favourite
menus.
1. In Idle mode, press <
and select
settings
2. Select a key.
3. Select a menu to be assigned to
the key.
You can switch the phone to Quiet
mode to avoid disturbing other
people.
Press and hold [ ] in Idle mode.
Settings
→
Shortcuts
Menu
→
>
Phone
.
Phone lock
You can protect the phone against
unauthorised use with a phone
password. The phone will require
the password on power-up.
1. In Idle mode, press <
and select
Security
password
2. Enter the default password,
00000000
3. Enter a new 4- to 8-digit
password and press <OK>.
4. Enter the new password again
and press <OK>.
5. Select
6. Select
7. Enter the password and press
<OK>.
Settings
→
Change
.
, and press <OK>.
Phone lock
Enable
Menu
>
→
.
.
Get started
13
Make/Answer calls
Make a call
Answer a call
Adjust the
volume during
a call
14
1. In Idle mode, enter an area
2. Press [ ].
3. To end the call, press [].
1. When the phone is ringing,
2. To end the call, press [].
Press [ / ].
code and phone number.
press [ ].
Step outside the phone
Begin with your camera, web, messaging, and other
special features
Use the camera
Take a photo
1. Open the phone.
2. In Idle mode, press and hold
[ ] to turn on the camera.
3. Adjust the image to be
captured.
4. Press [ ] to take a photo. The
photo is saved automatically.
5. Press <
Preview
another photo.
> to take
View a photo
1. In Idle mode, press <
and select
Images
2. Select the photo you want.
File manager
→
Photos
Menu
.
→
>
Browse the web
Using a built-in web browser, you can get easy access
to the wireless web to get a variety of up-to-date
services and information and to enjoy down loads of
web content.
Step outside the phone
Record a video
Play a video
1. In Idle mode, press and hold
[] to turn on the camera.
2. Press [1] to switch to Record
mode.
3. Press [] to start recording.
4. Press [] to stop recording.
The video is saved
automatically.
5. Press <
1. In Idle mode, press <
2. Select the video you want.
Preview
another video.
and select
Videos
File manager
→
Video clips
> to record
Menu
→
.
>
Launch the
web browser
Navigate the
web
In Idle mode, press [].
• T o scroll through browser items,
press [Up] or [Down].
• To select an item, press [].
• To return to the previous page,
press <
Options
Menu
> and select
>.
Back
.
• To access browser options,
press <
15
Step outside the phone
Use Phonebook
Add an entry
16
To the phone’s memory:
1. In Idle mode, enter a phone
number and press <
2. Select
3. Specify contact information:
4. Press <
To the SIM card:
1. In Idle mode, enter a phone
2. Select
3. Enter a name.
4. Press <
Save contact
→
a number type.
First name, Last name, Mobile,
Home, Office, Fax, Other, Email,
Caller ID, Ringtone, Group, and
Memo.
Save
number and press <
Save contact
Save
Options
→
Phone
> to save the entry.
Options
→
SIM
> to save the entry.
Find an entry
>.
Create and
send a name
card
>.
.
1. In Idle mode, press
<
Contacts
2. Select an entry.
3. Scroll to a number and press
[ ] to dial, or press [] to
edit contact information.
1. In Idle mode, press <
and select
namecard
2. Specify your contact
information.
3. Press <
name card.
4. T o send the name card to other
people, press <
select
method.
>.
Phonebook
.
Save
> to save the
Send via
Menu
Options
→
a sending
>
→ My
> and
Send messages
Send a text
message (SMS)
Send a
multimedia
message
(MMS)
1. In Idle mode, press <
2. Enter the message text.
3. Press <
4. Enter destination numbers.
5. Press [] to send the
1. In Idle mode, press <
2. Select
3. Enter the message subject and
and select
Create message →
message
Save and send
message.
and select
Create message →
Multimedia message
press [].
Messaging
.
Options
Messaging
Subject
> and select
or
Send only
.
Menu
→
Text
Menu
→
.
>
>
4. Select
5. For
.
6. Select
7. Enter the message text and
8. Press <
9. Enter destination numbers or
10.Press [] to send the
Image and video
Sound
.
Image and video
Add image
add an image or a video clip.
For
and add a sound clip.
press [].
Send
addresses.
message.
Sound
Message
Options
.
or
Add video
, select
.
> and select
or
, select
and
Add sound
Step outside the phone
17
Step outside the phone
View messages
View a text
message
18
When a notification appears:
1. Press <
2. Select the message from the
From the Inbox:
1. In Idle mode, press <
2. Select an SMS message ().
View
Inbox.
and select
messages
>.
Messaging
→
Inbox
Menu
→
.
>
My
View a
multimedia
message
When a notification app ear s :
1. Press <
2. Press <
3. Select the message from the
From the Inbox:
1. In Idle mode, press <
2. Select an MMS message ().
View
Options
Retrieve
Inbox.
and select
messages
>.
> and select
.
Messaging
→
Inbox
Menu
→
.
>
My
Enter text
AB, T9, Number, and Symbol mode
You can enter text for some features, such as
messaging, Phonebook, or Calendar, using AB mode,
T9 mode, Number mode, and Symbol mode.
Changing the text input mode
• Press and hold [ ] to switch between T9 mode
() and AB mode (). Depending on your
country, you may also be able to access an input
mode for your specific language.
• Press [ ] to change case or switch to Number
mode ().
• Press and hold [ ] to switch to Symbol mode.
Using AB mode
Press the appropriate key until the character you want
appears on the display .
Key
(Creating an SMS message with GSM-Alphabet encoding)
Characters in order displayed
Upper case
Lower case
19
Enter text
Tips for using AB mode
• To enter the same letter twice or to enter a
different letter on the same k ey , w ait for the curs or
to move to the right auto matically or press [Ri ght].
Then, enter the next letter.
• Press [ ] to insert a space.
• Press the Navigation keys to move the cursor.
•Press [C] to delete characters one by one. Press
and hold [C] to clear the display.
Using T9 mode
T9 is a predictive text input mode that allows you to
key in any character using single keystrokes.
Entering a word in T9 mode
1. Press [2] to [9] to start entering a word. Press
each key once for each letter.
For example, press [4], [3], [5], [5], and [6] to
enter Hello in T9 mode.
T9 predicts the word that you are typing, and it
may change with each key that you press.
20
2. Enter the whole word before editing or deleting
characters.
3. When the word displays correctly, go to step 4.
Otherwise, press [0] to display alternative wor d
choices for the keys that you have pressed.
For example, Of and Me use [6] and [3].
4. Press [ ] to insert a space and enter the next
word.
Tips for using T9 mode
• Press [1] to enter periods or apostrophes
automatically.
• Press [ ] to insert a space.
• Press the Navigation keys to mov e th e cursor.
• Press [C] to delete characters one by one. Press
and hold [C] to clear the display.
Adding a new word to the T9 dictionary
This feature may not be available for some languages.
1. Enter the word that y ou want to add.
2. Press [0] to display alternative words for your key
presses. When there are no more alternative
words,
Add
appears on the bottom line.
3. Press <
4. Enter the word you want using AB mode and press
<OK>.
Add
>.
Using Number mode
Number mode enables you to enter numbers.
Press the keys corresponding to the digits you want.
Using Symbol mode
Symbol mode enables you to insert symbols.
ToPress
display more symbols[Up] or [Down].
select a symbolthe corresponding
clear the entered symbols[C].
insert the symbols<OK>.
number key.
Call functions
Advanced calling features
Making a call
1. In Idle mode, enter the area code and phone
number.
2. Press [ ].
• Press [C] to clear the last digit or press and hold
[C
] to clear the whole display. You can move t he
cursor to edit an incorrect digit.
• Press and hold [ ] to enter a pause between
numbers.
Making an international call
1. In Idle mode, press and hold [0]. The + character
appears.
2. Enter the country code, area code, and phone
number, then press [ ].
Call functions
21
Call functions
Redialling recent numbers
1. In Idle mode, press [ ] to display the list of
recent numbers.
2. Scroll to the number you want and press [ ].
Making a call from Phonebook
Once you have stored a number in Phonebook, you
can dial the number by selecting it from Phonebook.
p. 27
You can also use the speed dial feature to assign your
most frequently called numbers to specific number
keys.p. 29
You can quickly dial a number from the SIM card using
its location number assigned when stored.
1. In Idle mode, enter a location number and press
[].
2. Press [Left] or [Right] to scroll through other
numbers.
3. Press <
22
Dial
> or [ ] to dial the number you want.
Ending a call
Close the phone or press [ ].
Answering a call
When you receive an incoming call, the phone rings
and displays the incoming call image.
Press <
Accept
> or [ ] to answer the call.
Tips for answering a call
• When
• When
• Press <
• Press and hold [ / ] to reject a call or mute the
Anykey answer
any key, except for <
Active flip
the phone.p. 60
Reject
ringer, depending on the
p. 60
Reject
is active, you can simply open
> or [] to reject a call.
is active, you can press
> and [].p. 60
Volume key
setting.
Viewing missed calls
If you have missed calls, the screen displays how
many calls you have missed.
1. Press <
2. If necessary, scroll through the missed calls.
3. Press [ ] to dial the number you want.
View
>.
Using the headset
Use the headset to make or answer calls without
holding the phone.
Connect the headset to the jack on the left side of the
phone. The button on the headset works as listed
below:
ToPress
redial the last calland hold the button twice.
answer a callthe button.
end a callthe button.
Options during a call
You can access a number of functions during a call.
Adjusting the volume during a call
Use [ / ] to adjust the earpiece volume during a call.
Press [ ] to increase the volume level an d [ ] to
decrease the volume level.
Placing a call on hold/Retrieving
Press <
Hold
> or <
or retrieve the call.
Retrieve
Making a second call
You can make another call if your network supports it.
1. Press <
2. Make the second call in the normal way.
3. Press <
4. Press <
5. To end the current call, press [ ].
Hold
> to put the call on hold.
Swap
> to switch between the calls.
Options
the call on hold.
> and select
> to place a call on hold
End held call
to end
Call functions
23
Call functions
Answering a second call
You can answer an incoming call while already on the
phone, if your network supports it and you have
activated the call waiting featu re.p. 64
1. Press [ ] to answer the call. The first call is
automatically put on hold.
2. Press <
3. Press <
4. To end the current call, press [ ].
Swap
> to switch between the calls.
Options
the call on hold.
> and select
End held call
to end
Using the Speakerphone feature
Use your phone as a speaker phone to talk and listen
with the phone a short distance away.
Press [] and then <
Speakerphone feature. Press [] again to switch
back to the earpiece.
24
Yes
> to activate the
Using In-call options
Press <
Options
during a call:
•
Speaker on/Normal
feature or switch back to Normal mode.
•
Menu
•
Voice on/Voice off
microphone so that the other person on the phone
cannot hear you, or switch it back on.
•
Mute keys/Send keys
or off.
•
Send DTMF
frequency) tones as a group. The DTMF tones are
the tones used in phones for tone dialling,
sounding when you press the number keys. This
option is helpful for entering a password or an
account number when you call an automated
system, like a banking service.
> to access the following options
: turn on the Speakerphone
: access the phone's menu functions.
: switch off the phone's
: switch the key tones on
To communicate with answering machines or
computerised telephone systems,
must be selected.
: send the DTMF (Dual tone multi-
Send keys
•
Contacts
•
End held call
hold.
•
Transfer
caller on hold. The two callers can talk to each
other, but you are disconnected from the call.
•
Join
on hold to a currently active call. You can include
up to 5 people on a multi-party call.
•
Select one
participants. You can then use the following
options:
Private
multi-party call participant. The other participants
can converse with each other. After the private
conversation, select
multi-party call.
Remove
participant.
: access the contact list.
: disconnect the call currently on
: transfer the currently active call to a
: set up a multi-party call by adding a caller
: select one of multi-party call
: have a private conversation with one
Join
to return to the
: disconnect one multi-party call
Menu functions
All menu options listed
Call log
Use this menu to view the calls you have dialled,
received, or missed, and the length of calls. You can
also check the cost of your calls, if your SIM card
supports this function.
T o access this menu, press <
select
Recent contacts
This menu displays the most recent calls dialled,
received, or missed.
Accessing a call record
1. Press [Left] or [Right] to move to another call
2. Press [Up] or [Down] to scroll through the call list.
Call log
type.
(Menu 1)
.
(Menu 1.1)
Menu
> in Idle mode and
25
Menu functions
3. Press [] to view the details of a call, or [ ] to
dial a number.
Using call record options
While viewing call details, press <
the following options:
•
Call
: edit the number and dial it.
•
Save contact
•
Send message
the selected number.
•
Delete
records.
Missed calls
This menu displays the most recent calls you did not
answer.
Dialled calls
This menu displays the most recent calls you have
dialled.
26
: save the number to Phonebook.
: send an SMS or MMS message to
: delete the selected call record or all
(Menu 1.2)
(Menu 1.3)
Options
> to access
Received calls
This menu displays the most recent calls you have
received.
Delete all
Use this menu to delete all of the records in each call
type.
1. Press [] to select the call types to be cleared.
2. Press <
3. Press <
Call time
This menu displays the time log for calls made and
received. The actual time invoiced by your service
provider will vary.
•
Last call time
•
Total dialled calls
the calls you have dialled.
•
Total received calls
the calls you have received.
(Menu 1.4)
(Menu 1.5)
Delete
>.
Yes
> to confirm the deletion.
(Menu 1.6)
: check the length of your last call.
: check the total length of all
: check the total length of all
To reset the call timers, press <
enter the phone password.
The password is preset to
change this password.
Call cost
This network feature displays the cost of calls. This
menu is available only if supported by your SIM card.
Note that this is not intended to be used for billing
purposes.
•
•
•
•
•
(Menu 1.7)
Last call cost
Total cost
If the total cost exceeds the maximum cost set in
Set max. cost
you can make another call.
Max. cost
Set max. cost
Reset counters
Set max. cost
for your calls.
: check the cost of your last call.
: check the total cost of all of your calls.
, you must reset the counter before
: check the maximum cost limit set in
.
: reset the cost counters.
: set the maximum cost authorised
00000000
p. 66
Reset
>. You need to
. You can
•
Price/Unit
when the cost of your calls is calculated.
Phonebook
You can store phone numbers on your SIM card and in
your phone’s memory. The SIM card and phone’s
memory are physically separate, but th ey are used as
a single entity called Phonebook.
T o access this menu, press <
select
Phonebook
Contact list
Use this menu to search for numbers in Phonebook.
: set the price per unit that is applied
(Menu 2)
Menu
.
(Menu 2.1)
> in Idle mode and
Finding an entry
1. Enter the first few le tters of the name that you
want to find.
2. Select the name from the list.
3. Scroll to a number and press [ ] to dial, or press
[] to edit contact information .
Menu functions
Phonebook
(Menu 2)
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