![background image](http://html.mh-extra.com/html/samsung/sgh-t439-series/sgh-t439-series_user-manual_1191132170.webp)
170
Caller ID
125
Network Selection
124
Number mode
41
O
On/off switch, phone
12
Options
During a Call
27
Making a New call while in a
call
28
Putting a Call on Hold
28
Organizer
99
Calculator
105
Calendar
101
Stopwatch
109
Synchronization
107
Timer
109
Tip calculator
106
Unit Conversion
109
World time
106
P
Phone
icons
18
switching on/off
12
Phone Keys
15
Phone lock
126
Phone Safety
153
Phone Settings
112
Phonebook
Searching for a Number
29
Photos
Accessing pictures
137
Deleting pictures
138
Picture Message
47
PIN
change
126
check
125
R
Recording Video
134
Reset settings
128
Responsible Listening
151
Ring tone
119
Ring Volume
119
S
SAR
142
Security
125
Settings
110
Bluetooth
116
Display
113
Network Services
123
Phone
112
Reset
128
Security
125
Sound
118
Synchronization
120
Time & Date
110
Shortcuts
33
Silent mode
120
SIM card
installing
7
Slide tone
120
Soft Keys
26
Sound Settings
Alert type
119
Extra tones
120
Flip tone
120
HiFi Ringers
118
Incoming call
118
Keypad tone
119
MegaTones
118
Power on/off tone
120
Ring tone
119
Ring volume
119
Silent mode
120