Sigma Comfort 50 Mini 4 User manual

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Comfort 50 Mini 4
Cellphone
User manual

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This guide contains description of main functions of
a mobile phone.
The content of this manual is correct. Description of
some features may vary due to changes in software or
provider services change. The Company reserves the
right to change specifications without notice.
This phone is designed for mobile use, make or
receive calls, send SMS messages, access the Internet
(if any), and others. Turn off the phone if you are near
chemical plants, gas stations and other places where
explosives may be stored.
Keep phone out of reach of children.
Turn off the phone while on board an aircraft, and do
not use the phone during the flight.
Turn off the phone in view of medical devices.
The warranty does not cover non-original parts.
Never attempt to disassemble the phone by yourself.
If necessary, contact the service center.
Do not charge the phone without the battery.
Charge your phone far from flammable and explosive
materials.

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To avoid demagnetization, keep the phone away from
credit cards.
Avoid pouring fluids over the phone. If a liquid gets
over the phone, you have to remove battery and
contact a service center.
Do not use in areas with extremely high or low
temperatures. Never leave the phone exposed to
direct sunlight, high humidity or dust.
Do not wash the phone, do not use detergents.
Wireless phones are sensitive to interference. It may
affect device stability.
Use only recommended accessories and batteries.
Use the device only as recommended.
Do not dispose battery on fire!
Utilize battery according tolawrequirements to avoid
persecution.
Obtain information on safe disposal of lithium-ion
batteries at your nearest service center.
Note: Device manufacturer reserves the right to
supply batteries other, than specified.

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Your phone
Phone overview
1
Receiver

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2
Shortcuts keys: FM radio. SMS, Audio
player, Alarm
3
Left Soft Key (LCK)
4
Dial key
5
Navigation keys
6
Central key
7
Right Soft Key (RSK)
8
End Key
9
Camera
10
SOS key
11
Speaker
12
microUSB port
13
Audio port
The phone has many powerful function and
good appearance.
Functions of Keys
Dial key
Press it to originate a call by entering the

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called number or selecting a contact from the
phonebook; or press it to receive an incoming
call; or press it in standby state to show the
latest call records.
End key
Press it to end a call being dialed or end an
ongoing call; or press it to exit the menu and
return to the standby state. You can hold it for
two or three seconds can power on/off the
mobile phone
Direction key
Press them to scroll the options when
browsing a function list. In edit state, press
direction keys to navigate.
Left and right soft key
The bottom line on the screen displays the
functions of the Left and Right soft key.
Central key
Press it to confirm a selection.
SOS key
Press 3 sec can call the SOS number.

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Number keys, * key and # key
Press number keys 0 through 9 to input or edit
state to input numbers and characters;
In idle screen, you can press and hold * to
lock/unlock keypad.
Press two times the key * to input "+" in
standby interface. When the symbol "+"
appears,
Getting started
Installing the SIM Cards and the Battery
A SIM card carries useful information,
including your mobile phone number, PIN
(Personal Identification Number), PIN2, PUK
(PIN Unlocking Key), PUK2 (PIN2 Unlocking
Key), IMSI (International Mobile Subscriber
Identity), network information, contacts data,
and short messages data.
Note:
After powering off your mobile phone, wait for

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a few seconds before removing or inserting a
SIM card.
Exercise caution when operatinga SIM card, as
friction or bending will damage the SIM card.
Properly keep the mobile phone and its fittings
such as the SIM cards beyond children's reach.
Installation
Hold the End
key for a while
to power off the
mobile phone.
Take the back
cover above the battery away.
Take the battery
away.
Insert the SIM
card into the
SIM card slot
lightly with the
corner cutting of the card aligning to the notch

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of the slot and the gold
plate of the card facing
download, till the SIM
card cannot be further
pushed in.
Insert microSD card in
microSD card slot if it
necessary
With the metallic
contacts of the battery
facing the metallic
contacts in the battery
slot, press the battery
down until it locks into
place. To install the T-
Flash card, open its
latch, place its indented
side downward, insert the card into the card slot,
and then close the latch
Using code

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The mobile phone and the SIM cards support sorts of
passwords, in order to prevent the phone and the SIM
cards from being misused. When you are prompted to
input any of the codes mentioned below, just input the
correct code and then press the OK key. If you input
a wrong code, clear it and then input the correct code.
Phone lock code
The phone lock code may be set to prevent your
mobile phone from being misused. In general, this
code is provided along with the mobile phone by the
manufacturer. The initial phone lock code is set to
1122 by the manufacturer. If the phone lock code is
set, you need to input the phone lock code when
powering on the mobile phone.
PIN
The PIN (Personal identification number, 4 to 8 digits)
code prevents your SIM card from being used by
unauthorized people. In general, the PIN is supplied
with SIM card by the network operator. If PIN check
is enabled, you need to input the PIN each time when
you power on your mobile phone. The SIM card will

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be locked if you input wrong PIN code for three times.
Unlocking methods as follows:
-Input the correct PUK according to the screen tips to
unlock the SIM card.
-Then input the new PIN and press the OK key.
-Input the new PIN again and then press the OK key.
-If the input PUK is correct, the SIM card will be
unlocked and the PIN will be reset.
Note: The SIM card will be locked if you input wrong
PIN code for three times. To unlock the SIM card, you
need to input the PUK. In general, the PUK can be
obtained from the network operator.
PUK
The PUK code (Personal Unlocking Key) is required
to change ablocked PIN. It is suppliedwith SIM card.
If not, contact your network operator. If you input
wrong PUK code for 10 times, SIM card will be
invalid. Please contact the network operator to
replace the SIM card.
Barring code
A barring code is required for setting the call barring

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function. You can obtain this code from the network
operator to set the call barring function.
Charging the Battery
The lithium battery delivered with the mobile phone
can be put into use immediately after being unpacked.
Battery level indication:
Your mobile phone can monitor and display the
battery state.
Normally the remaining energy of the battery is
indicated by the battery level icon at the upper right
corner of the display screen.
When the battery energy is insufficient, the mobile
phone prompts "Battery low". If you have set an alert
tone, an alert tone will be given off when the battery
level is too low.
A charging animation appears when the battery is
being charged. When the charging is complete, the
animation disappears.
Using a travel adapter:
Install the battery into the mobile phone before

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charging the battery.
Connect the adapter of the travel charger with the
charging slot in the mobile phone. Ensure that the
adapter is fully inserted.
Insert the plug of the travel charger to an appropriate
power outlet.
During the charging, the battery level grid in the
battery icon keep flickering till the battery is fully
charged.
It is normal when the battery becomes hot during the
charging period.
The battery icon does no longer flicker when the
charging process ends.
Note:
Ensure that the plug of the charger, the plug of the
earphone, and the plug of the USB cable are inserted
in the right direction. Inserting them in a wrong
direction may cause charging failure or other
problems.
Before the charging, ensure that the standard voltage
and frequency of the local mains supply match the

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rated voltage and power of the travel charger.
Using the Battery
The performance of a battery is subject to multiple
factors: radio network configuration, signal strength,
ambient temperature, chosen functions or settings,
phone fittings, and the voice, data or other application
mode you choose to use.
To guarantee the optimal performance of your battery,
please stick to the following rules:
Use only the battery provided by the vendor.
Otherwise, damages or even injuries could be caused
during the charging.
Power off the mobile phone before removing the
battery.
The charging process lasts a longer time for a new
battery or a battery not in use for long. If the battery
voltage is too low to enable the mobile phone to be
powered on, charge the battery for a longer time. In
this case, the battery icon does not flicker until a long
time after the battery enters the charge status.
During the charging, ensure the battery is placed in a

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room temperature environment or in an environment
close to room temperature.
Immediately stop using the battery if the battery
produces odor, overheat, cracks, distort or has other
damage, or if the electrolyte leaks.
The battery wears out with use. A longer charging
time is required as the battery is put into use for a long
time. If the total conversation duration decreases but
the charging time increases even though the battery is
properly charged, purchase a standard battery from
the OEM or use a battery approved by our company.
Using any poor-quality fittings will cause harm to
your mobile phone or even incur danger!
Note: To guarantee your personal safety and protect
the environment, do not litter the battery! Return the
old battery to the mobile phone manufacturer or place
it in specified battery reclamation areas. Do not litter
any battery with other rubbish.
Warning: Short-circuits of the battery may cause
explosion, fire, personal injury or other severe
consequences!

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Powering On/Off the Mobile Phone
Hold the End key for a while to power on the mobile
phone. A power-on animation appears on the display
screen.
Input the phone lock code and press the OK key if the
mobile phone prompts you to input the phone lock
code. The original code is 1122.
Input the PIN and press the OK key if the mobile
phone prompts you to input the PIN. The PIN is
provided by the network operator for new opening
SIM card.
Enter the standby interface.
To power off the mobile phone, hold the End key for
a while.
Linking to the Network
After the SIM card and the mobile phone are
successfully unlocked, the mobile phone
automatically searches for an available network.
After finding a network, the mobile phone enters the
standby state. When the mobile phone is registered in

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the network, the name of the network operator is
displayed on the screen. Then you can dial or receive
a call.
Dialing Calls
In the standby interface, press Dial-pad enter
virtual dial pad, press number keys to input the
area code and the telephone number, and then
press the dial key to dial a call.
Using the Headset
It would enter headset mode automatically
when you insert headset to the slot. Make sure
of inserting it at the bottom of the slot, or you
can’t use it normally.
Using the Menus
Phonebook
The mobile phone can store up to 100 telephone
numbers. The telephone numbers that a SIM
card can store depends on the storage capacity

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of the SIM card. The telephone numbers stored
in the mobile phone and in the SIM cards form
a phonebook. The phonebook search function
enables you to view contacts. You can search a
contact as required from the phonebook. Press
the Up and Down direction keys to browse the
contacts and select contact.
Messages
If the short message memory is full, a blinking
message icon appears on the top of the screen.
To normally receive short messages, you need
to delete some of the existing short messages.
If the destination user has received the short
message you sent and the short message
delivery report function is activated, the phone
will give off a message report alert tone.
Write message
Access this menu to create a text message.
Inbox
Received Messages are listed in this menu.

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Outbox
The messages which are sent failed are stored
in the Outbox.
Drafts
Draft messages are listed in this menu.
Templates
You can create pre-defined messages in this
interface.
Call logs
All calls
All calls are in the list. suchas missed calls, dial
calls, received calls, rejected calls and so on.
Missed Calls
You can view a list of the latest missed calls.
Note: When the mobile phone indicates that
some calls are missed, you can select Read to
enter the missed calls list. Navigate to a missed
call and then press the Dial key to dial the
number that originated that call.
Dialed Calls
You can view the latest dialed calls. Choose

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dialed calls and then select a dialed call to
delete, save, dial, or edit (or send a short
message to it).
Received Calls
You can view the latest received calls. Choose
received calls and then select a received call to
delete, save, dial, or edit (or send a short
message to it).
Delete all
You can delete all the latest call records.
Multimedia
Caution: It is desirable to use the following functions in
the menu "Multimedia" under the condition of the installed
memory card.
Camera
The phone is provided with a camera, which
supports the photographing functions. In the
capture interface, roll the phone to align the
camera to the picture and then press Central key