Sigma X-treme PQ28 User manual

Smartphone X-treme PQ28
User manual

Dear Client! Thank you for purchasing Sigma mobile
product!
Please read this manual before using the device to ensure safe
and proper use and prevent it from damages.
Software, design features and content of manual may be changed
to improve the product without a prior notice.
Manufactures and distributors are not liable for case damages as
well as the damages caused due to incorrect or improper
exploitation.
WARNING!
This phone is water- and dust-resist under standard IP68.
This means water resistance (device was tested according
to the standard IP68 without impurities in pure water) and
protection from dust. This protection is guaranteed provided
tightly closed caps that cover the SIM card slot and microUSB
connectors and Audio
The standard does not provide shock resistance. Telephone,
with additional strong seals and fastenings have higher rates of
vibrating stability but requires careful use.
Be careful with phone plugs and follow general safety.
If the moisture in your phone is not due to factory defects
and mechanical damage or loose plugs closed - warranty of the
device will not be done.

Table of contents
Safety Information ...............................................................6
Introduction ........................................................................11
Insertion and removal of SIM Card .............................11
Insertion and removal of Memory Card ......................12
Remove and install the battery ....................................12
Basic Operation ..................................................................13
Power On/Off the Phone ...............................................13
Screen locking and unlocking.......................................13
Touch methods ...............................................................14
Query of IMEI number ..................................................15
Main Keys ........................................................................16
Screen sleep and wake-up............................................16
Main screen.....................................................................17
WLAN setting ..................................................................17
Phone Operating Status ................................................18
Management notice .......................................................19
Dial .......................................................................................19
Dial pad:..........................................................................19
End a call.........................................................................20
Answer or Refuse to answer a call ..............................20
Refuse via message .......................................................21
Hold a call .......................................................................21
Mute during call..............................................................21
Switching between current calls ..................................21
Call options .....................................................................21
Call records .....................................................................22
Make an emergency phone call ...................................22
Contacts ..............................................................................22
New contact ....................................................................23
Backup Contacts.............................................................23
Edit or delete contact ....................................................23
Add contact into list of favorites ..................................23

Delete favorite contact ..................................................23
Use contact group function ..........................................24
Message...............................................................................25
SMS ..................................................................................25
MMS .................................................................................25
View message details ....................................................26
Transfer Message ...........................................................26
Delete Message ..............................................................26
Email ....................................................................................27
Set your email account..................................................27
Read email ......................................................................28
Edit and send email .......................................................28
Add signature to email ..................................................29
Add email account .........................................................29
Edit email account..........................................................29
Chrome Browser.................................................................30
Music....................................................................................32
Copy audio document to your phone..........................32
Open the music library ..................................................32
Open music document ..................................................33
Use the playlist ...............................................................33
Play music .......................................................................34
Hide, activate and turn off the music player..............35
Video....................................................................................36
View video.......................................................................36
Play video ........................................................................36
Share video .....................................................................36
Camera ................................................................................36
Take picture ....................................................................37
Record video ...................................................................38
Set Camera Shooting Mode ..........................................40
Picture Library ....................................................................41
View picture album ........................................................41
Process pictures .............................................................41
Other Applications..............................................................43

Clock ................................................................................43
Calendar ..........................................................................43
Calculator ........................................................................44
Document Management ................................................44
Stop watch ......................................................................44
Sound recorder...............................................................44
Settings................................................................................46
WLAN and internet.........................................................46
Bluetooth.........................................................................47
SIM...................................................................................47
Data flow consumption .................................................47
More.................................................................................47
Device ..............................................................................48
Personal...........................................................................49
Account............................................................................51
Language and input method ........................................51
Backup and reset ...........................................................51
Intelligent Assistance.....................................................51
System .............................................................................52
Print: ................................................................................52
Developer options ..........................................................53
About phone ...................................................................53
System update....................................................................53
Play Store ............................................................................54
Common Problems & Solutions........................................57

Safety Information
Safety Specifications and Instructions for Battery of
Mobile Phone
Recommended Use Considerations
·Before the use of battery, please carefully read this operation
instruction and the battery surface mark.
·During use, the battery shall be away from the heat source
and the high pressure, and the children shall be prevented from
playing batteries. Never knock the battery. This battery shall be only
charged with the original match able charger.
·Do not enable the battery anode and cathode short-circuited.
Do not assemble or disassemble the battery by yourself. Do not put
the battery in the damp place to avoid danger.
·Store the battery in good condition if it is not used for a long
time. Make the batter in the half-charge state, not fully charged and
also not fully discharged.
Danger warning
·Forbid to assemble and disassemble the battery
The protection mechanism and the protection circuit are
arranged in the circuit to avoid danger. The improper assembly and
disassembly will damage the protection function, which will cause
battery heating, smoking, distortion or burning.
·Forbid to cause the battery to be short-circuited
Do not connect the anode with the cathode through the metal.
Do not store and move the batter and the metal together. If the
battery is short-circuited, the ultrahigh circuit will flow through the
battery to damage the battery and result in battery heating, smoking,
distortion or burning.
·Avoid using the battery near the power supply
Do not use the battery near the fire source and the oven or in
the environment exceeding 80℃. Overheat will cause short circuit
inside the battery to result in battery heating, smoking, distortion or
burning.

·Use the special charger and correctly charge
The use of non-special charger to charge the battery will cause
danger. Charging in the abnormal condition will cause the loss of
the function of the protection circuit inside the battery and abnormal
chemical reaction, and the battery may be heated, smoke, and be
distorted or burnt.
·Forbid to damage the battery
Forbid to penetrate into the battery with the metal, beat or
knock the battery or damage the battery by other means, otherwise
it will may cause battery heating, smoking, distortion or burning,
even result in danger.
·Do not use the battery for other devices
The improper service conditions will damage the battery
performance and reduce the service life, even cause battery heating,
smoking, distortion or burning.
Warnings
·Do not place the battery on the charger for a long time
If the charger still charges the battery beyond the normal
charging time, it should stop charging. Abnormal charging may
cause battery heating, smoking, distortion or burning.
·Do not place the charger into the microwave oven or other
pressure vessels.
Transient heating or structural damage will cause battery
heating, smoking, distortion or burning.
·The leaky battery should be kept away from fire
If the leaky battery is found (or there is peculiar smell), it shall
be kept away from fire, otherwise the leaked electrolyte will catch
fire, even cause other dangers.
·Headphones should not be too loud
Be careful to use headphones, too loud may lead to
hearing loss.
Precautions
·Do not use the battery under strong sunlight
Do not use the battery under strong sunlight for fear of heating,
distortion and smoking. At least avoid reducing the battery

performance and the service life.
·Anti-static
The protection circuit installed in the battery can avoid various
unforeseen circumstances. Do not use the battery in the high-voltage
electrostatic site as the static is easy to damage the protection board
to cause the abnormal operations of the battery such as heating,
smoking, distortion or burning.
·User manual
Before using the battery, please carefully read the user
manual and frequently read it as required.
·Charging mode
Please use the special charger and the recommended
charging mode. Charge the battery in the recommended
environmental condition.
·Equipment working temperature
Minus 20 degrees Celsius to 55 degrees Celsius.
Use and maintenance of mobile phone
This mobile phone is a product designed by the good
technology. Please carefully use it. The following suggestions will
help the users better use and maintain the mobile phone.
·Place the mobile phone and all parts at the place that the
children cannot touch.
·Do not store the mobile phone at the high temperature place.
High temperature may shorten the service life of the electric device,
damage the battery, distort or melt some plastic parts.
·Do not store the mobile phone at the low temperature place.
When the battery is move to the normal temperature place from the
low temperature place, the moisture may be generated inside the
battery to cause the damage of circuit board.
·Never try to disassemble the mobile phone. The improper
handling of unprofessional personnel may cause the damage of this
device.
·Never use the irritant chemicals, clean solvent or corrosive
detergent to clean the mobile phone. To cleaning the mobile phone,
please scrub the mobile phone with the duster cloth dipped with

mild suds.
·Please use the original fittings recommended by the
manufacturer. The unauthorized fittings may damage the mobile
phone.
·If the mobile phone is moistened accidentally, please turn off
and remove the battery, determine that the mobile phone has been
dried, and then use the mobile phone.
·Never make the metal parts (specially configured charger
interface and data line interface) in contact with the charger
interface of the mobile phone for fear of short circuit.
Import Instructions
When using this mobile phone, please exactly
follow the following precautions to avoid possible
disasters or legal penalties.
Pay attention to flight safety
Never use the mobile phone on the airplane. The navigation
system on the airplane may be interfered by the mobile phone. Many
countries regulate that the mobile phone shall be prohibited to be
used on the airplane.
Pay attention to the surrounding environmental
safety
Never use the mobile phone in the gasoline station. In addition,
never use the mobile phone in the oil storage plant, the chemical
plant and when there are flammable or explosive objects around.
Pay attention to the traffic safety
Be careful when driving the vehicle, and avoid calling and
driving at the same time as far as possible.
Pay attention to radiated interference

When using the mobile phone, keep the mobile phone away
from the article or instrument susceptible to interference as far as
possible. We suggest that you should be 2.5 CM away from the
antenna when using the mobile phone.
Pay attention to the interference with the medical facilities
Some medical instruments may be interfered when the mobile
phone is used. Most of hospitals prohibit you to use the mobile
phone in the hospitals.
Pay attention to the storage environment
Keep the mobile phone away from the magnetic equipment
such as magnetic card and floppy disk. The radiation of mobile
phone will erase the information stored on the magnetic equipment.
Warnings
There is no part for the user to self-repair in the mobile phone.
If you doubt that the mobile phone is damaged, please rapidly send
it to the designated service and maintenance center to be maintained
by the qualified technical personnel. Never disassemble the mobile
phone by yourself, otherwise you may suffer from electric shock or
other injuries.
Never let the children to use the mobile phone or its fittings.
The improper operation of the children may damage the mobile
phone or its fittings or cause injuries to yourself or others. At the
same time, the removable parts of the mobile phone such as SIM
card, memory card, etc. may be swallowed by the children to cause
the danger.
When using the mobile phone, keep the mobile phone away
from high temperature and avoid solarization. Please keep it in the
dry and cool place.
Attentions:
1. Before waterproof test, tightly close each position of the battery
cover so as to avoid water leakage.
2. As the USB seat, the earphone seat and the charger seat of the
machine belong to waterproof devices, the machine needs to be
dried and placed for a period of time after waterproof test and only