Defender SENTINEL 3 User manual

User Manual
Read me first
Please read this manual before operating your
mobile phone, and keep it for future reference.
The descriptions in this manual are based on the
default settings.
Images and screenshots used in this manual may
differ from the actual product.
Available features and additional services may
vary by device, software or service provider.
Our company is not liable for performance issues
caused by third-party applications.
DEFENDER 3
DEFENDER 3ECO

Contents
Assembling................................................................................................................................................ - 1 -
Unpack ............................................................................................................................................
...........................................................................................................................
- 1 -
Charge the battery - 1 -
Install the SIM card............................................................................................................................ - 1 -
Install the memory card..........................................................................................................................
................................................................................................
- 1 -
Getting started ........................................................................................................................................ - 2 -
Turn your device on, reboot and off - 2 -
Switch to flight mode ....................................................................................................................... - 2 -
Home screen .................................................................................................................................... - 2 -
Task bar ...........................................................................................................................................
.....................................................................................................................
...................................................................................................................
- 2 -
Notification panel .............................................................................................................................. - 3 -
Auto rotation ...................................................................................................................................- 3 -
Lock & unlock the screen - 3 -
Customize your device - 4 -
Manage applications ........................................................................................................................
........................................................................................................................
- 4 -
Security ........................................................................................................................................ - 4 -
Display size .....................................................................................................................................- 4 -
Data saver ......................................................................................................................................
.......................................................................................................................................
- 5 -
Quick Switch .................................................................................................................................. - 5 -
Reset mobile phone - 5 -
Communication - 5 -
Phone ............................................................................................................................................. - 5 -
Contacts .......................................................................................................................................... - 6 -
Messaging ........................................................................................................................................ - 8 -
Email ................................................................................................................................................ - 9 -
Web ...................................................................................................................................................... - 10 -
Browser ....................................................................................................................................... - 10 -
Entertainment......................................................................................................................................... - 10 -
Camera ......................................................................................................................................... - 10 -
Tools ..................................................................................................................................................... - 11 -
Calendar ....................................................................................................................................... - 11 -
Alarm .......................................................................................................................................... - 12 -
File Manager ........................................................................................................................... - 12 -
Sound Recorder ....................................................................................................................... - 12 -
Calculator ..................................................................................................................................... - 12 -
Connectivity ........................................................................................................................................ - 13 -
USB Connection ............................................................................................................................ - 13 -
Wi -Fi ............................................................................................................................ - 13 -
Bluetooth ..................................................................................................................................... - 13 -
Safety Precautions ...............................................................................................................................- 14 -
Care & Maintenance............................................................................................................................................. - 15 -
Warnings ....................................................................................................................................... - 15 -

Unpack
Check your product box for the following items.
Mobile phone
User manual
Charger
You can purchase additional accessories from your local
retailer.
Charge the battery
Before using the device for the first time, you must charge
the battery.
1．You can charge the device with a travel adapter or by
connecting the device to a PC with a USB cable.
2．Battery full icon is shown when finished if your device is
off.
Warning：Use only original batteries and chargers.
Unapproved chargers or cables can cause batteries to
explode or damage your device.
Install the SIM card
You need to insert a SIM card to use the Phone function.
To install the SIM card, follow the instructions below.
1.Make sure that the card’s gold contacts face into the
device.
2.Push the SIM card into the slot.
Install the memory card
To store additional multimedia files, you need insert a
memory card.
1.Insert a memory card with the gold contacts facing
downwards.
2.Push the memory card into the slot.
Notice: Our company uses approved industry standards
for memory cards, but some brands may not be fully
compatible with your device.
Assembling

Turn your device on, reboot and off
To turn on your device, press and hold the power key.
To reboot your device, press and hold the power key,
select “reboot”.
To turn off your device, press and hold the power key,
select “power off”.
Switch to flight mode
To use only your device’s non-network services, switch to
flight mode. Please follow the instructions below to turn on
flight mode:
Tap Settings Network & Internet Advanced
Airplane mode from application list to turn on flight mode.
Home screen
The home screen has multiple panels. Scroll left or right to
the panels on the home screen, you can view indicator
icons, widgets, shortcuts to applications, and other items.
Task bar
The task bar is shown at the top of the screen. It displays
commonly used option buttons, battery level indicator,
current time and other indicator icons.
Getting started
Indicator icons
Icon Icon
Open Wi-Fi available Flightmode
Wi-Fi connected New email
Signalstrength New text or message
BT connected Call in progress
Uploadingdata Missed call
Downloadingdata Call on hold
Connectedto PC Call
Alarm power level

Notification panel
Pull down to open the top of the notification bar to show
the 6 users commonly used shortcut switch, support click
on the switch, and long press to enter the corresponding
settings. If you continue to pull down the notification bar to
display all the quick switch, fast switch in the lower right
corner of page will display a "Edit" button, click to add /
delete custom shortcut switch, or drag the sort.
Tap icon to activate or deactivate wireless connection
features and other settings.
Wi-Fi：Activate or deactivate the Wi-Fi connection.
Bluetooth：Activate or deactivate the Bluetooth connec-
tion.
Notifications：Activate or deactivate the notification
feature.
Flashlight：Activate or deactivate the Flashlight.
Auto-rotate screen：Activate or deactivate the auto
rotation feature.
Battery Saver：Activate or deactivate the Battery Saver.
Brightness：Adjust the basic brightness level of the
display to lighter or darker.
Settings：Access Settings application.
Auto rotation
If you rotate the device while using some features, the
interface will automatically rotate as well. To prevent the
interface from rotating, open the notifications panel and
select Auto-rotate screen, then tap it to Off.
Lock & unlock the screen
Slide to unlock the screen.
To lock the screen manually, press Power key.
Music beingplayed Don't disturb
Auto-rotate
Flashlight

To customize your device according to your preferences,
tap Settings from application list or notification panel.
Manage applications
To manage the applications installed on your device, tap
Settings Apps& notifications.
1.To uninstall an application, select an item and tap
UNINSTALL, tap OK to confirm.
2.To stop or change the settings of an application, select
an item and tap the option you need.
Security
You can protect your device and data by setting screen
lock or encrypting your mobile phone.
Set a screen lock
To set a screen lock, tap Settings Security& location
→Screen lock from application list.
None：Deactivate the screen lock.
Swipe：Slide to unlock the screen.
Pattern：Draw a pattern to unlock. Follow the
instructions to draw your lock pattern. When prompted,
draw the pattern to unlock the screen.
PIN：Enter a numeric PIN to unlock. When prompt-
ed, enter the PIN to unlock the screen.
Password：Enter a passcode to unlock. When
prompted, enter the passcode to unlock the screen.
Screen time-out
Select Settings Display Advanced Sleep from
application list, you can set the time before the screen
times out and goes into lock mode. (you have not entered
any characters or made other selections).
Display size
1.You can set it Settings Display Advanced
Display size
Data saver
1.You can set it Settings Network & Internet Data
usage Data saver
Customize your device

1. You can switch applications by simply double clicking
the "Recents" button
Reset mobile phone
You can reset system and desktop settings to their original
values by the following steps:
1.Select Settings System Advanced Reset
options from application list.
2.Tap Erase all data (factory reset).
3.Tap RESET PHONE.
4.Tap ERASE EVERYTHING.
The device resets to the factory default settings automati-
cally.
Warning: Factory data reset will erase all data from your
device, including your Google account, system and
application data and settings, and downloaded applica-
tions.
Communication
Phone
To use calling functions, tap Phone from application list.
To make calls, you can use any of the three ways:
Enter numbers by using the virtual numeric keypad
on the screen
Make a call from call log.
Make a call from contacts.
Answer a call
To answer a call, swipe up the screen.
Decline or end a call
To decline a call, Swipe down the screen.
To end a call in progress, tap the red button.
Call settings
To change call settings, tap the option button at the lower
Right below the dial-up interface.
1.Ringtone & Vibrate
You can set different ringtones for incoming calls.
Settings Sound Select phone ringtone to open a list
of ringtones, select the desired ringtone, and then select
OK to confirm.
Quick Switch

Settings Sound Select Also vibrate for calls to
open the vibration function and the phone vibrates to notify
you when call is coming.
2.Dial pad touch tones
Settings sound Advanced Dial pad tones You
can open or close the Dial pad tones.
3.Voice mail
With the call divert network service, you can direct
incoming calls to your voice mailbox.
Tap Service to set your voice mail service provider.
Tap Setup to set your voice mail number.
Tap Sound to set the desired ringtone for your voice
mail.
Tick the box next to Vibrate and the mobile phone
vibrates to notify you of a voice mail.
4.Fixed Dialing Numbers
If FDN mode is activated, your device will restrict outgoing
calls, except for the numbers stored in the FDN list.
5.Quick responses
Quick response is a feature to reject the call with the
predefined messages.
Tap one of the pre-written messages to be displayed when
you want the call to be rejected, then tap OK.
6.Call forwarding
Call diverting is a network feature to send incoming calls to
another number that you specify.
7.Call waiting
If call waiting is activated, the network notifies you of a
new incoming call while you have a call in progress or you
can make a new call during a call.
Contacts
Tap Contacts from application list to access contacts.
All：List all your contacts saved in the device
memory and SIM cards.
Favorites：List the contacts that you have set as
favorites or the contacts that you have sent message to or
dialed.

Add new contact
1.Access Contact number.
2.Click
3.Enter necessary Contact name.
4.Click
Edit a contact
1.To edit a contact, select and click the contact you want to
change.
2.Click the edit icon at the upper right.
3.Change necessary fields.
4.Click
Import/Export contacts
1.Import from the SIM card
To copy the contacts from the SIM card, click the option
button at the upper left and then select Settings Import-
COPY CONTACTS FROM select USIM click NEXT
COPY CONTACTS TO select Phone contact click
NEXT, select contacts, and then click OK.
2.Import from MEMORY card
To import contact files (in .vcf format) from a memory card
to your device, tap the option button at the upper left and
then select Import COPY CONTACTS FROM select
MEMORY card click NEXT COPY CONTACTS TO
select Phone contact click NEXT, select one or multiple
or all vCard files to import, click OK, Choose vCard files,
and then click OK.
3.Export to MEMORY card
To export contacts from your device to a memory card, tap
the option button at the upper left and then select Export
Export contacts select Export to .vcf file select
MEMORY card and then click SAVE Export to
MEMORY card .
Search for contacts
1.Click at the upper right from contact list screen, enter
the desired information, then your device shows the result.
Messaging
Learn to create and send a text or multimedia message,
and view or manage messages that you have sent or
received.
View messages

1.Click Messaging from application list.
2.Click the message to view the detailed information.
Create and send SMS
1.Click enter NEW MESSAGE.
2.In Type name or number field, enter the recipient’s
mobile phone numbers manually. If you enter more than
one number, separate the numbers with a comma.
3.In Type test message field, enter the text of the
message.
4.Click Send to send the message.
Create and send MMS
Multimedia message can include pictures, sound and text.
1.Click enter NEW MESSAGE.
2.In Type name or number field, enter the recipient’s
mobile phone numbers manually. If you enter more than
one number, separate the numbers with a comma.
3.Click Attach to Select one of the items below.
Pictures: Insert image.
Capture picture: Capture new picture and insert the
picture.
Videos: Insert video.
Capture video: Capture new video clip and insert the
video clip.
Audio: Insert sound clip.
Record audio: Record sound clip and insert the
sound clip.
Slideshow: Add more than one slide.
Contact: Insert contacts
Calendar: Insert Calendar
4.In Type test message field, enter the text of the
message.
5.Click Send to send the Multimedia message.
Email
To receive and send mail, you must have a remote
mailbox service. This service may be offered by a service
provider. Your device is compliant with applicable internet
standards for POP3/IMAP/Exchange.
Before you can send or receive mail on your device, you
need to set up an email account and define the email
settings correctly. You can define more than 1 mailbox.

Set up your email
1.Click Email from application list.
2.You can use mailbox guide to set up your mailbox, tap
Next until it’s done.
3.If you need to add another email account, tap the option
button at the upper left Settings Add account, then
set up the email account with the mailbox guide.
When you are finished setting up the email account, the
email messages are downloaded to your device. If you
have created more than two accounts, you can switch
between email accounts. Select an account name at the
top left of the screen and select the one you want to
retrieve messages from.
Delete your email account
Click Settings from application list Users & accounts
Click on the email address Click the "REMOVE
ACCOUNT" button
Create and send email
1.Open Email application.
2.Click the write button.
3.In TO field, enter the recipient’s email addresses
manually and separate them with a comma. Add more
recipients by tapping Cc/Bcc.
4.Click to choose attachments that you want to insert.
5.Enter the subject and the text.
6.Click SEND button to send the email.
Web
Browser
Tap Browser from application list to access to the web.
Browser webpages
1.Select Browser to launch a specified homepage.
2.To access a specific webpage, select the URL input field,
enter the web address of the webpage, and select Go.
Set homepage
1.Tap the option button at the upper right.

2.Select Settings General Set homepage.
3.Enter the web address of the desired webpage.
Add bookmarks
While navigating a website, click select “Save to
bookmarks” to Save bookmarks and easily access it later.
View bookmarks and history
Tap the option button at the upper rightselect “Book-
marks/History” to open the bookmark list and the recent
history. click a bookmark or any entry to display the
webpage.
Customize browser
To make adjustments in your browser settings, click the
option button at the upper right, and then select
Settings.
Entertainment
Camera
With the camera function, you can capture photos and take
videos.
Capture a photo
1.Open the application list and select Camera.
2.Before taking a picture, you need to know some settings.
Place two fingers on the screen and spread them apart or
move fingers closer together to zoom in or zoom out.
3.Aim the lens at the subject and tap to take a photo.
The photo is saved automatically to the folder DCIM.
4.Select the image viewer icon at the lower right to view
the pictures.
Record a video
1.Open the application list and select Camera. Tap to
change to video mode.
Settings
Change to video mode.
take photos
Tap to switch between the front and rear camera lenses
Smile Mode
Change to panorama mode to take a landscape photo.
Icon Definition

2.Tap to start recording. The length of the video
recording is restricted by the available space on your
storage.
3.Tap to stop recording. The video is saved automati-
cally to the folder DCIM.
4.After recording videos, select the image viewer icon at
the lower right to view the recorded videos.
Tools
Calendar
With the Calendar feature, you can consult the calendar by
day, week, or month, create events, and set an alarm to
act as a reminder, if necessary.
To access the calendar, tap Calendar from application list.
1.To create an event, tap the option button at the upper
right and then select New event.
Fill in the fields, and set category, date, time & an alarm.
After you finish, select DONE.
2.You can view calendar in different views, Day, Week,
Month and All.
3.To delete an entry, tap the event to open it tap the
option button at the upper right and then select Delete
select OK.
Alarm
From application list, tap Clock, and then select .
1.Tap to add alarm.
Tap the numeric pad to set alarm time, and then select
AM or PM, when you are finished, tap OK.
Tap the time to change alarm time.
2.Set repeat cycle, alarm ringtone, Vibrate, and edit Label
message, tap OK after finished.
3.Tap “DISMISS” to shut down the alarm, and tap
“SNOOZE”, then the alarm will stop ringing for a few
minutes.
4.Tap the Arrow of one alarm and click to Delete this
alarm.

Many features of the device, such as images, videos,
documents, received attachments and downloaded files or
applications, use memory to store data. With File manager,
you can store and browse files and folders in your device, or
edit, move, copy files; you can send files to compatible
devices as well.
Note:
1.Some files formats are not supported depending on the
software of the device.
2.Some files may not play properly depending on how they
are encoded.
Sound Recorder
With Recorder, you can record a voice memo. From
application list, tap Sound Recorder.
1.To record a voice memo, tap .
2.To stop the recording, tap .
3.To listen to a voice recording that you just recorded, tap .
Calculator
With this feature, you can use the device as a calculator.
The calculator provides the basic arithmetic functions. Tap
the virtual numeric and calculation keys to perform a
calculation.
Connectivity
USB Connection
You can connect your device to a PC and use it as a
removable disk, which allows you access the file directory.
1.If you want to transfer files from or to device, insert a
memory card into the device.
2.With a USB cable, connect your device to a PC.
3.Open the notification panel, Use USB to select Transfer
files.
4.Open the folder to view files.
5.Copy files from the PC to the device memory or memory
card.
Wi-Fi
With Wi-Fi, you can connect to the internet or other network
devices anywhere an access point or wireless hotspot is
available.
File Manager

Activate the Wi-Fi feature
1.From application list, tap Settings Network & Internet,
turn on the Wi-Fi feature.
Find and connect to Wi-Fi
1.Once the Wi-Fi feature is activated, the device automatical-
ly search for available Wi-Fi connection.
2.Select a network.
3.Enter a password for the network (if necessary).
4.Select Connect.
Bluetooth
With Bluetooth, you can share music, pictures, video,
contacts with another phone. You can use Bluetooth headset
phone or listening to music.
Activate the Bluetooth feature
1.From application list, tap Settings Connected devices
Scan and connect to other Bluetooth devices
1.The device automatically search for other Bluetooth
devices.
2.Select a device and pair.
Safety Precautions
Read these simple guidelines before using your device. Not
following them may be dangerous or illegal.
Aircraft
Switch off in aircraft and follow any restrictions. Wireless
devices can cause interference in aircraft.
Vehicles
Never use your device while driving. Place it in a safe place.
Position your device within easy reach. Be able to access
your device without removing your eyes from the road.
Electronic devices
In some circumstances your device may cause interference
with other devices.
Potentially explosive environments
Switch off your device when in any area with a potentially
explosive atmosphere, and obey
Pair new device.

all signs and instructions. Sparks in such areas could
cause an explosion or fire resulting in bodily injury or even
death.
Pacemakers and other medical devices
Pacemaker manufacturers recommend that a minimum
separation of 8 inches be maintained between a wireless
device and a pacemaker to avoid potential interference
with the pacemaker.
Operation of any radio transmitting equipment, including
wireless phones may interference with the functionality of
inadequately protected medical devices. Consult a
physician or the manufacturer of the medical device to
determine if they are adequately shielded from external RF
energy or if you have any questions.
Switch off your device in health care facilities when any
regulations posted in these areas instruct you to do so.
Operating environment
When connecting to other device, read its user guide for
detailed safety instructions. Do not connect incompatible
products.
Do not place your device in the air bag deployment area.
Use the device only in its normal operating positions as
explained in the product documentation.
Always switch off your device when its use is prohibited or
when it may cause interference and danger.
Areas with posted regulations
Switch off your device when any regulations posted in
these areas instruct you to do so.
Care & Maintenance
Use only manufacturer-approved accessories. Use
general accessories may shorten the life of your device or
cause device to malfunction.
Keep your device dry. Humidity and all types of liquids
may damage device parts or electronic circuits.
Do not use or store the device in dusty, dirty areas.
Do not store the device in hot or cold areas.
Do not store your device near magnetic fields.
Do not store your device with such metal objects as
coins, keys and necklace.

Warnings
FCC STATEMENT:
This device complies with Part 15 of the FCC Rules.
Operation is subject
to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired operation.
Warning: Changes or modifications not expressly
approved by the party
responsible for compliance could void the user's authority
to operate the
equipment.
NOTE: This equipment has been tested and found to
comply with the
limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules.
These limits are designed to provide reasonable protection
against
harmful interference in a residential installation. This
equipment
generates uses and can radiate radio frequency energy
and, if not
installed and used in accordance with the instructions, may
cause harmful
interference to radio communications. However, there is no
guarantee
that interference will not occur in a particular installation. If
this equipment
does cause harmful interference to radio or television
reception, which
can be determined by turning the equipment off and on,
the user is
encouraged to try to correct the interference by one or
more of the
following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and
Do not drop your device or cause impacts to your device.

receiver.
Connect the equipment into an outlet on a circuit different
from that to
which the receiver is connected.
Consult the dealer or an experienced radio/TV technician
for help.
RF warning statement:
The device has been evaluated to meet general RF
exposure
requirement. The device can be used in portable exposure
condition
without restriction.