SONIM and the Sonim logo are trademarks of Sonim
Technologies, Inc. Other company and product names
may be trademarks or registered trademarks of the
respective owners with whom they are associated.
Disposal of Old Electrical and Electronic Equipment
The symbol of the crossed-out wheeled
bin indicates that within the countries in
the European Union, this product, and any
enhancements marked with this symbol,
can not be disposed as unsorted waste
but must be taken to separate collection at
their end- of-life.
Disposal of Battery
Please check local regulations for disposal
of batteries. The battery should never be
placed in municipal waste. Use a battery
disposal facility if available.
Guideline for Headphone and Earphone
To prevent possible hearing damage,
please do not listen at high volume levels
for long periods.
2
General Information——————5
RF Exposure Information (SAR)
General Information——————6
Phone Models Covered
Network Services
Sonim Support Information
Use the Guide Effectively
Your Safety Guidelines——————8
Battery Performance
Battery Replacement
Avoid Short Circuit
Avoid High Temperatures
Battery Disposal
Personal Medical Devices
Child Safety
Emergency Calls
SAR Information
Getting Started——————13
Getting Started
Contents
Battery Usage
Inserting the Battery
Removing the Battery
Charging the Battery
Phone Activation
Switching On
Home Screen
Key Shortcuts in Home Screen
Keypad Functions
Your Sonim Enduro Phone——————23
Your Sonim Enduro Phone
Home Screen Indicators
Main Menu
Open Flip State
Close Flip State
Display Indicators
Managing Your Phone——————27
Manage Your Phone
Display Settings
Tone settings
Date and Time
Shortcuts
Call Settings
Phone Settings
Connecting to Hearing Aid
Bluetooth Settings
Security
Network Services
Restore Factory Settings
Phone Details
Managing Calls——————32
Managing Calls
Dial a Number
Dial an International Number
Dial a Number via Contacts
Dial a Number via the Call History
Managing Call History
Call Timers
Any key Answer
Auto Redial
Speed Dial
Auto-Service Update
International Prex
Data Calls
Call Summary
In-Call Timer
Message Response
Receive a Call
Managing Contacts——————35
Managing Contacts
Add a New Contact
View the Contact Details
3
Sending a Message from Contacts
Dialing a Number from Contacts
Edit the Contact Details
Delete Contact
Sending Contact
Selecting Multiple Contacts
Caller Groups
Phonebook Settings
Delete all Contacts
Searching Contacts
Sent Messages
Deleting Messages
Voice Mail
Text Input Mode
Proles
Managing Your Files——————47
Managing Your Files
Calendar——————50
Calendar
Tools——————51
Tools
Alarm
Notes
To-do List
Calculator
Stopwatch
Unit Converter
Applications——————53
WAP Browser——————54
Browser
Managing Connectivity——————55
Managing Connectivity
Sending Data via Bluetooth
Receiving Data via Bluetooth
USB Function
Camera——————58
Camera
Camera Options
Entertainment——————59
Entertainment
Voice Recorder
Video Recorder
FM Radio
Micro SD Card——————62
Micro SD (Secure Digital) Card
Inserting Micro SD Card into the Phone
PC- TOOLS——————63
PC-Tools
Using PC-Tools with Enduro Phone
End User License Agreement——————64
Limited 2 Year Warranty
Our Warranty
What We Will Do
Phone Care
Conditions
Accessories
FCC Statement
Index——————68
4
The antenna(s) used for this transmitter must not be
co-located or operating in conjunction with any other
antenna or transmitter.
The country code selection is for non-US model
only and is not available to all US model. Per
FCC regulation, all WiFi product marketed in US
must be xed to US operation channels only.
RF Exposure Information (SAR)
This device meets the government’s requirements
for exposure to radio waves. This device is designed
and manufactured not to exceed the emission limits
for exposure to radio frequency (RF) energy set by
the Federal Communications Commission of the U.S.
Government.
The exposure standard for wireless device employs a
unit of measurement known as the Specic Absorption
Rate, or SAR. The SAR limit set by the FCC is 1.6W/
kg. *Tests for SAR are conducted using standard
operating positions accepted by the FCC with the device
transmitting at its highest certied power level in all
General Information
tested frequency bands. Although the SAR is determined
at the highest certied power level, the actual SAR level
of the device while operating can be well below the
maximum value. This is because the device is designed
to operate at multiple power levels so as to use only
the poser required to reach the network. In general, the
closer you are to a wireless base station antenna, the
lower the power output.
The highest SAR value for the model device as reported
to the FCC when tested for use at the ear is 0.38 W/kg and when worn on the body, as described in this
user guide, is 0.56 W/kg (Body-worn measurements
differ among device models, depending upon available
accessories and FCC requirements.)
While there may be differences between the SAR levels of
various devices and at various positions, they all meet the
government requirement.
The FCC has granted an Equipment Authorization for
this model device with all reported SAR levels evaluated
as in compliance with the FCC RF exposure guidelines.
SAR information on this model device is on le with the
FCC and can be found under the Display Grant section
of www.fcc.gov/oet/ea/fccid after searching on FCC ID:WYPC21F007AC.
For body worn operation, this device has been tested
and meets the FCC RF exposure guidelines for use with
an accessory that contains no metal and be positioned
a minimum of 1.5 cm from the body. Use of other
accessories may not ensure compliance with FCC RF
exposure guidelines. If you do not use a body-worn
accessory and are not holding the device at the ear,
position the handset a minimum of 20 cm from your body
when the device is switched on.
5
Congratulations on the purchase of a Sonim Enduro
mobile phone. This phone is a CDMA enabled handset
with dual-band capabilities and has an intuitive, featurerich user interface, which allows you to make the best
use of the offered functions.
Phone Models Covered
This user guide covers Sonim ENDURO phone model:
Sonim XP4400-A-R1. This model utilizes the following RF
bands: CDMA 850/1900 MHz bands.
The model name can be read on the phone label under
the battery.
Network Services
These are additional services that you can avail through
your network service provider. To make the best of these
services, you must subscribe to them through your
service provider and obtain instructions for their use from
your service provider.
General Information
Sonim Support Information
For additional product and support information,
visit www.sonimtech.com.
Use the Guide Effectively
Familiarize yourself with the terminology and symbols
used in the guide to help you use your phone effectively.
HOME SCREENThis is the screen displayed when
PRESSMeans to press and release a key
SELECTMeans to either press the Left
PRESS & HOLDMeans to press and hold a key
MENU OPTIONSPress Options to display menu
SELECT MENUMeans to press the Middle
A MENU ITEM
SUFFIXED WITH
THREE DOTS (…)
the phone is in idle condition.
immediately.
or Right Selection Key to apply
the command indicated at the
bottom of the screen. The Center
navigation key can also be used
to select highlighted options.
for 2 seconds before releasing
the key. This action is typically
used when trying to switch on/off
the phone or when using shortcut
keys to access specic functions.
options on the screen. The
selection keys are used to
accomplish the indicated option.
Selection Key to select the
Menu option or press the Menu
key (centre) for the same result.
Means more options are available
but only one has been mentioned
in the guide.
Signies a Note.
6
Options Commonly Used across Menu Items
The following are common actions used across various
menu items:
BACKDisplays the previous screen. Use the
CLEARDeletes data character by character.
OKConrms an action. Use the Middle
CLEAR KEYUse this key to delete the text.
BACK KEYUse this key to display the previous
Right Selection Key to perform this
function.
Use the Right Selection Key to perform
this function.
Selection Key to perform this function.
screen.
General Information
7
Please read and understand the following safety guidelines before you use the phone. These guidelines provide details
to enable you to operate your phone safely and conform to any legal requirements regarding the use of cellular phones.
Do not to use the phone at a refuelling point. Observe restrictions when using radio equipment at
fuel depots, chemical plants or where blasting operations are in progress.
Electrical interference may obstruct the use of your phone. Observe restrictions in hospitals and
near medical equipment.
Switch off your cellular phone when in an aircraft. Wireless phones can cause interference or danger
to an aircraft. In an aircraft, the phone can be used in flight mode.
Do not expose the battery to high temperatures (in excess of 60°C).
Adhere to road safety laws. Do not hold/use a phone while you are driving; find a safe place to stop
Your Safety Guidelines
first. Do not speak into a hands-free microphone while you are driving.
Avoid using the phone in close proximity to personal medical devices, such as pacemakers and
hearing aids.
Use only Sonim Enduro approved charging equipment to charge your phone and avoid damage to
your phone.
The symbol of the crossed-out wheeled bin indicates that this product, and any enhancements
marked with this symbol, can not be disposed as unsorted waste but must be taken to separate
collection at their end-of-life.
8
Your Safety Guidelines
Ensure that only qualied personnel install or repair your phone.
The Sonim Enduro is water-proof and can be submerged to 2 metres for 30 minutes.
• Ensure to properly close the rubber cover of the charging connector and audio connector, to
avoid deposits of water drops on these connectors, when the phone is immersed in water.
• Water droplets may condense under the display cover if the phone is immersed in water
with signicant drop in temperature. This does not indicate water leakage. The droplets will
disappear at room temperature.
The Sonim Enduro is dust-resistant, rugged and shock-resistant. However, it is not dust-proof
or unbreakable if subjected to overwhelming impact. For best results and long product life, one
should protect the Sonim Enduro from salt water, dust and strong impacts.
Make back-up copies of important information stored in your phone or maintain a written record.
9
Battery Performance
A rechargeable battery powers your device. Use the
battery only for its intended purpose. Never use any
charger or battery that is damaged. If the battery is
completely discharged, it may take a few minutes before
the charging indicator appears on the display or before
any calls can be made. The full performance of a new
battery is achieved only after three to four complete
charge and discharge cycles. The battery can be charged
and discharged hundreds of times but it will eventually
wear out. Unplug the charger from the electrical plug and
the device when not in use. Ensure that you do not leave
the fully charged battery connected to a charger. If left
unused, a fully charged battery will lose its charge over
time.
Battery Replacement
When the talk and standby times are noticeably shorter
than normal, replace the battery with an original Sonim
battery. If a replacement battery is being used for the rst
time or if the battery has not been used for a prolonged
Your Safety Guidelines
period, it may be necessary to connect the charger and
then disconnect and reconnect it to begin charging the
battery.
Avoid Short Circuit
Do not short-circuit the battery. An accidental shortcircuit can occur when a metallic object such as a coin,
clip, or pen causes direct connection of the positive (+)
and negative (-) terminals of the battery. (These look
like metal strips on the battery.) This might happen, for
example, when you carry a spare battery in your pocket
or purse. A short-circuit at the terminals may damage the
battery or the connecting object.
Avoid High Temperatures
If you leave the battery in hot or cold places, such as
in a closed car in summer or winter conditions, it will
reduce the capacity and lifetime of the battery. For best
results, try to keep the battery between -20°C and +55°C
(-4°F and 131°F). A device with a hot or cold battery
may not work temporarily, even when the battery is fully
charged. Battery performance is particularly limited in
temperatures well below freezing.
Battery Disposal
Do not dispose off batteries in a re as they may explode.
Batteries may also explode if damaged. Dispose of
batteries according to local regulations and recycle when
possible. Do not dispose as household waste. Do not
dismantle, open or shred cells or batteries. In the event of
a battery leak, do not allow the liquid to come in contact
with the skin or eyes. In the event of leak or a hazard
seek medical help immediately.
Personal Medical Devices
Mobile phones may affect the operation of cardiac
pacemakers and other implanted equipment. Please
avoid placing the mobile phone over the pacemaker, for
example in your breast pocket. When using the mobile
phone, place it at the ear opposite the pacemaker. If a
minimum distance of 15 cm (6 inches) is kept between
the mobile phone and the pacemaker, the risk of
interference is limited. If you suspect that interference
is taking place, immediately turn off your mobile phone.
Contact your cardiologist for more information. For
other medical devices, consult your physician and the
manufacturer of the device. Comply with instructions to
switch off the device or deactivate the RF transmitter
10
When required, especially when posted in hospitals and
aeroplanes. Equipment used in these places may be
sensitive to radio waves emitted from the device and
adversely affect their operation. Also, observe restrictions
at gas stations or other areas with ammable atmosphere
or when close to electro-explosive devices.
Child Safety
Do not allow children to play with your mobile phone or
its accessories. Keep it out of their reach. They could
hurt themselves or others, or could accidentally damage
the mobile phone or accessories. Your mobile phone and
its accessories may contain small parts, which could be
detached and create a choking hazard.
Emergency Calls
Mobile phones operate using radio signals, which cannot
guarantee connection under all conditions. Therefore
you should never rely solely upon any mobile phone for
essential communications (e.g. medical emergencies).
Emergency calls may not be possible in all areas, on all
Your Safety Guidelines
cellular networks, or when certain network services and/
or mobile phone features are in use. Check with your
local service provider.
SAR Information
The Sonim Enduro has been certified in compliance
with the Government’s requirements for exposure to
Radio Waves.
When communicating over the wireless network, the
mobile phone emits via the radio frequency waves low
levels of radio energy. The Specic Absorption Rate, or
SAR, is the amount of RF energy absorbed by the body
while using the phone and is expressed in watts/kilogram
(W/kg).
Governments around the world have adopted
comprehensive international safety guidelines, developed
by scientic organizations, for example, ICNIRP
(International Commission on Non-Ionizing Radiation
Protection) and IEEE (The Institute of Electrical and
Electronics Engineers Inc.). These guidelines establish
permitted levels of radio wave exposure for the general
population.
Tests for SAR are conducted using standardized methods
with the phone transmitting at its highest certied power
level in all used frequency bands.
SAR Data Information for residents in the United
States and Canada.
In the United States and Canada, the SAR limit for
mobile phones used by the public is 1.6 watts/kilogram
averaged over one gram of tissue. The standard
incorporates a margin of safety to give additional
protection for the public and to account for any variations
in measurements.
Before a phone model is available for sale to the public
in the US, it must be tested and certied by the Federal
Communications Commission (FCC) that it does not
exceed the limit established by the government-adopted
requirement for safe exposure. The tests are performed
in positions and locations (that is, by the ear and worn on
the body) as required by the FCC for each model.
The highest SAR value for the Sonim XP4400-A-R1
phone when tested by Sonim for use:
• By the ear is 0.38 W/kg (1 g).
• Worn on the body is 0.56 W/kg (1 g).
For body-worn operation, this phone meets FCC RF
11
exposure guidelines provided that it is used with a nonmetallic accessory with the handset at least 1.5 cm from
the body, or with the original Sonim accessory intended
for this phone and worn on the body. Use of other
accessories may not ensure compliance with FCC RF
exposure guidelines.
HAC Rating
The FCC has created a rating system for cellular phones
regarding their HAC-related performance. This rating
helps consumers with hearing disabilities to nd phones
that will work well with their hearing aid devices. The
HAC rating and measurement procedure are described
in the American National Standards Institute (ANSI)
C63.19:2007.
ANSI C63.19 contains two rating standards: an “M” rating
from 1 to 4 for hearing aids operating in microphone
mode, and a “T” rating from 1 to 4 for hearing aids
operating in telecoil mode.
M-Rating stands for Microphone rating and indicates
the amount of reduction of RF interference between the
Your Safety Guidelines
telephone and the hearing aid in acoustic coupling mode
(also called microphone mode).
Phones rated M3 or M4 meet FCC requirements and
generate less interference to hearing devices set in
microphone mode.T-Rating stands for Telecoil rating and
represents inductive coupling with hearing aids that are
operating in telecoil mode. A telecoil is a small piece of
tightly wrapped wire, built into some hearing aids. While
the microphone of a hearing aid picks up all sounds, the
telecoil will only pick up an electromagnetic signal from
the telephone. Thus, users of telecoil-equipped hearing
aids are able to communicate over the telephone without
the amplication of unwanted background noise.
Phones rated T3 or T4 meet FCC requirements and
generate less interference to hearing devices set in
telecoil mode.
A combination of M-rating and T-rating denes the
nal HAC rating and is a deciding factor in selecting
cellular phones for people with hearing problems. A HAC
compliant phone could be rated:
• M3/T3
• M3/T4
• M4/T3
• M4/T4
These ratings assist hearing device users to nd
phones that are compatible with their hearing devices.
Ratings are shown on the phone’s box or label. The
ratings are not guaranteed for suitability. The results
vary depending on the individual’s hearing loss and the
immunity characteristics of the used hearing device, i.e.
its resistance to interference. The best way to evaluate
the suitability of the phone is to try it with the intended
hearing aid device.
Sonim XP4400-A-R1 has been tested for hearing aid
device compatibility and complies with the Federal
Communications Commission (FCC) requirements. Sonim
XP4400-A-R1 is rated M3/T4.
12
Getting Started
This section provides information on using your Sonim
Enduro phone.
The list of items in the Sonim Enduro phone box are:
• Quick Start Guide
• Registration Card
• Welcome Letter
• Screwdriver
• USB Cable
• Charger
Battery Usage
• Use only a Sonim Enduro certied battery that is
designed for this phone model.
• The use of other batteries may void the warranty
Getting Started
terms of your phone and cause damage.
• It is recommended to protect the battery from
extreme temperature environments and moisture.
• Please keep the battery out of the reach of children.
Inserting the Battery
1 Unscrew Cover
To open the battery cover,
rotate the battery cover screw
in clockwise direction.
2 Lift Cover
Lift the ap that covers the
battery.
3 Insert Micro SD Card
(Optional). Slide and lift the
silver clip over the designated
slot located below the battery.
Place the SD card in the
designated slot and close the
silver clip.
4 Insert Battery
Insert the battery. Close the
battery cover. Rotate the
battery cover screw in a
clockwise direction.
13
4 Close Cover
Close the battery cover. Rotate the
battery cover screws in clockwise
direction. You can use the screwdriver
provided to tighten the screws. Ensure
not to overtighten the screws.
Removing the Battery
Follow steps 1 and 2 of “Inserting the Battery” on page 13.
To remove the battery, lift the cover behind the phone and
raise the upper end of the battery from the slot.
The battery can now be removed.
Follow step 4 of “Inserting the Battery” on page 13 to close
the cover.
Getting Started
Charging the Battery
The battery delivered with your mobile phone is not fully
charged. We recommend that you charge your mobile for
5 hours before you use your mobile phone for the rst
time.
The phone with a fully charged battery can
remain in the standby mode for a duration of
up to 313 hours. If the battery is completely
out of charge, it can take several minutes for
the charging icon to appear when the charger
is connected.
1 Insert Charger
Insert the charger plug into a power
outlet.
2 Connect to Phone
The charger port is located on
the left side of the phone. To
access the charger port, lift the
cover with the USB sign. Insert the
micro USB jack/connector of the
charger to the port.
Alternatively, you can use the
standard USB cable and adaptor
to charge the phone battery. Insert
the adaptor to the power supply.
Connect one end of the standard micro USB cable
to the adaptor and the other end of the micro USB
cable to the Phone.
3 Charging Animation
If the battery is being charged when
the phone is switched off,only the
battery icon is displayed (as shown
in the adjacent gure).
14
4 Charging Icon
If the battery is being charged while
the phone is switched on, you will notice
that the bars in the battery charge icon
(visible on the home screen) show movement
indicating that the battery is being charged.
After the phone is fully charged, the battery
bars on the display stop scrolling. You can
disconnect the charger from the phone.
CAUTION: There is a risk of explosion while
charging if the battery has been replaced by an
incorrect type.
Phone Activation
Contact the service provider to activate your Sonim
Enduro phone.
Getting Started
15
Parts of the Sonim ENDURO Phone
The Sonim Enduro keypad has 11 function keys
and 12 alphanumeric keys. The left side of
the phone has one key and the right side
of the phone has three keys.
Display screen - Flip
open position
Loudspeaker
Ear piece
16
Getting Started
Headset port
Charger/USB port
Function keys
Display screen - Flip
close position
Alphanumeric keys
Microphone
Parts of the Sonim Enduro Phone
Volume keys - adjust the volume for voice
Torch
Camera
Getting Started
Battery cover
Battery cover
screws
call/ringtone/music
Browser
Charger/
USB
port
Headset port
17
Torch (press
and hold)
Press for
Camera
Sonim ENDURO Keypad
The following gure identies different keys
in the phone key pad.
Menu key
Navigation arrow keys
(Up/Down/Left/Right)
18
Getting Started
Left Selection Key (LSK)
Clear Key
Call/Accept/Send
Press and hold to display + (before
dialing an international number)
Right Selection Key (RSK)
Back Key
Power On/Off/End call
Press and hold to
activate silent mode
Switching On
Press and Hold the Power ON/OFF key to Power On the
phone.
When the phone is switched on, it tries to register with
the network. After successful registration, the name of
the service provider is displayed.
Home Screen
In the home screen, basic information such as service
provider details, date and time, battery charge status,
and Data service connectivity are displayed when the
phone is in standby mode. Indicators for other services
like alarm and Bluetooth are displayed, when the feature
is activated.
1
8
Getting Started
7
6
5
4
1. BATTERY
CHARGE
2
3
INDICATOR
2. ANNUCIATOR
BAR/STATUS BAR
3. SERVICE
PROVIDER
4. RSK COMMAND
5. LSK COMMAND
6. DATE AND DAY
7. TIME
8. SIGNAL
STRENGTH
INDICATOR
Key Shortcuts in Home Screen
The following can be accessed from the home screen.
PressTo Access
Menu KeyMain Menu
Left Selection KeyMain Menu
Right Selection KeyContacts
Call/Accept/Send KeyAll Calls List
Back KeyPrevious menu
Clear KeyClear the text/number entry
on the screen
Up ArrowCalendar
Down ArrowContacts
Right ArrowWrite message
Left ArrowFM Radio
The four functions that are performed using
the arrow keys are set as factory defaults,
however they can be changed. Open the
phone. Select Menu > Settings > Shortcuts.
Select the required arrow key and select
Change.
19
Keypad Functions
The following table displays the various keys and the corresponding functions they perform:
Keypad keyOperations
• Press to end a call.
• Press and hold to switch on or switch off the mobile phone.
• Press when in Menu or Edit modes to return to Standby mode.
• Press to reject an incoming call.
POWER ON/OFF/END CALL
• Press and hold to end Music player and Radio when Music player and Radio
are On.
• Press to answer an incoming call.
• After entering a phone number, press to make a call.
• Press while in Standby mode to access All calls list.
• Press to send a message or an e-mail.
CALL/ACCEPT/SEND
These keys are present immediately below the display screen.
Getting Started
LSK/RSK
• Press the Left Selection Key (LSK) or Right Selection Key (RSK) to select the
function indicated at the bottom of the screen. The indicated functions can
vary according to different program denitions.
• PressLSK to access the main menu in standby mode.
• PressRSK to access the Contacts in standby mode.
This key is present below the LSK key.
• Press this key to delete the text, while editing a message
CLEAR (C)
This key is present below the RSK key. Press this key to display the previous
screen.
BACK
20
Keypad keyOperations
Present at the centre of the navigation keys.
• Press while in standby mode to enter the main menu.
• Press when required to be used as a toggle key to select or clear a check box.
• Press to perform similar tasks as the Left Selection Key.
MENU KEY (CENTRE)
• Press to select the OK command.
The Left and Right Selection Keys and Power On/Off keys surround this key group.
There are arrows on the key that denote the direction to scroll for information
displayed on the screen.
UP/DOWN
Press to move the cursor up or down in the text editor.
• Press to view the pages in the text editor.
• Press to browse menus/lists at the same level.
• Press to browse the main menu.
NAVIGATION KEYS
LEFT/RIGHT
Getting Started
Press to navigate between tabs.
• Press to move the cursor left or right in the text editor.
• Press to browse the main menu.
• Press to view the previous or next picture when previewing pictures.
• Press the required keys to enter the desired phone number and press to
ALPHA-NUMERIC KEYS
• Press and hold any numeric key to access the shortcut assigned, while in
• Enter text while in the text editor.
21
make a call. Alternatively, enter the number and select Options > Call to dial
the number.
standby mode.
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