Zte S521 User Manual

Security
To protect your mobile phone from illegal use, take the

security measures as follows:
 Set PIN codes of the SIM card.
 Set handset lock code.
 Set call restrictions.
Safety Precautions
This section includes some important information on safe and
efficient operation. Please read this information before using
the phone.
Operational Precautions
Please use your phone properly. When making or receiving a

call, please hold your phone as holding a wireline telephone.
Make sure that the phone is at least one inch (about two point
five centimeters) from your body when transmitting.
Keep the phone out of the reach of small children. The phone

may cause injury if used as a toy.
Precautions While Driving
Please pay attention to the traffic safety. Check the laws and

regulations on the use of your phone in the area where you
drive. Always obey them.
Use hands-free function of the phone, if available.

Pull off the road and park before making or answering a call if

conditions require.
Precautions for Medical Devices and
Facilities
When using your phone near pacemakers, please always

keep the phone more than eight inches (about twenty
centimeters) from the pacemaker when the phone is switched
on. Do not carry the phone in the breast pocket. Use the ear
opposite the pacemaker to minimize the potential for
interference. Switch off the phone immediately if necessary.
Some phones may interfere with some hearing aids. In the

event of such interference, you may consult your hearing aids
manufacturer to discuss alternatives.
If you use any other personal medical device, please consult

the manufacturer of your device to determine if it is
adequately shielded from RF energy.
In those facilities with special demand, such as hospital or

S521
health care facilities, please pay attention to the restriction on
the use of mobile phone. Switch off your phone if required.
English
User Manual
Mobile Phone
Please use original accessories or accessories approved by the

phone manufacturer. Using any unauthorized accessories may
affect your mobile phone's performance, damage your phone
or even cause danger to your body and violate related local
regulations about telecom terminals.
Turn off your phone before you clean it. Use a damp or

anti-static cloth to clean the phone. Do not use a dry cloth or
electrostatically charged cloth. Do not use chemical or
abrasive cleaners as these could damage the phone.
As your mobile phone can produce electromagnetic field, do

not place it near magnetic items such as computer disks.
Using the phone near electrical appliances such as TV,

telephone, radio and personal computer can cause
interference.
Do not expose your mobile phone to direct sunlight or store it

in hot areas. High temperatures can shorten the life of
electronic devices.
Keep your phone dry. Any liquid may damage your phone.

Do not drop, knock or harshly treat the phone. Rough

handling can break internal circuit boards.
Do not connect the phone with any incompatible

enhancement.
Do not attempt to disassemble the mobile phone or battery.

Do not store the phone with flammable or explosive articles.

Do not charge the mobile phone without battery.

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Precautions for Potentially Explosive
Atmospheres
Switch off your phone prior to entering any area with

potentially explosive atmospheres, such as fueling areas, fuel
or chemical transfer or storage facilities.
Do not remove, install, or charge batteries in such areas.

Spark in a potentially explosive atmosphere can cause an
explosion or fire resulting in bodily injury or even death.
To avoid possible interference with blasting operations, switch

off your phone when you are near electrical blasting caps, in a
blasting area, or in areas posted "Turn off electronic devices."
Obey all signs and instructions.
Precautions for Electronic Devices
Some electronic devices are susceptible to electromagnetic

interference sent by mobile phone if inadequately shielded,
such as electronic system of vehicles. Please consult the
manufacturer of the device before using the phone if
necessary.
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Safety and General Use in Vehicles Limitation of Liability
Safety airbag, brake, speed control system and oil eject
ZTE shall not be liable for any loss of profits or indirect, special,

system shouldn't be affected by wireless transmission. If you
incidental or consequential damages resulting from or arising out
do meet problems above, please contact your automobile
of or in connection with using this product, whether or not
provider. Do not place your phone in the area over an airbag
ZTE had been advised, knew or should have known the
or in the airbag deployment area. Airbags inflate with great
possibility of such damages. The user should refer to the
force. If a phone is placed in the airbag deployment area and
enclosed warranty card for full warranty and service
the airbag inflates, the phone may be propelled with great
information.
force and cause serious injury to occupants of the vehicle.
Please turn off your mobile phone at a refueling point, and the
Note: The pictures and icons shown in the manual are just

same to the place where the use of two-way radio is
schematic drawings for function demonstration. If they are
prohibited.
inconsistent with your handset, please take your handset as
the standard. If the inconsistency exits in the manual because
Aircraft Safety
of the handset function updating, please refer to the follow-up
Please turn off your mobile phone before the airplane takes public information from ZTE CORPORATION.

off. In order to protect airplane's communication system from
interference, it is forbidden to use mobile phone in flight.
Safety regulations require you to have permission from a crew
member to use your phone while the plane is on the ground.
If the mobile phone has the function of automatic timing

power-on, please check your alarm setting to make sure that
your phone will not be automatically turned on during flight.
5
Battery Use Key Functions
Do not short-circuit the battery, as this can cause the unit to

overheat or ignite.
Do not store battery in hot areas or throw it into fire.

Earpiece
Otherwise, it will cause explosion.
Do not disassemble or refit the battery. Otherwise, it will

cause liquid leakage, overheating, explosion and ignition of
the battery.
Please store the battery in a cool dry place if you don't use it

for a long period.
The battery can be recharged for hundreds of times, but it will

eventually wear out. When the operating time (talk time and
standby time) is noticeably shorter than normal, it is time to
Left/Right
replace it with a new one.
soft keys
Please stop using the charger and battery when they are

damaged or show evidence of aging.
Return the worn-out battery to the provider or dispose of it in

Send key
accordance with environment regulations. Do not dispose of it
in household rubbish.
Please use original batteries or batteries approved by the

phone manufacturer. Using any unauthorized battery may
affect your handset performance or may cause danger of
explosion, etc.
* key
Warning: If the battery is damaged, do not discharge it. If the
leakage does come into contact with the eyes or skin, wash
thoroughly in clean water and consult a doctor.
6
Function Description
Perform the function indicated at the left
Left soft key
bottom of the screen.
Perform the function indicated at the right
Right soft key
bottom of the screen.
Centre key Confirm actions and make selections.
These keys (UP, DOWN, LEFT and RIGHT)
4-Way
allow for navigation through menu options
Navigation
and quick accessing to some function
keys
menus.
Dial a phone number or answer a call, or view
Send key
the call history.
End/Power Press to exit to the standby mode.
key Hold to switch on/off the phone.
Alpha
Enter characters 0-9 and the alphabets
numeric keys from a-z.
Note: In this User Manual, "press a key" means to press the key
and release it, while "hold a key" means to press the key for at
least two seconds and then release it.
To lock the keypad, press the * key and then the right soft
key.To unlock the keypad,press the left soft key and then the *
key.
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Interface icons
Signal strength1 Signal strength2
Incoming message Call diverting
4-Way
Navigation keys
Missed Call Outdoor
and Centre key
No SIM Indoor
Alarm clock set Vibration
Silent Headset
Charger/USB Jack
End/Power key
Battery status
Alpha numeric
keys
Battery
# key
The lithium ion battery of the mobile phone can be immediately
used after unpacking.
Torch
8 10