ZTE Z957 LTE/WCDMA/GSM(GPRS) Multi-Mode Digital Mobile Phone User Manual ZTE T81

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Document ID	3191565
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Date Submitted	2016-11-09 00:00:00
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Z957
User Manual
LEGAL INFORMATION
Copyright © 2016 ZTE CORPORATION.
All rights reserved.
No part of this publication may be quoted, reproduced,
translated or used in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without the
prior written permission of ZTE Corporation.
Notice
ZTE Corporation reserves the right to make modifications on print
errors or update specifications in this guide without prior notice.
Disclaimer
ZTE Corporation expressly disclaims any liability for faults and
damages caused by unauthorized modifications of the software.
Images and screenshots used in this guide may differ from the
actual product. Content in this guide may differ from the actual
product or software.
Trademarks
ZTE and the ZTE logos are trademarks of ZTE Corporation.
Google and Android are trademarks of Google, Inc.
The Bluetooth® trademark and logos are owned by the Bluetooth
SIG, Inc. and any use of such trademarks by ZTE Corporation is
under license.
microSDXC Logo is a trademark of SD-3C, LLC.
Qualcomm® Snapdragon™ processors are products of
Qualcomm Technologies, Inc.
Qualcomm and Snapdragon are trademarks of Qualcomm
Incorporated, registered in the United States and other countries.
Used with permission.
Manufactured under license from Dolby Laboratories. Dolby,
Dolby Audio, and the double-D symbol are trademarks of Dolby
Laboratories.
Other trademarks and trade names are the property of their
respective owners.
Version No. : R1.0
Edition Time : October 13, 2016
Manual No. :
Getting to Know Your Phone
Proximity &
light sensor
Front camera
Headset jack
Earpiece
Volume key
Power key
Touch
screen
Home key (with
indicator light)
Back key
Recent apps key
Charging/USB
Type-C jack
Auxiliary
microphone
Back camera
Flash
nano-SIM/
microSDXC
card tray
Fingerprint
sensor
Speaker
Main
microphone
Power key

Press and hold to turn on or off airplane mode, power off or
restart the phone.

Press to turn off or on the screen display.
Home key

Touch to return to the home screen.

Touch and hold to use Google Search or Now on Tap.
Back key
Touch to go to the previous screen.
Recent apps key
Touch to see recently used applications.
Volume key
Press or hold either end of the key to turn the volume up or
down.
Phone Setup
You’ll need to set up your phone before you can explore all its
great features.
Installing the nano-SIM Card and
microSDXC Card
The nano-SIM card and the microSDXC card can be installed
or removed while the phone is turned on. You need to unmount
the microSDXC card before removing it.
WARNING!
To avoid damage to the phone, do not use any non-standard
nano-SIM card cut from a SIM card. You can get a standard
nano-SIM card from your service provider.
1. Insert the tip of the tray eject tool into the hole on the card
tray.
2. Pull out the card tray and place the nano-SIM card (right)
/microSDXC card (left) facing down on the tray. Gently slide
the card tray in until it clicks into place.
microSDXC
card
nano-SIM
card
Charging the Battery
Your phone’s battery should have enough power for the phone to
turn on, find a signal, and make a few calls. You should fully
charge the battery as soon as possible.
WARNING!
Use only ZTE-approved chargers and cables. The use of
unapproved accessories could damage your phone or cause
the battery to explode.
1. Connect the adapter to the charging/USB Type-C jack.
2. Connect the charger to a standard AC power outlet. If the
or
phone is on, you’ll see a charging icon, such as
appear in the status bar.
3. Disconnect the charger when the battery is fully charged.
CAUTION:
Do not change the built-in rechargeable battery in your phone by
yourself. The battery can only be changed by ZTE or ZTE
authorized service provider.
NOTE:
If the battery is extremely low, you may be unable to power on
the phone even when it is being charged. In this case, try again
after charging the phone for at least 20 minutes. Contact the
customer service if you still cannot power on the phone after
prolonged charging.
Powering On/Off

Press and hold the Power key to turn on your phone.

To power off, press and hold the Power key and touch
Power off.
NOTE:
If the phone freezes or takes too long to respond, you can press
and hold the Power key for about 10 seconds to restart the
phone.
10
For Your Safety
General safety
Do ’t ake or receive
handheld calls while driving.
Never text while driving.
Do ’t use at gas statio s.
Keep your phone at least 10
mm away from your ear or
body while making calls.
Your phone may produce a
bright or flashing light.
Small parts may cause
choking.
Do ’t dispose of your
phone in fire.
Your phone can produce a
loud sound.
To prevent possible hearing
damage, do not listen at
high volume levels for long
periods.
Avoid contact with anything
magnetic.
Avoid extreme
temperatures.
11
Keep away from
pacemakers and other
electronic medical devices.
Avoid contact with liquids.
Keep your phone dry.
Turn off when asked to in
hospitals and medical
facilities.
Do not take your phone
apart.
Turn off when told to in
aircrafts and airports.
Only use approved
accessories.
Turn off when near
explosive materials or
liquids.
Do ’t rely o your pho e
for emergency
communications.
Radio frequency (RF) energy
This phone 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 United States
and Innovation, Science and Economic Development Canada.
During SAR testing, this device is set to transmit at its highest
certified power level in all tested frequency bands, and placed in
positions that simulate RF exposure in usage against the head
with no separation, and near the body with the separation of 10
mm. Although the SAR is determined at the highest certified
12
power level, the actual SAR level of the device while operating
can be well below the maximum value. This is because the
phone is designed to operate at multiple power levels so as to
use only the power required to reach the network. In general, the
closer you are to a wireless base station antenna, the lower the
power output.
The exposure standard for wireless devices employing a unit of
measurement is known as the Specific Absorption Rate, or
SAR. The SAR limit set by the FCC is 1.6 W/kg and 1.6 W/kg by
Innovation, Science and Economic Development Canada.
This device is in compliance with SAR for general population
/uncontrolled exposure limits in ANSI/IEEE C95.1-1992 and
Canada RSS 102 and had been tested in accordance with the
measurement methods and procedures specified in IEEE1528
and Canada RSS 102. This device has been tested and meets
the FCC and ISED RF exposure guidelines when tested with the
device directly contacted to the body.
The FCC has granted an Equipment Authorization for this model
phone with all reported SAR levels evaluated as in compliance
with the FCC RF exposure guidelines. SAR information on this
model phone is on file with the FCC and can be found under the
Display Grant section of www.fcc.gov/oet/ea/fccid after searching
on FCC ID: SRQ-Z957.
For this device, the highest reported SAR value for usage against
the head is 0.78 W/kg, for usage near the body is 1.19 W/kg.
While there may be differences between the SAR levels of
various phones and at various positions, they all meet the
government requirement.
13
SAR compliance for body-worn operation is based on a
separation distance of 10 mm between the unit and the human
body. Carry this device at least 10 mm away from your body to
ensure RF exposure level compliant or lower to the reported level.
To support body-worn operation, choose the belt clips or holsters
that do not contain metallic components to maintain a separation
of 10 mm between this device and your body.
RF exposure compliance with any body-worn accessory, which
contains metal, was not tested and certified, and using such
body-worn accessory should be avoided.
ISED Notice
This device complies with Innovation, Science and Economic
Development Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including
interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR Innovation, Sciences
et Développement économique Canada applicables aux
appareils radio exempts de licence. L'exploitation est autorisée
aux deux conditions suivantes:
(1) l'appareil ne doit pas produire de brouillage, et
(2) l'utilisateur de l'appareil doit accepter tout brouillage
radioélectrique subi, même si le brouillage est susceptible d'en
14
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme
NMB-003 du Canada.
IC: 5200E-Z957
ISED Radiation Exposure Statement
This EUT is in compliance with SAR for general
population/uncontrolled exposure limits in ISED RSS-102 and
had been tested in accordance with the measurement methods
and procedures specified in IEEE 1528 and IEC 62209. This
equipment should be installed and operated with minimum
distance of 1.0 cm between the radiator and your body. This
device and its antenna(s) must not be co-located or operating in
conjunction with any other antenna or transmitter.
Cet appareil est conforme aux limites d'exposition DAS
incontrôlée pour la population générale de la norme CNR-102
science de l’innovation et le développement économique Canada
et a été testé en conformité avec les méthodes de mesure et
procédures spécifiées dans IEEE 1528 et IEC 62209. Cet
appareil doit être installé et utilisé avec une distance minimale de
1.0 cm entre l’émetteur et votre corps. Cet appareil et sa ou ses
antennes ne doivent pas être co-localisés ou fonctionner en
conjonction avec tout autre antenne ou transmetteur.
FCC compliance
This mobile phone complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This
15
device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that
may cause undesired operation.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to
operate the equipment.
This mobile phone 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 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.
CAUTION:
Changes or modifications not expressly approved by the party
16
responsible for compliance could void the user’s authority to
operate the equipment.
Hearing aid compatibility (HAC)
regulations for mobile phones
In 2003, the FCC adopted rules to make digital wireless
telephones compatible with hearing aids and cochlear implants.
Although analog wireless phones do not usually cause
interference with hearing aids or cochlear implants, digital
wireless phones sometimes do because of electromagnetic
energy emitted by the phone's antenna, backlight, or other
components. Your phone is compliant with FCC HAC regulations
(ANSI C63.19- 2011). While some wireless phones are used near
some hearing devices (hearing aids and cochlear implants),
users may detect a buzzing, humming, or whining noise. Some
hearing devices are more immune than others to this interference
noise and phones also vary in the amount of interference they
generate. The wireless telephone industry has developed a
rating system for wireless phones to assist hearing device users
in finding phones that may be compatible with their hearing
devices. Not all phones have been rated. Phones that are rated
have the rating on their box or a label located on the box. The
ratings are not guarantees. Results will vary depending on the
user's hearing device and hearing loss. If your hearing device
happens to be vulnerable to interference, you may not be able to
use a rated phone successfully. Trying out the phone with your
hearing device is the best way to evaluate it for your personal
needs.
17
This phone has been tested and rated for use with hearing aids
for some of the wireless technologies that it uses. However, there
may be some newer wireless technologies used in this phone
that have not been tested yet for use with hearing aids. It is
important to try the different features of this phone thoroughly and
in different locations, using your hearing aid or cochlear implant,
to determine if you hear any interfering noise. Consult your
service provider or the manufacturer of this phone for information
on hearing aid compatibility. If you have questions about return or
exchange policies, consult your service provider or phone retailer.
M-Ratings: Phones rated M3 or M4 meet FCC requirements and
are likely to generate less interference to hearing devices than
phones that are not labeled. M4 is the better/higher of the two
ratings.
T-Ratings: Phones rated T3 or T4 meet FCC requirements and
are likely to be more usable with a hearing device’s telecoil (“T
Switch” or “Telephone Switch”) than unrated phones. T4 is the
better/higher of the two ratings. (Note that not all hearing devices
have telecoils in them.)
Your phone meets the M4/T4 level rating.
Hearing devices may also be rated. Your hearing device
manufacturer or hearing health professional may help you find
this rating. For more information about FCC Hearing Aid
Compatibility, please go to http://www.fcc.gov/cgb/dro.
CTIA requirements

Do not disassemble or crush, bend or deform, puncture or
shred.
18

Do not modify or remanufacture, attempt to insert foreign
objects into the battery, immerse or expose to water or other
liquids, expose to fire, explosion or other hazard.

Only use the battery for the system for which it is specified.

Only use the battery with a charging system that has been
qualified with the system per CTIA Certification Requirements
for Battery System Compliance to IEEE 1725. Use of an
unqualified battery or charger may present a risk of fire,
explosion, leakage, or other hazard.

Do not short circuit a battery or allow metallic conductive
objects to contact battery terminals.

Replace the battery only with another battery that has been
qualified with the system per this standard, IEEE-Std-1725.
Use of an unqualified battery may present a risk of fire,
explosion, leakage or other hazard.

Promptly dispose of used batteries in accordance with local
regulations.

Battery usage by children should be supervised.

Avoid dropping the phone or battery. If the phone or battery is
dropped, especially on a hard surface, and the user suspects
damage, take it to a service center for inspection.

Improper battery use may result in a fire, explosion or other
hazard.

The phone shall only be connected to CTIA certified adapters,
products that bear the USB-IF logo or products that have
completed the USB-IF compliance program.
19
Distraction
Driving
Full attention must be given to driving at all times in order to
reduce the risk of an accident. Using a phone while driving (even
with a hands free kit) can cause distraction and lead to an
accident. You must comply with local laws and regulations
restricting the use of wireless devices while driving.
Operating machinery
Full attention must be given to operating machinery in order to
reduce the risk of an accident.
Product handling
General statement on handling and use
You alone are responsible for how you use your phone and any
consequences of its use.
You must always turn off your phone wherever the use of a
phone is prohibited. Use of your phone is subject to safety
measures designed to protect users and their environment.

Always treat your phone and its accessories with care and
keep it in a clean and dust-free place.

Keep the screen and camera lens clean. Unclean screen or
camera lens may slow down the phone's reaction to your
20
operations or lower image quality.

Clean the device and its accessories with a soft material such
as cleaning cloth for eyeglass lenses. Do not use alcohol or
other corrosive substances for cleaning or allow them to get
inside.

Do not expose your phone or its accessories to open flames
or lit tobacco products.

Do not expose your phone or its accessories to liquid,
moisture or high humidity.

Do not drop, throw or try to bend your phone or its
accessories.

Do not paint your phone or its accessories.

Do not attempt to disassemble your phone or its accessories.
Only authorized personnel can do so.

Do not expose or use your phone or its accessories in an
environment with or that can reach extreme temperatures,
minimum - [5] and maximum + [50] degrees Celsius.

Do not place your phone inside or near heating equipments or
high pressure containers, such as water heaters, microwave
ovens, or hot cooking utensils. Otherwise, your phone may be
damaged.

Please check local regulations for disposal of electronic
products.

Do not carry your phone in your back pocket as it could break
when you sit down.
21
Small children
Do not leave your phone and its accessories within the reach of
small children or allow them to play with it. They could hurt
themselves or others, or could accidentally damage the phone.
Your phone contains small parts with sharp edges that may
cause an injury or may become detached and create a choking
hazard.
Demagnetization
To avoid the risk of demagnetization, do not allow electronic
devices or magnetic media to be close to your phone for a long
time.
Electrostatic discharge (ESD)
Do not touch the metal connectors on the nano-SIM card and the
microSDXC card.
Antenna
Do not touch the antenna unnecessarily.
Normal use position
When placing or receiving a phone call, hold your phone to your
ear, with the bottom towards your mouth.
Air bags
Do not place a phone in the area over an air bag or in the air bag
22
deployment area as an airbag inflates with great force and
serious injury could result.
Store the phone safely before driving your vehicle.
Seizures/Blackouts
The phone can produce a bright or flashing light. A small
percentage of people may be susceptible to blackouts or
seizures (even if they have never had one before) when exposed
to flashing lights or light patterns such as when playing games or
watching video. If you have experienced seizures or blackouts or
have a family history of such occurrences, please consult a
physician. To reduce the risk of blackouts or seizures, you can
use your phone in a well-lit room and take frequent breaks.
Repetitive stress injuries
To minimize the risk of Repetitive Strain Injury (RSI) when texting
or playing games with your phone:

Do not grip the phone too tightly.

Press the buttons lightly.

Use the special features that are designed to minimize the
times of pressing buttons, such as Message Templates and
Predictive Text.

Take many breaks to stretch and relax.
Emergency calls
This phone, like any wireless phone, operates using radio signals,
23
which cannot guarantee connection in all conditions. Therefore,
you must never rely solely on any wireless phone for emergency
communications.
Loud noise
This phone is capable of producing loud noises, which may
damage your hearing. Turn down the volume before using
headphones, Bluetooth stereo headsets or other audio devices.
Phone heating
Your phone may become warm during charging and during
normal use.
Electrical safety
Accessories
Use only approved accessories. Do not connect with
incompatible products or accessories.
Take care not to touch or allow metal objects, such as coins or
key rings, to contact or short-circuit in the battery terminals.
Never puncture the surface of the battery with sharp objects.
Connection to a car
Seek professional advice when connecting a phone interface to
the vehicle electrical system.
24
Faulty and damaged products
Do not attempt to disassemble the phone or its accessories. Only
qualified personnel can service or repair the phone or its
accessories.
If your phone (or its accessories) has been submerged in water,
punctured, or subjected to a severe fall, do not use it until you
have taken it to be checked at an authorized service center.
Radio frequency interference
General Statement on Interference
Care must be taken when using the phone in close proximity to
personal medical devices, such as pacemakers and hearing aids.
Please consult your doctor and the device manufacturers to
determine if the operation of your phone may interfere with the
operation of your medical devices.
Pacemakers
Pacemaker manufacturers recommend that a minimum
separation of 15 cm be maintained between a mobile phone and
a pacemaker to avoid potential interference with the pacemaker.
To achieve this, use the phone on the opposite ear to your
pacemaker and do not carry it in a breast pocket.
Hearing aids
People with hearing aids or other cochlear implants may
25
experience interfering noises when using wireless devices or
when one is nearby.
The level of interference will depend on the type of hearing
device and the distance from the interference source. Increasing
the separation between them may reduce the interference. You
may also consult your hearing aid manufacturer to discuss
alternatives.
Medical devices
Please consult your doctor and the device manufacturer to
determine if operation of your phone may interfere with the
operation of your medical device.
Hospitals
Turn off your wireless device when requested to do so in
hospitals, clinics or health care facilities. These requests are
designed to prevent possible interference with sensitive medical
equipment.
Aircraft
Turn off your wireless device whenever you are instructed to do
so by airport or airline staff.
Consult the airline staff about the use of wireless devices
onboard the aircraft. If your device offers a ‘flight mode’, this must
be enabled prior to boarding an aircraft.
26
Interference in cars
Please note that because of possible interference with electronic
equipment, some vehicle manufacturers forbid the use of mobile
phones in their vehicles unless a hands-free kit with an external
antenna is included in the installation.
Explosive environments
Gas stations and explosive atmospheres
In locations with potentially explosive atmospheres, obey all
posted signs to turn off wireless devices such as your phone or
other radio equipment.
Areas with potentially explosive atmospheres include fueling
areas, below decks on boats, fuel or chemical transfer or storage
facilities, and areas where the air contains chemicals or particles,
such as grain, dust, or metal powders.
Blasting caps and areas
Power off your mobile phone or wireless device when in a
blasting area or in areas posted power off “two-way radios” or
“electronic devices” to avoid interfering with blasting operations.
27

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