Huawei Ascend XT Original instructions

Huawei Ascend XT
Safety Information
2TM

Safety Information
This section contains important information about
the operation of your device. It also contains
information about how to use the device safely.
Read this information carefully before using your
device.
Electronic device
Do not use your device if using the device
is prohibited. Do not use the device if doing
so causes danger or interference with other
electronic devices.
Interference with medical equipment
 Follow rules and regulations set forth by hospitals
and health care facilities. Do not use your device
where prohibited.
 
performance of hearing aids or pacemakers.
Consult your service provider for more
information.
 Pacemaker manufacturers recommend that
a minimum distance of 15 cm be maintained
between a device and a pacemaker to prevent
potential interference with the pacemaker. If
using a pacemaker, hold the device on the side
opposite the pacemaker and do not carry the
device in your front pocket.
1

2
Protecting your hearing when using a headset
•
To prevent possible hearing damage,
do not listen at high volume levels for
long periods.
 Using a headset at high volumes may damage
your hearing. To reduce this risk, lower the
headset volume to a safe and comfortable level.
 Exposure to high volumes while driving may
cause distraction and increase your risk of an
accident.

 
explosives are stored (in a gas station, oil depot,
or chemical plant, for example). Using your
device in these environments increases the

instructions indicated in text or symbols.
 Do not store or transport the device in containers


 Observe local laws and regulations while using
the device. To reduce the risk of accidents, do
not use your wireless device while driving.
 
to drive safely.
 Do not hold the device while driving. Use hands-
free accessories.
 

3

 
motor vehicles. For more information, consult
the vehicle manufacturer.
 Do not place the device over the air bag or in
the air bag deployment area in a motor vehicle.
Doing so may hurt you because of the strong

 
or immediately before boarding. Using wireless


or be illegal.
Operating environment
 Avoid dusty, damp, or dirty environments.

environments may result in circuit malfunctions.
 Do not use your device during thunderstorms to
protect your device against any danger caused
by lightning.
 Ideal operating temperatures are 0 °C to 45 °C.
Ideal storage temperatures are -20 °C to +70 °C.
Extreme heat or cold may damage your device
or accessories.
 Do not expose your device to direct sunlight
(such as on a car dashboard) for prolonged
periods.
 
electrical shock hazards, avoid rain and moisture.
 Keep the device away from sources of heat and

4

water heater, radiator, or candle.
 Do not place sharp metal objects, such as pins,
near the earpiece or speaker. The earpiece may
attract these objects and result in injury.
 Stop using your device or applications for a while
if the device is overheated. If skin is exposed to
an overheated device for an extended period,
low temperature burn symptoms, such as red
spots and darker pigmentation, may occur.
 
the eyes of people or pets. Otherwise temporary
loss of vision or damage to the eyes may occur.
 Do not touch the device's antenna. Otherwise,

 Do not allow children or pets to bite or suck the
device or accessories. Doing so may result in
damage or explosion.
 Observe local laws and regulations, and respect
the privacy and legal rights of others.
Child's safety
 Comply with all precautions with regard to child's
safety. Letting children play with the device or
its accessories may be dangerous. The device
includes detachable parts that may present a
choking hazard. Keep away from children.
 The device and its accessories are not intended
for use by children. Children should only use the
device with adult supervision.

5
Accessories
 Using an unapproved or incompatible power

explosion or other hazards.
 Choose only accessories approved for use with
this model by the device manufacturer. The use
of any other types of accessories may void the
warranty, may violate local regulations and laws,
and may be dangerous. Please contact your
retailer for information about the availability of
approved accessories in your area.
Charger safety
 For pluggable devices, the socket-outlet shall
be installed near the devices and shall be easily
accessible.
 Unplug the charger from electrical outlets and
the device when not in use.
 Do not drop or cause an impact to the charger.
 If the power cable is damaged (for example, the
cord is exposed or broken), or the plug loosens,
stop using it at once. Continued use may lead to

 Do not touch the power cord with wet hands or
pull the power cord to disconnect the charger.
 Do not touch the device or the charger with
wet hands. Doing so may lead to short circuits,
malfunctions, or electric shocks.
 If your charger has been exposed to water,


6
authorized service center for inspection.
 
of Clause 2.5 in IEC60950-1/EN60950-1/UL60950-
1 and has been tested and approved according to
national or local standards.
 Connect the device only to products with the
USB-IF logo or with USB-IF compliance program
completion.
Battery safety
 The device has a built-in, non-removable battery.
Do not attempt to remove the battery, otherwise
the device may be damaged. To replace the
battery, take the device to an authorized service
center.
 Do not connect battery poles with conductors,
such as keys, jewelry, or other metal materials.
Doing so may short-circuit the battery and cause
injuries or burns.
 Keep the battery away from excessive heat and
direct sunlight. Do not place it on or in heating
devices, such as microwave ovens, stoves, or
radiators. Batteries may explode if overheated.
 Do not attempt to modify or remanufacture the
battery, insert foreign objects into it, or immerse


 If the battery leaks, ensure that the electrolyte
does not make direct contact with your skin
or eyes. If the electrolyte touches your skin or


7
clean water and consult a doctor.
 In case of battery deformation, color change,
or overheating while charging or storing,
immediately stop using the device and remove
the battery. Continued use may lead to battery

 
Damaged batteries may also explode.
 Dispose of used batteries in accordance with
local regulations. Improper battery use may lead

 Do not allow children or pets to bite or suck
the battery. Doing so may result in damage or
explosion.
 Do not smash or pierce the battery, or expose it
to high external pressure. Doing so may lead to a
short circuit or overheating.
 Do not drop the device or battery. If the device or
battery is dropped, especially on a hard surface, it
may be damaged.
 Use the battery only with a charging system that


explosion, leakage, or other hazards.
 Replace the battery only with an IEEE-Std-1725


leakage, or other hazards.
 Do not disassemble or open, crush, bend
or deform, puncture or shred the battery.

8
Otherwise, it may lead to electrolyte leakage,

 Do not solder battery poles or dismantle the
battery. Doing so may lead to electrolyte leakage,

Cleaning and maintenance
 Keep the device and accessories dry. Do not
attempt to dry it with an external heat source,
such as a microwave oven or hair dryer.
 Do not expose your device or accessories to
extreme heat or cold. These environments may
interfere with proper function and may lead to

 Avoid collision, which may lead to device

 Before you clean or maintain the device, stop
using it, stop all applications, and disconnect all
cables connected to it.
 Do not use any chemical detergent, powder,
or other chemical agents (such as alcohol and
benzene) to clean the device or accessories.
These substances may cause damage to parts

cloth to clean the device and accessories.
 Do not place magnetic stripe cards, such as
credit cards and phone cards, near the device
for extended periods of time. Otherwise the
magnetic stripe cards may be damaged.
 Do not dismantle or remanufacture the device
and its accessories. This voids the warranty

9
and releases the manufacturer from liability
for damage. In case of damage, contact an
authorized service center for assistance or repair.
 If the device screen is broken in a collision,
immediately stop using the device. Do not touch
or attempt to remove the broken parts. Promptly
contact an authorized service center.
Emergency calls
The availability of emergency calls is subject to

policy, and local laws and regulations. Never rely
solely on your device for critical communications
like medical emergencies.
Environmental protection
 The device and its accessories (if included), such
as the power adapter, headset, and battery
should not be disposed of with household
garbage.
 Disposal of the device and its accessories is
subject to local regulations. Support proper
collection and recycling.