Huawei C228s Manual page 16

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Do not leave your phone, battery, or charger in a very hot
or cold place. Otherwise, malfunction of the products, fire,
or explosion may occur.
Keep the ambient temperature between 0℃ and 45℃
while the battery is being charged. Keep the ambient
temperature between –20℃ and 60℃ for storing the
battery. If the ambient temperature is too low (especially
below 0℃) or too high, the capacity and life of the battery
will be reduced.
Do not place sharp metal objects such as pins near the
earpiece. The earpiece may attract these objects and hurt
you when you are using the phone.
Do not subject your phone, battery, and charger to serious
collision or shock. Otherwise, battery leakage, phone
malfunction, overheat, fire, or explosion may occur.
Do not put your phone in the back pocket of your trousers
or skirt, to avoid phone damage while seated.
Children Safety
Put your phone, battery, and charger in places beyond the
reach of children. Do not allow children to use the phone,
battery, or charger without guidance.
Do not allow children to put the battery in mouth, for
electrolyte in the battery is poisonous.
Do not allow children to touch the small fittings. Otherwise,
suffocation or gullet jam can be caused if children swallow
the small fittings.
Operating Environment
The phone, battery, and charger are not water-resistant.
Keep them dry. Protect the phone, battery and charge
from water or vapor. Do not touch the phone with a wet
hand. Otherwise, short-circuit and malfunction of the
product or electric shock may occur.
Do not use the phone in dusty, damp and dirty places or
places with magnetic field. Otherwise, malfunction of the
circuit may occur.
Do not power on or off the phone when it is near your ears
to avoid negative impact on your health.
When carrying or using the phone, keep the antenna at
least one inch (2.5 centimeters) away from your body, to
avoid negative impact on your health caused by radio
frequency leakage.
If you feel uncomfortable (such as falling sick or qualm)
after playing games on your phone for a long time, please
go to see a doctor immediately.
On a thunder stormy day, do not use your phone outdoors
or when it is being charged.
Do not touch the antenna when a call is going on.
Touching the antenna may affect call quality and cause the
phone to operate with more power. As a result, the talk
time and standby time are shortened.
The phone may interfere with nearby TV sets, radios and
PCs.
In accordance with international standards for radio
frequency and radiation, use phone accessories approved
by the manufacturer only.
While using the mobile phone, observe the local laws and
regulations, and respect others' privacy and legal rights.
Clearing and Maintenance
Before you clean or maintain the phone, power off the
phone and disconnect it from the charger. Otherwise,
electric shock or short-circuit of the battery or charger may
occur.
Do not use any chemical detergent, powder, or other
chemical agent (such as alcohol and benzene) to clean
the phone and the charge. Otherwise, part damage or a
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