Huawei B503B2 User Manual page 18

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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.
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