Huawei G7300 - Cleaning and Maintenance

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Danger of explosion if battery is incorrectly replaced. Recycle
or dispose of used batteries according to the local
regulations or reference instruction supplied with your
device.
Cleaning and Maintenance
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The device, battery, and charger are not water-resistant.
Keep them dry. Protect the device, battery, and charger from
water or vapor. Do not touch the device or the charger with a
wet hand. Otherwise, it may lead to a short circuit, a
malfunction of the device, and an electric shock to the user.
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Do not place your device, battery, and charger in places
where they can get damaged because of collision. Otherwise,
it may lead to battery leakage, device malfunction,
overheating, fire, or explosion.
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Do not place magnetic storage media such as magnetic
cards and floppy disks near the device. Radiation from the
device may erase the information stored on them.
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Do not leave your device, battery, and charger in a place
with an extreme high or low temperature. Otherwise, they
may not function properly and may lead to a fire or an
explosion. When the temperature is lower than 0°C,
performance of the battery is affected.
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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 device.
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Before you clean or maintain the device, power off the
device and disconnect it from the charger.