Huawei M570, User Manual

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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.

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.

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.

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.

Before you clean or maintain the device, power off the
device and disconnect it from the charger.

Do not use any chemical detergent, powder, or other
chemical agents (such as alcohol and benzene) to clean
the device and the charger. Otherwise, parts of the device
may be damaged or a fire can be caused. You can clean
the device and the charger with a piece of damp and soft
antistatic cloth.

Do not dismantle the device or accessories. Otherwise,
the warranty on the device and accessories is invalid and
the manufacturer is not liable to pay for the damage.
Emergency Call
You can use your device for emergency calls in the service
area. The connection, however, cannot be guaranteed in all