Huawei G1157 User Manual page 24

When the temperature is lower than 0°C,
performance of the battery is affected.
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, or charger in a
very hot or cold place. Otherwise, they may not
function properly and may lead to a fire or an
explosion.
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 get 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, manufacturer is not liable to pay for
damages as the device and accessories are not
covered by warranty.
Emergency Call
You can use your device for emergency calls in the
service area. The connection, however, cannot be
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