Huawei C2809 User Manual page 23

it may lead to short-circuit or malfunction of the device and
electric shock to the user.
Do not place your device, battery, or charger in places where it
can get damaged because of collision. Otherwise, it may lead to
battery leakage, device malfunction, overheating, fire, or
explosion.
If the ambient temperature is considerably low or high, the
capacity and life of the battery is reduced. When the temperature
is lower than 0℃, 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.
19