Huawei u3100 User Manual page 4

Do not place magnetic storage media near your
phone. Radiation from the phone may erase the
information stored on them.
Do not put your phone in a high-temperature place
or use it in a place with flammable gas such as a gas
station.
Observe any laws or regulations on the use of
wireless device. Respect others' privacy and legal
rights when using your wireless device.
Keep your phone and its accessories away from
children. Do not allow children to use your phone
without guidance.
Strictly follow the relevant instructions of this
manual while using the USB cable. Otherwise your
phone or PC may be damaged.
Use only approved batteries and chargers to avoid
the risk of explosions.