Huawei Ascend G630-U251 Quick Start - Manual (Page 13)

• Ideal operating temperatures are 0 °C to 35 °C. Ideal storage
temperatures are -20 °C to 70 °C. Extreme heat or cold may
damage your device or accessories.
• Do not expose your device to direct sunlight (such as on a car
dashboard) for prolonged periods.
• To protect your device or accessories from fire or electrical shock
hazards, avoid rain and moisture.
• Keep the device away from sources of heat and fire, such as a
heater, microwave oven, stove, water heater, radiator, or
candle.
• Do not place sharp metal objects, such as pins, near the earpiece
or speaker. The earpiece may attract these objects and result in
injury.
• Stop using your device or applications for a while if the device is
overheated. If skin is exposed to an overheated device for an
extended period, low temperature burn symptoms, such as red
spots and darker pigmentation, may occur.
• Do not use your device's camera flash directly in the eyes of
people or pets. Otherwise temporary loss of vision or damage to
the eyes may occur.
• Do not touch the device's antenna. Otherwise, communication
quality may be reduced.
• Do not allow children or pets to bite or suck the device or
accessories. Doing so may result in damage or explosion.
• Observe local laws and regulations, and respect the privacy and
legal rights of others.
Child's safety
• Comply with all precautions with regard to child's safety. Letting
children play with the device or its accessories may be
dangerous. The device includes detachable parts that may
present a choking hazard. Keep away from children.
• The device and its accessories are not intended for use by
children. Children should only use the device with adult
supervision.
Accessories
• Using an unapproved or incompatible power adapter, charger
or battery may cause fire, explosion or other hazards.