11
Warning and Maintenance
• Some electronic devices are susceptible to electromagnetic interference sent by the
phone if inadequately shielded. Keep using the phone at least 20 cm or as far away as
you can from TV sets, radio and other automated office equipment so as to avoid
electromagnetic interference.
• Operating the phone may interfere with medical devices like hearing aides and
pacemakers, or other medical devices in hospital. Consult a physician or the
manufacturer of the medical device before using the phone.
• Be aware of the usage limitation when using the phone at places such as oil warehouses,
or chemical factories, where there are explosive gases or explosive products being
processed, because even if your phone is in idle state, it still transmits radio frequency
(RF) energy. Therefore, power off your phone if required.
• Do not touch the antenna while calling. Otherwise it will affect the quality of calling and
waste battery energy. The damaged antenna will cause slight burn while touching your
skin.
• Keep the antenna free from obstructions and position the antenna straight up. This will
ensure best call quality.
• Keep the phone out of the reach of small children. The phone may cause injury if used
as a toy.
• Do not put other things on the terminal to avoid overlaying radiator.
• Use original accessories or accessories that are authorized by the manufacturer. Using
any unauthorized accessories may affect your phone’s performance, and violate related
national regulations about telecom terminals, or even endanger your body.
• As your phone can produce electromagnetic field, do not place it near magnetic items
such as computer disks.
• Do not expose your phone to direct sunlight or store it in hot areas. High temperature
can shorten the life of electronic devices.
• Prevent liquid from leaking into your phone.
• Disconnect external power supply and do not use your phone during thunderstorm.
• Unplug the external power adapter or remove battery when your phone is not in use,
esp. for a long period of time.
• It is highly recommended to charge the battery before initial use. The battery might
