LG Vortex User Manual page 288

Safety
286
General Notice
Using a damaged battery or placing a battery in your mouth may
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cause serious injury.
Do not place items containing magnetic components such as a
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credit card, phone card, bank book, or subway ticket near your
phone. The magnetism of the phone may damage the data stored
in the magnetic strip.
Talking on your phone for a long period of time may reduce call
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quality due to heat generated during use.
When the phone is not used for a long period time, store it in a
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safe place with the power cord unplugged.
Using the phone in proximity to receiving equipment (i.e., TV or
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radio) may cause interference to the phone.
Do not use the phone if the antenna is damaged. If a damaged
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antenna contacts skin, it may cause a slight burn. Please contact
an LG Authorized Service Center to replace the damaged
antenna.
Do not immerse your phone in water. If this happens, turn it off
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immediately and remove the battery. If the phone does not work,
take it to an LG Authorized Service Center.
Do not paint your phone.
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The data saved in your phone might be deleted due to careless
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use, repair of the phone, or upgrade of the software. Please
backup your important phone numbers. (Ringtones, text
messages, voice messages, pictures, and videos could also be
deleted.) The manufacturer is not liable for damage due to the
loss of data.
When you use the phone in public places, set the ringtone to
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vibration so you don't disturb others.