Samsung SGH-A727ZKAATT - Manual (Page 174)

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• Do not use harsh chemicals, cleaning solvents or strong detergents to clean the
phone. Wipe it with a soft cloth slightly dampened in a mild soap-and-water
solution.
• Do not paint the phone. Paint can clog the device's moving parts and prevent
proper operation.
• Do not put the phone in or on heating devices, such as a microwave oven, a stove
or a radiator. The phone may explode when overheated.
• If your phone is equipped with an external antenna, use only the supplied or an
approved replacement antenna. Unauthorized antennas or modified accessories
may damage the phone and violate regulations governing radio devices.
• If the phone, battery, charger or any accessory is not working properly, take it to
your nearest qualified service facility. The personnel there will assist you, and if
necessary, arrange for service.