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• Do not use the phone with a wet hand. Doing so
may cause an electric shock to you or damage to
the phone.
• Do not use or store the phone in dusty, dirty areas,
as its moving parts may be damaged.
• Do not store the phone in hot areas. High
temperatures can shorten the life of electronic
devices, damage batteries, and warp or melt
certain plastics.
• Do not store the phone in cold areas. When the
phone warms up to its normal operating
temperature, moisture can form inside the phone,
which may damage the phone’s electronic circuit
boards.
• Do not drop, knock or shake the phone. Rough
handling can break internal circuit boards.
• 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.
• 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.
Summary of Contents for SPH-U510
Page 2: ...SPH U510 User s Guide ...
