Samsung SWC-R640LBAXAR - Manual (Page 198)

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• Avoid dropping the cell phone. Dropping the phone or the battery,
especially on a hard surface, can potentially cause damage to the phone
and battery. If you suspect damage to the phone or battery, take it to a
service center for inspection.
• Never use any charger or battery that is damaged in any way.
• Do not allow the battery to touch metal objects. Accidental
short-circuiting can occur when a metallic object (coin, key, jewelry, clip, or
pen) causes a direct connection between the + and - terminals of the
battery (metal strips on the battery), for example when you carry a spare
battery in a pocket or bag. Short-circuiting the terminals may damage the
battery or the object causing the short-circuiting.
Important!: Use only Samsung-approved batteries, and recharge your battery only
with Samsung-approved chargers which are specifically designed for
your phone.
Warning!: Use of a non-Samsung-approved battery or charger may present a risk of
fire, explosion, leakage, or other hazard. Samsung's warranty does not
cover damage to the phone caused by non-Samsung-approved
batteries and/or chargers.
• Do not use incompatible cell phone batteries and chargers. Some
websites and second-hand dealers not associated with reputable
manufacturers and carriers, might be selling incompatible or even
counterfeit batteries and chargers. Consumers should purchase
manufacturer or carrier-recommended products and accessories. If unsure