SMT-W6100 User Guide151• Do not store the phone in cold areas. When the phone warms up to its normal operatingtemperature, moisture can form inside the phone, which may damage the phone’s electronic circuitboards.• 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 witha 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 the phone, battery, charger or any accessory is not working properly, take it to your nearestqualified service facility. The personnel there will assist you, and if necessary, arrange for service.