149The following list shows how to maintain your cell phonealong with precautions.• Keep your cell phone and its accessories out of the reach ofchildren.• Maintain your cell phone in dry condition and keep it undernormal temperature. Temperatures higher than 55 C (131 F) orlower than -20 C (-4 F) may damage your phone.• Do not use or store your cell phone in dusty, dirty areas.• Do not attempt to disassemble your cell phone.• Do not drop or cause severe impact to the phone.• Do not use chemical products, cleaning solvents or detergents toclean your cell phone.• If your cell phone does not work properly, contact your dealerimmediately.• Use only authorized batteries, battery chargers and accessories.Any malfunction or damage caused by the use of unauthorizedbatteries, battery chargers and accessories will void the limitedproduct warranty.• Ensure that the grounding points of the battery and batterycharger are not in direct contact with conductive objects.A ll about performance and safety