804. Performance and safetyThe following list shows how to maintain your mobile phone, together withprecautions to take.• Keep your mobile phone and its accessories out of the reach ofchildren.• Maintain your mobile phone in dry conditions and keep it within normaloperating temperatures. Temperatures higher than 55°C (131°F) orlower than -20°C (-4°F) may damage your phone.• Do not use or store your mobile phone in dusty, dirty areas.• Do not attempt to disassemble your mobile phone.• Do not drop or cause severe impact to your mobile phone.• Do not use chemical products, cleaning solvents or detergents to cleanyour mobile phone.• If your mobile phone does not work properly, contact your dealerimmediately.• Use only authorized batteries, battery chargers and accessories. Anymalfunction or damage caused by the use of unauthorized batteries,battery chargers and accessories will void the limited product warranty.• Ensure that the earthing points of the battery and battery charger donot come in contact with conductive objects.