2. Connect the charger to the device.3. When the battery is fully charged, disconnectthe charger from the device, then from thewall outlet.If the battery is completely discharged, it maytake a few minutes before the charging indicatorappears on the display or before any calls can bemade.The charging time depends on the charger used.Charging a BL-4CT battery with the AC-4 chargertakes approximately 1 hour 30 minutes while the phone is in the standby mode.AntennaYour device may have internal and external antennas. As with anyradio transmitting device, avoid touching the antenna areaunnecessarily while the antenna is transmitting or receiving.Contact with such an antenna affects the communication qualityand may cause the device to operate at a higher power level thanotherwise needed and may reduce the battery life.The figure shows the antenna area marked in grey.HeadsetWarning: Listen to music at a moderate level. Continuous exposure to highvolume may damage your hearing. Do not hold the device near your ear when theloudspeaker is in use, because the volume may be extremely loud.Warning: When you use the headset, your ability to hear outside soundsmay be affected. Do not use the headset where it can endanger your safety.When connecting any external device or any headset, other than those approvedby Nokia for use with this device, to the Nokia AV Connector, pay special attentionto volume levels.Do not connect products that create an output signal as this may cause damageto the device. Do not connect any voltage source to the Nokia AV Connector.Get started13 Get started