31Copyright © 2003 Nokia. All rights reserved.• Charging the battery supplied with the phone takes about 1 hour 30minutes when using the ACP-12 charger.• If Not charging is displayed, wait for a while, disconnect the charger, plug itin again and retry. If charging still fails, contact your dealer.3. When the battery is fully charged, the charging indicator bar stops scrolling.Disconnect the charger from the AC wall outlet and the phone.■ Switching the phone on and offWarning: Do not switch the phone on when wireless phone use is prohibited orwhen it may cause interference or danger.Press and hold the power key.• If the phone asks for a PIN or UPIN code or securitycode, key in the code and press OK. See also Accesscodes on page 15.• If the phone displays Insert SIM card even though theSIM card is properly inserted, or SIM card notsupported, insert the card again. If the text stillappears on the display, contact your network operatoror service provider. Your phone does not support 5 VoltSIM cards and the card may need to be changed.