B a t t e r y i n f o r m a t i o n864. Confirm that the 20-digit code is valid by followingthe instructions at www.nokia.com/batterycheck.To create a text message, enter the 20-digit code, forexample, 12345678919876543210, and send to+44 7786 200276.National and international operator charges will apply.You should receive a message indicating whether the code can be authenticated.What if your battery is not authentic?If you cannot confirm that your Nokia battery with the hologram on the label isan authentic Nokia battery, please do not use the battery. Take it to the nearestauthorized Nokia service point or dealer for assistance. The use of a battery thatis not approved by the manufacturer may be dangerous and may result in poorperformance and damage to your device and its enhancements. It may alsoinvalidate any approval or warranty applying to the device.To find out more about original Nokia batteries, visit www.nokia.com/battery.■ Charging timesThe following charging times are approximate with the BL-4C battery:Travel Charger (AC-4): up to 1 hour 55 minutesStandard Travel Charger (AC-3): up to 2 hours 45 minutes