G e t s t a r t e d9services. If you enter the PIN or PIN2 code incorrectly three times in succession,you are asked for the PUK or PUK2 code. If you do not have them, contact yourservice provider.The module PIN is required to access the information in the security module of yourSIM card. The signing PIN may be required for the digital signature. The restrictionspassword is required when using the call restriction service.To set how your phone uses the access codes and security settings, select Menu >Settings > Security.■ Accessories, batteries, and chargersCheck the model number of any charger before use with this device. This device isintended for use when supplied with power from the AC-3U charger.Warning: Use only batteries, chargers, and accessories approved by Nokiafor use with this particular model. The use of any other types mayinvalidate any approval or warranty, and may be dangerous.For availability of approved accessories, please check with your dealer. When youdisconnect the power cord of any enhancement, grasp and pull the plug, not thecord.1. Get started■ Insert SIM card and batteryAlways switch the device off and disconnect the charger before removing thebattery.This device is intended for use with BL-5C battery. Always use original Nokiabatteries. See ”Nokia battery authentication guidelines” on page 43.