8General information■ Overview of functionsYour phone provides many functions that are practical for daily use, such as text andmultimedia messaging, calendar, clock, alarm clock, music player, and a built-in camera.■ Nokia supportCheck www.nokia.com/support or your local Nokia website for the latest version of thisguide, additional information, downloads, and services related to your Nokia product.On the website, you can get information on the use of Nokia products and services. If youneed to contact customer service, check the list of local Nokia Care contact centers atwww.nokia.com/customerservice.For maintenance services, check your nearest Nokia service center atwww.nokia.com/repair.■ Access codesSecurity codeThe security code (5 to 10 digits) helps to protect your phone against unauthorized use. To setthe code, and to change the phone to request the code, see "Security," p. 37.PIN codesThe personal identification number (PIN) code and the universal personal identificationnumber (UPIN) code (4 to 8 digits) help to protect your SIM card against unauthorized use.See "Security," p. 37.The PIN2 code (4 to 8 digits) may be supplied with the SIM card and is required for somefunctions.The module PIN is required to access the information in the security module. See "Securitymodule," p. 49.The signing PIN is required for the digital signature. See "Digital signature," p. 50.PUK codesThe personal unblocking key (PUK) code and the universal personal unblocking key (UPUK)code (8 digits) are required to change a blocked PIN code and UPIN code, respectively. ThePUK2 code (8 digits) is required to change a blocked PIN2 code. If the codes are not suppliedwith the SIM card, contact your local service provider for the codes.