Reference InformationÈ1998 Nokia Mobile Phones. All Rights Reserved. 77PUK Code (8 digits)The PUK (Personal Unblocking Key) code is required to change ablocked PIN code. The PUK code may be supplied with the SIM card.If not, contact your local service provider for the code. If you losethe code, contact your service provider.PUK2 Code (8 digit)The PUK2 code, supplied with some SIM cards, is required to changea blocked PIN2 code. If you lose the code, contact your service pro-vider.Barring PasswordThe barring password is needed when using the ‘Call Barring’function. You obtain the password from your service provider.Battery InformationThe following manufacturer-approved rechargeable batteries areavailable for your phone: NiMH batteries BMS-2V, BMS-2S andBMS-2, and Li-Ion batteries BLS-2, BLS-2H, BLS-4 and BLS-5.Charging and Discharging the Battery• Your phone is powered by a rechargeable battery.• Note that a new battery’s full performance is achieved only aftertwo or three complete charge and discharge cycles!• The battery can be charged and discharged hundreds of times but itwill eventually wear out. When the operating time (talk-time andstand-by time) is noticeably shorter than normal, it is time to buy anew battery.• Use only batteries approved by the phone manufacturer and re-charge your battery only with the chargers approved by the ma-nufacturer.
