Samsung SGH-R220 Owner's Manual

Also see for SGH-R220: Owner's manual Service manual

117Reference Information116Reference InformationUsing the BatteriesYour phone is powered by a rechargeable Li-ionstandard battery.Precautions When Using Batteries• Never use any charger or battery that is damagedin any way.• Use the battery only for its intended purpose.• If you use the phone near the network’s basestation, it uses less power; talk and standby timesare greatly affected by the signal strength on thecellular network and the parameters set by thenetwork operator.• Battery charging times depend on the remainingbattery charge and the type of battery and chargerused. The battery can be charged and dischargedhundreds of times, but it will gradually wear out.When the operation time (talk time and standbytime) is noticeably shorter than normal, it is timeto buy a new battery.• If left unused, a fully charged battery willdischarge itself over time.PUKThe PUK (Personal Unblocking Key) is required tochange a blocked PIN. The PUK may be supplied withthe SIM card. If not, contact your local serviceprovider.If you key in an incorrect PUKten times insuccession, the SIM card cannot be used anymore.Contact your service provider for a new card.You cannot change the PUK. If you lose it, contactyour service provider.PUK2The PUK2, supplied with some SIM cards, is requiredto change a blocked PIN2.If you key in an incorrect PUK2ten times insuccession, you cannot use the functions requiringthe PIN2. Contact your service provider for a newcard.You cannot change the PUK2. If you lose it, contactyour service provider.Barring PasswordThe 4-digit barring password is required when you usethe Call Barring function. You obtain the passwordfrom your service provider when you subscribe to thisfunction.