Samsung SGH-F490 User Manual
Also see for SGH-F490: User manualQuick start guideService manualService manual
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Contents
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Health and safety information73Availability of Various Features/RingTonesMany services and features are network dependent andmay require additional subscription and/or usagecharges. Not all features are available for purchase oruse in all areas. Downloadable Ring Tones may beavailable at an additional cost. Other conditions andrestrictions may apply. See your service provider foradditional information.Battery Standby and Talk TimeStandby and talk times will vary depending on phoneusage patterns and conditions. Battery powerconsumption depends on factors such as networkconfiguration, signal strength, operating temperature,features selected, frequency of calls, and voice, data,and other application usage patterns.Battery Precautions• Never use any charger or battery that is damaged inany 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 timeare greatly affected by the signal strength on thecellular network and the parameters set by thenetwork operator.• Battery charging time depends 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 time tobuy a new battery.• If left unused, a fully charged battery will dischargeitself over time.• Use only Samsung-approved batteries and rechargeyour battery only with Samsung-approved chargers. |
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