Safety precautions 71Over time, unused batteries will discharge and must be recharged• before use.Disconnect chargers from power sources when not in use.•Use batteries only for their intended purposes.•Use manufacturer-approved batteries, chargers,accessories and suppliesUsing generic batteries or chargers may shorten the life of your device• or cause the device to malfunction.Samsung cannot be responsible for the user’s safety when using• accessories or supplies that are not approved by Samsung.Do not bite or suck on the device or the batteryDoing so may damage the device or cause explosion.•If children use the device, make sure that they use the device properly.•When speaking on the device:Hold the device upright, as you would with a traditional phone.•Speak directly into the mouthpiece.•Avoid contact with your device’s internal antenna. Touching the• antenna may reduce the call quality or cause the device to transmitmore radio frequency than necessary.Magnetic stripe cards, including credit cards, phone cards, passbooks,• and boarding passes, may be damaged by magnetic fields.Do not use carrying cases or accessories with magnetic closures or• allow your device to come in contact with magnetic fields for extendedperiods of time.Do not store your device near or in heaters, microwaves,hot cooking equipment, or high pressure containersThe battery may leak.•Your device may overheat and cause a fire.•Do not drop your device or cause impacts to your deviceThe screen of your device may be damaged.•If bent or deformed, your device may be damaged or parts may• malfunction.If your device has a camera flash or light, do not use a flashclose to the eyes of people or petsUsing a flash close to the eyes may cause temporary loss of vision ordamage to the eyes.Ensure maximum battery and charger lifeAvoid charging batteries for more than a week, as overcharging may• shorten battery life.