Safety precautions153Do not use a flash close to the eyes of people or animalsUsing 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.Over 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, accessoriesand 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.Hold the device with a relaxed grip, press the keys lightly, use special●features that reduce the number of keys you have to press (such astemplates and predictive text), and take frequent breaks.Protect your hearingExcessive exposure to loud sounds can cause hearing●damage.Exposure to loud sounds while driving may distract your●attention and cause an accident.Always turn the volume down before plugging the●earphones into an audio source and use only theminimum volume setting necessary to hear yourconversation or music.