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Health and Safety
so may cause the screen to malfunction, result in damage to the device, or cause the
battery to explode.
• Do not expose your device to direct sunlight for extended periods of time (on the
dashboard of a car, for example).
• Store the battery at temperatures from 0 °C to 45 °C.
Do not store your device with metal objects, such as coins, keys, and necklaces
• Your device may be scratched or may malfunction.
• If the battery terminals come into contact with metal objects, this may cause a fire.
Do not store your device near magnetic fields
• Your device may malfunction or the battery may discharge from exposure to magnetic
fields.
• Magnetic stripe cards, including credit cards, phone cards, passbooks, and boarding
passes, may be damaged by magnetic fields.
Do not use your device or applications for a while if the device is overheated
• Prolonged exposure of your skin to an overheated device may cause low temperature
burn symptoms, such as red spots and pigmentation.
Do not use your device with the back cover removed
• The battery may fall out of the device, which may result in damage or malfunction.
Use caution when exposed to flashing lights
• While using your device, leave some lights on in the room and do not hold the screen too
close to your eyes.
• Seizures or blackouts can occur when you are exposed to flashing lights while watching
videos or playing Flash-based games for extended periods. If you feel any discomfort,
stop using the device immediately.
• If anyone related to you has experienced seizures or blackouts while using a similar
device, consult a physician before using the device.
• If you feel discomfort, such as a muscle spasm, or disoriented, stop using the device
immediately and consult a physician.
• To prevent eye strain, take frequent breaks while using the device.
Reduce the risk of repetitive motion injuries
When you repetitively perform actions, such as pressing keys, drawing characters on a touch
screen with your fingers, or playing games, you may experience occasional discomfort in your
hands, neck, shoulders, or other parts of your body. When using your device for extended
periods, hold the device with a relaxed grip, press the keys lightly, and take frequent breaks. If
you continue to have discomfort during or after such use, stop using the device and consult a
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