Samsung SM-J810F/DS User Manual

Also see for Galaxy J8: User manual User manual User manual

Basics12• When using the speakers, such as when playing media files or using speakerphone,do not place the device close to your ears.• Be careful not to expose the camera lens to a strong light source, such as directsunlight. If the camera lens is exposed to a strong light source, such as directsunlight, the camera image sensor may be damaged. A damaged image sensor isirreparable and will cause dots or spots in pictures.• If you use the device with its glass or acrylic body broken, there may be a risk ofinjury. Use the device only after it has been repaired at a Samsung Service Centre.• Connectivity problems and battery drain may occur in the following situations:– If you attach metallic stickers on the antenna area of the device– If you attach a device cover made with metallic material to the device– If you cover the device’s antenna area with your hands or other objects whileusing certain features, such as calls or the mobile data connection• Using a Samsung-approved screen protector is recommended. Unapproved screenprotectors may cause the sensors to malfunction.• Do not cover the proximity/light sensor area with screen accessories, such as ascreen protector or stickers. Doing so may cause the sensor to malfunction.• Do not allow water to contact the touchscreen. The touchscreen may malfunctionin humid conditions or when exposed to water.Hard keysVolume key Power keyKey FunctionPower • Press and hold to turn the device on or off.• Press to turn on or lock the screen.Volume • Press to adjust the device volume.