Samsung SM-J810F/DS User Manual

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Basics5• Modifying the device’s operating system or installing softwares from unofficial sourcesmay result in device malfunctions and data corruption or loss. These actions are violationsof your Samsung licence agreement and will void your warranty.• Depending on the region or service provider, a screen protector is attached for protectionduring production and distribution. Damage to the attached screen protector is notcovered by the warranty.• You can see the touchscreen clearly even in strong outdoor sunlight by automaticallyadjusting the contrast range based on the surrounding environment. Due to the natureof the product, displaying fixed graphics for extended periods may result in afterimages(screen burn-in) or ghosting.– It is recommended not to use fixed graphics on part or all of the touchscreen forextended periods and turn off the touchscreen when not using the device.– You can set the touchscreen to turn off automatically when you are not using it.Launch the Settings app, tap Display → Screen timeout, and then select the lengthof time you want the device to wait before turning off the touchscreen.• Depending on the region or model, some devices are required to receive approval fromthe Federal Communications Commission (FCC). If your device is approved by the FCC,you can view the FCC ID of the device. To view the FCC ID, launch the Settings app andtap About phone → Status.• Depending on the region, you can view the regulatory information on the device. Toview the information, launch the Settings app and tap About phone → Regulatoryinformation.