98AppendixTroubleshootingBefore contacting a Samsung Service Centre, please attempt the following solutions. Somesituations may not apply to your device.Your device displays network or service error messages• When you are in areas with weak signals or poor reception, you may lose reception. Moveto another area and try again. While moving, error messages may appear repeatedly.• You cannot access some options without a subscription. For more information, contactthe service provider.Your device does not turn onWhen the battery is completely discharged, your device will not turn on. Fully charge thebattery before turning on the device.The touchscreen responds slowly or improperly• If you attach a protective cover or optional accessories to the touchscreen, thetouchscreen may not function properly.• If you are wearing gloves, if your hands are not clean while touching the touchscreen,or if you tap the screen with sharp objects or your fingertips, the touchscreen maymalfunction.• The touchscreen may malfunction in humid conditions or when exposed to water.• Restart your device to clear any temporary software bugs.• Ensure that your device software is updated to the latest version.• If the touchscreen is scratched or damaged, visit a Samsung Service Centre.