Samsung SM-G920OI Manual
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Appendix 131 4 Adjust the size of the frame or draw a line around an area that you want to restrict. 5 Tap DONE. The device displays the restricted area. The restricted area will not react when you touch it and the device’s hard keys will be disabled. To deactivate interaction control mode, press and hold the Home key and the Volume key down simultaneously. Direction lock Create a directional combination to unlock the screen. 1 On the Apps screen, tap Settings → Accessibility → Direction lock and tap the switch to activate it. 2 Drag your finger up, down, left, or right more than four times, and then tap CONTINUE. 3 Draw the direction combination again to verify it and tap CONFIRM. 4 Set a backup PIN to unlock the screen in case you forget the combination. Notification reminder Set the device to alert you to notifications that you have not checked at the interval. On the Apps screen, tap Settings → Accessibility → Notification reminder, and then tap the switch to activate it. To set the device to vibrate when you have unchecked notifications, tap the Vibrate switch to activate it. To set the device to turn on the notification light when you have unchecked notifications while the screen is turned off, tap the LED indicator switch to activate it. To set an interval between alerts, tap Reminder interval. To set apps to alert you to notifications, select apps under Select applications.
Appendix 132 Answering or ending calls Change the method of answering or ending calls. On the Apps screen, tap Settings → Accessibility → Answering and ending calls. Select the desired method. Using single tap mode When an alarm sounds or a call comes in, tap the button to stop the alarm or answer the call instead of dragging the button. On the Apps screen, tap Settings → Accessibility, and then tap the Single tap mode switch to activate it. Managing accessibility settings Saving accessibility settings in a file Export the current accessibility settings in a file. On the Apps screen, tap Settings → Accessibility → Manage accessibility → Import/ Export → Export to My Files. Importing an accessibility settings file Import an accessibility settings file and update the current settings. On the Apps screen, tap Settings → Accessibility → Manage accessibility → Import/ Export → Import from My Files. Select a file to import and tap DONE. The accessibility settings will be updated according to the imported file. Sharing accessibility settings files Share accessibility settings files with others via email, Wi-Fi Direct, Bluetooth, and more. On the Apps screen, tap Settings → Accessibility → Manage accessibility → Share via. Then, select the accessibility files and tap DONE. Select a sharing method and follow the on- screen instructions to share the files.
Appendix 133 Troubleshooting Before contacting a Samsung Service Centre, please attempt the following solutions. Some situations may not apply to your device. When you turn on your device or while you are using the device, it prompts you to enter one of the following codes: • Password: When the device lock feature is enabled, you must enter the password you set for the device. • PIN: When using the device for the first time or when the PIN requirement is enabled, you must enter the PIN supplied with the SIM or USIM card. You can disable this feature by using the Lock SIM card menu. • PUK: Your SIM or USIM card is blocked, usually as a result of entering your PIN incorrectly several times. You must enter the PUK supplied by your service provider. • PIN2: When you access a menu requiring the PIN2 , you must enter the PIN2 supplied with the SIM or USIM card. For more information, contact your service provider. Your device displays network or service error messages • When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again. While moving, error messages may appear repeatedly. • You cannot access some options without a subscription. For more information, contact your service provider. Your device does not turn on When the battery is completely discharged, your device will not turn on. Fully charge the battery before turning on the device.
Appendix 134 The touchscreen responds slowly or improperly • If you attach a protective cover or optional accessories to the touchscreen, the touchscreen 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 may malfunction. • 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. Your device freezes or has fatal errors If your device freezes or hangs, you may need to close apps or turn off the device and turn it on again. If your device is frozen and unresponsive, press and hold the Power key and the Volume key down simultaneously for more than 7 seconds to restart it. If this does not solve the problem, perform a factory data reset. On the Apps screen, tap Settings → Backup and reset → Factory data reset → RESET DEVICE → ERASE EVERYTHING . Before performing the factory data reset, remember to make backup copies of all important data stored in the device. If the problem is still not resolved, contact a Samsung Service Centre. Calls are not connected • Ensure that you have accessed the right cellular network. • Ensure that you have not set call barring for the phone number you are dialling. • Ensure that you have not set call barring for the incoming phone number. Others cannot hear you speaking on a call • Ensure that you are not covering the built-in microphone. • Ensure that the microphone is close to your mouth. • If using a headset, ensure that it is properly connected.
Appendix 135 Sound echoes during a call Adjust the volume by pressing the Volume key or move to another area. A cellular network or the Internet is often disconnected or audio quality is poor • Ensure that you are not blocking the device’s internal antenna. • When you are in areas with weak signals or poor reception, you may lose reception. You may have connectivity problems due to issues with the service provider’s base station. Move to another area and try again. • When using the device while moving, wireless network services may be disabled due to issues with the service provider’s network. The battery icon is empty Your battery is low. Charge the battery. The battery does not charge properly (For Samsung-approved chargers) • Ensure that the charger is connected properly. • Visit a Samsung Service Centre and have the battery replaced. The battery depletes faster than when first purchased • When you expose the device or the battery to very cold or very hot temperatures, the useful charge may be reduced. • Battery consumption increases when you use messaging features or some apps, such as games or the Internet. • The battery is consumable and the useful charge will get shorter over time. Your device is hot to the touch When you use apps that require more power or use apps on your device for an extended period of time, your device may feel hot to the touch. This is normal and should not affect your device’s lifespan or performance.
Appendix 136 Error messages appear when launching the camera Your device must have sufficient available memory and battery power to operate the camera app. If you receive error messages when launching the camera, try the following: • Charge the battery. • Free some memory by transferring files to a computer or deleting files from your device. • Restart the device. If you are still having trouble with the camera app after trying these tips, contact a Samsung Service Centre. Photo quality is poorer than the preview • The quality of your photos may vary, depending on the surroundings and the photography techniques you use. • If you take photos in dark areas, at night, or indoors, image noise may occur or images may be out of focus. Error messages appear when opening multimedia files If you receive error messages or multimedia files do not play when you open them on your device, try the following: • Free some memory by transferring files to a computer or deleting files from your device. • Ensure that the music file is not Digital Rights Management (DRM)-protected. If the file is DRM-protected, ensure that you have the appropriate licence or key to play the file. • Ensure that the file formats are supported by the device. If a file format is not supported, such as DivX or AC3, install an app that supports it. To confirm the file formats that your device supports, visit www.samsung.com. • Your device supports photos and videos captured with the device. Photos and videos captured by other devices may not work properly. • Your device supports multimedia files that are authorised by your network service provider or providers of additional services. Some content circulated on the Internet, such as ringtones, videos, or wallpapers, may not work properly.
Appendix 137 Another Bluetooth device is not located • Ensure that the Bluetooth wireless feature is activated on your device. • Ensure that the Bluetooth wireless feature is activated on the device you wish to connect to. • Ensure that your device and the other Bluetooth device are within the maximum Bluetooth range (10 m). If the tips above do not solve the problem, contact a Samsung Service Centre. A connection is not established when you connect the device to a computer • Ensure that the USB cable you are using is compatible with your device. • Ensure that you have the proper driver installed and updated on your computer. • If you are a Windows XP user, ensure that you have Windows XP Service Pack 3 or higher installed on your computer. Your device cannot find your current location GPS signals may be obstructed in some locations, such as indoors. Set the device to use Wi-Fi or a mobile network to find your current location in these situations. Data stored in the device has been lost Always make backup copies of all important data stored in the device. Otherwise, you cannot restore data if it is corrupted or lost. Samsung is not responsible for the loss of data stored in the device. A small gap appears around the outside of the device case • This gap is a necessary manufacturing feature and some minor rocking or vibration of parts may occur. • Over time, friction between parts may cause this gap to expand slightly.
Appendix 138 Removing the battery (non-removable type) • These instructions are only for your service provider or an authorised repair agent. • Damage or faults caused by the unauthorised removal of the battery are not covered by the warranty. • To remove or replace the battery, contact your service provider or an authorised repair agent. 1 Remove the SIM card tray from the device before starting battery removal. 2 Remove the back cover. 3 Loosen and remove the screws as shown in the image below.
Appendix 139 4 Remove the circuit board. 5 Disconnect the battery connector as shown in the image below. 6 Remove the battery.
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