Troubleshooting Guide for the Samsung Galaxy Tab S4

Last Update Date : Nov 21. 2018

If you've encountered an issue with your Samsung Galaxy Tab S4, please attempt the following solutions to resolve the issue. If problem persists, you can visit our Samsung Service Centre with your device for further assistance.

Trouble shooting guide

Issue

Solution

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. 

The touchscreen responds slowly
or improperly

• If you attach a screen protector or optional accessories to the touchscreen, the touchscreen may not function properly

• The touchscreen may malfunction if your hands are not clean, wearing gloves or the screen is tap with sharp objects/fingerprints

• 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 encounters
a fatal error

Restarting the device

If your device freezes or hangs, you may need to close Apps or turn off the device and turn it on again
 

Forcing restart

If your device is frozen and unresponsive, press and hold the Power key and the Volume Down key simultaneously for more than 7 seconds to
restart it
 

Resetting the device

If the methods above do not solve your problem, perform a factory data reset


Launch the Settings App and tap General management > Reset > Factory data reset > RESET > DELETE ALL. Before performing the factory data reset, remember to make backup copies of all important data stored in the device

Calls are not connected

• Ensure that you are not covering the built-in microphone

• Ensure that the microphone is close to your mouth

• Ensure earphone is properly connected during usage

Callers are not able to hear your voice

• Ensure that you are not covering the built-in microphone

• Ensure that the microphone is close to your mouth

• Ensure earphone is properly connected during usage

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

• 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 will increase when you use certain features or apps, such as GPS, games, or the Internet

• The battery is consumable and the useful charge will get shorter over time

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, visit 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

Bluetooth is not working well

If another Bluetooth device is not located or there are connection problems or performance malfunctions, try the following:

• Ensure that the device you wish to connect with is ready to be scanned or connected to

• Ensure that your device and the other Bluetooth device are within the maximum Bluetooth range (10 m)

• On your device, launch the Settings App > Connections, and then tap the Bluetooth switch to re-activate it

• On your device, launch the Settings App, > General management > Reset > Reset network settings > RESET SETTINGS to reset network settings. You may lose registered information when performing the reset
 

If the tips above do not solve the problem, visit a Samsung Service Centre

A connection is not established when connecting 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

There is not enough space in the device’s storage

Delete unnecessary data, such as cache, using the device maintenance or manually delete unused apps or files to free up storage space

The Apps button does not appear
on the Home screen

Without using the Apps button, you can open the Apps screen by swiping upwards or downwards on the Home screen. To display the Apps button at the bottom of the Home screen, launch the Settings App and tap Display > Home screen > Apps button > Show Apps button > APPLY

The Home button does not appear

The navigation bar containing the Home button may disappear while using certain Apps or features. To view the navigation bar, drag upwards from the bottom of the screen

The screen brightness adjustment bar does not appear on the notification panel

Open the notification panel by dragging the status bar downwards, and then drag the notification panel downwards. Tap Tick icon next to the brightness adjustment bar and tap the Show control on top switch to activate it

Samsung Cloud does not work

• Ensure that you are connected to a network properly

• During a Samsung Cloud’s service check, you cannot use Samsung Cloud. Try again later

The device does not recognise my irises from the locked screen

• Ensure that nothing obstructing the iris recognition camera and LED and try again

• If light conditions are very different from when you registered your irises, the device may not recognise your irises. Move to another location and try again

• Ensure that the device is not moving or tilted too much

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