![background image](http://html2.mh-extra.com/html/samsung/sm-g390f/sm-g390f_manual_4750892123.webp)
Appendix
123
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.
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.