Create a backup of your Android contacts on your SD card or Gmail account following the steps given here.

Now go back and select Import/Export from the menu. Choose ‘Export to SD card’ and your contacts’ details will be saved to the external memory.

Learn how to backup your apps, contacts, important files, pictures and others from your Samsung Galaxy J5 and restore them later.

This article runs through how to move apps to an SD card in Android, just in case you'd like to free up space on your smartphone for more important things.

Running out of space? You can move apps to SD card on Android. Let's show you how to do this and help you take control of your device!

Click the small icon of an Android phone above the File Explorer window. Find files to copy to the SD card image in the pop-up file browser. Double-click files to add them to the disk image.