Aluratek AEBK08FB - Manual (Page 14)

Chapter 1: Basics
9

To remove the MicroSD card, push the MicroSD card until it
clicks and it will eject from the card slot.

When a MicroSD card is inserted in or ejected from the Libre
Touch, it may take few seconds for the Libre Touch to update
the content.

Please avoid inserting or ejecting the MicroSD card when
other operation is running as this may cause the system to
hang.

Do not remove the MicroSD card if the content inside the card
is being played. This will halt the operation of the reader and
cause the reader to restart.

If the system is not responding, press and hold the <Power>
button for 6 seconds to reset and turn it off.
Limitations with NTFS file system:

If a MicroSD card is formatted with an NTFS file system, books
on the MicroSD card are not recognized by ADE when
connected to PC.

Direct copy of files from internal memory to card is not
supported.