While plug the SD card if the card can not slide smoothly to the end, do not enforce to
push it, which might damage the memory card & the unit.
Check if the card is plugged into with the right side.
While take out the SD card, push the card first gently then pull out it after the card
latch inside the unit was lose. If the memory card is inserted in the wrong direction,
the card can not be pushed completely into the bottom of the slot, please do not push
hard to avoid damaging the card and the device.
NOTES