Samsung SM-G889YB/DS User Manual page 24

Basics
1
Turn the screw anticlockwise with a coin or other objects to unlock the back cover, and
then remove the back cover.
2
Pull out the battery.
3
Insert a memory card with the gold-coloured contacts facing downwards.
4
Insert the battery.
5
Replace the back cover.
Align.
1
24
2
Press.