Samsung GT-I9305 Quick Start Manual page 11

2. Insert the SIM or USIM card with the gold-
coloured contacts facing downwards.
Do not insert a memory card into the SIM card
slot. If the memory card becomes lodged in
the SIM card slot, you must take your device to
a Samsung Service Centre to have the memory
card removed.
10
3. Insert the battery.
4. Replace the back cover.