Dell Inspiron 15z Owner's Manual page 12

4 Slide your SIM card into the SIM-card holder.
NOTE: Ensure the SIM card is placed correctly in the SIM-card holder.
5
Push the SIM-card holder back into the SIM-card slot.
2
1
1 SIM-card slot
3 SIM-card holder
12
| Installing the SIM Card (Optional)
3
2
4
4
SIM-card slot pin-hole
SIM card