HTC One SV User Manual page 11

11 Unboxing
3. With the SIM card's gold contacts facing down and its cut-off corner facing in,
insert the SIM card all the way into the SIM card slot.
4. Push the SIM card in until it clicks into place.
Removing the SIM card
Make sure to switch off HTC One SV before removing your SIM card.
1. Take the back cover off.
2. Remove the battery.
3. Push the SIM card in to eject it from its slot, and remove it.