HTC One M8 for Windows - Manual (Page 24)

2. Insert the tip of the tray eject tool into the tray eject hole next to
the nano SIM card slot.
3. Push the tip all the way into the hole until the card tray ejects.
4. Pull the card tray out, and remove the nano SIM card.
5. Make sure that you insert the empty card tray back into the slot.
24 Unboxing