How do I insert my SIM card / and SD Card?

The S42 only accepts Nano SIM card. To insert it:
1. Place your device on a flat surface with the display facing upwards and open the SIM protective cover.
2. Use your fingernail to pull out the SIM tray.
3. Put the Nano SIM card in the SIM tray on the tray guide with gold pins facing downwards. There are two slots for allowing for two SIMs to be inserted. If only using one SIM, insert it into the middle slot (between the SD card and the last SIM slot on the tray)
4. Insert the SIM tray back into the SIM card slot and ensure the SIM protective cover is completely closed.