1. SIM card with notch facing downwards.
2 . Pay attention to the position of the chip.
3 . Insert the SIM card into the card slot.
4 .If the SIM card is installed properly, a clear clicking sound can be heard.

1. SIM card with notch facing downwards.
2 . Pay attention to the position of the chip.
3 . Insert the SIM card into the card slot.
4 .If the SIM card is installed properly, a clear clicking sound can be heard.
