Firstly, insert the card retrieval needle vertically into the small hole on the card holder to pop out the card holder. Then, remove the card holder and place the SIM card’s gold contacts downwards into the card holder. Gently press down on the card holder to secure it, and finally reinsert the card holder into the slot. as follows:
1. Insert the card needle into the small hole on the card tray and eject it, ensuring that the card needle is perpendicular to the hole, otherwise it may damage the equipment.
2. Gently pull the card tray out of its slot.
3. Place the gold contacts of the SIM card downwards into the card holder. If there are two SIM cards, please place them in slot 1 and slot 2 respectively.
4. Lightly press the SIM card to secure it onto the card holder. If the card is not completely fixed on the card holder, it may cause the SIM card to pop out or fall off from the card holder.
5. Insert the card tray back into the slot.
