realme phones need to use Nano-SIM card (small card). The card removal pin will be given when you buy a new phone. Insert the card removal pin into the card holder and the card will automatically pop out. Take out the card and place the SIM card prepared in advance. Drag the card to the original position, the details are as follows:
1. For the method of installing the SIM card in the double card slot on the front and back, both SIM1/SIM2 need the chip to face up.
2. Parallel dual SIM card slots installation : the SIM 1/SIM 2 chip is facing down.
3. Parallel dual SIM card slot + TF expansion card slot installation：SIM 1/SIM 2 chip facing down, memory card chip facing down.
4.The slot shared by the Nano-SIM card and the Micro SD card：with the SIM 1/SIM 2 chip facing down, or the SIM 1/memory card chip facing down.
The slot shared by the Nano-SIM card and the Micro SD card: The Nano-SIM card and the Micro SD card share a card slot, which can install the SIM card and the memory card at the same time but the two cards cannot be used at the same time.