: Many newer iPads (e.g., iPad Pro 11-inch 1st gen or later) use eSIM technology, which is built into the device and does not require a physical card.
: Place the card in the tray (it only fits one way due to a notched corner) and slide it back in until flush. buy apple sim kit
Before buying, verify if your device requires a physical Apple SIM: : Many newer iPads (e