1、Application: This sim card holder is suitable for the replacement sim card tray or memory card slot for Xiaomi Redmi Note 9. Please check the phone model before purchase. 2、Function: This sim card tray holder can be used to replace a damaged sim card tray or memory card slot. Just replace this one small part and your phone will start to use again. 3、Matching Tool: This sim card holder set contains one sim card tray, one eject pin and one brush. The complete replacement tool makes your operation more convenient and easy. 4、Durable Material: The sim card holder is made of premium plastic material, which is compact, lightweight and durable. It can be used for a long time. 5、Perfect Fit: This sim card tray is well made, and its size and slot size are accurately processed. It will fit perfectly in your phone's card slot.