Đặt thẻ nhớ SD ở đúng vị trí. Tìm vị trí của khóa trượt. Mở khóa thẻ nhớ SD.

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Place the SD card on a flat surface with the label facing upward. Doing so will help you find the lock switch for the SD card. If you are using a micro- or mini-SD card, insert it into an SD card adapter, and place the adapter label-up on a flat surface. It should be on the upper-left side of the SD card. The lock switch is typically a small white or silver tab that protrudes from the left side of the SD card. Slide the lock switch toward the gold connectors at the bottom of the SD card. This turns off the SD card's write protection and enables you to store files and data on the card.