1. Open the phone desktop and select Settings.

2. Find "Storage" in the settings.

3. Click "Default Memory Card Settings" in the memory.

4. Click, and then select the external memory card.

Extended data

SD memory card is a new generation storage device based on semiconductor flash memory. It is widely used in portable devices such as digital cameras, personal digital assistants (PDA) and multimedia players because of its excellent characteristics such as small size, high data transmission speed and hot plug.