Insert/Remove Card - Samsung Galaxy S III User Manual

To delete files on a memory card using the device, follow these steps:
1. From any Home screen, tap the Apps icon.
2. Tap My files.
3. Tap extSdCard. (External memory card)
4. Navigate to the desired folder and file.
5. Touch and hold on the file.
6. Tap Delete.
7. Tap OK.

Insert/remove card

Insert
To insert the memory card, follow these steps:
1. Remove the back cover using the notch located at the top of the phone.
2. Pull the back cover up and away from the phone.
3. Insert the memory card into the slot with gold contacts facing down (toward front of phone).