HTC Windows Phone 8S User Manual page 12

12 Unboxing
Unmounting the storage card
When you need to remove the storage card while your phone is on, unmount the
storage card first to prevent corrupting or damaging the files in the storage card.
1. On the Start screen, slide to the left.
2. Tap Settings > phone storage.
3. Tap SD card > remove SD card.
Removing the storage card
1. Take the bottom cover off.
2. Push the storage card in to eject it from its slot.
3. Slide the storage card out from its slot.