Use the Storage & USB menu to monitor the used and available space in your phone.
DEVICE STORAGE
Total space: Displays the total amount of space in the phone’s memory. It’s listed in Gigabytes and also on a colored bar graph with a colorcoordinated list of the apps as well as the amount of space they use. Remaining memory space is gray-colored.
PORTABLE STORAGE
Total space: Displays the total amount of your external memory.
: Allows your phone to unmount the microSD card to safely remove it from the phone.
To format the memory card, tap SD card > Menu icon > Settings > Format.