When you insert an optional microSD card for the first time, it is recommended that you format it on your phone.
Note: Formatting an SD card permanently erases all data stored on the card. It is recommended you back up any card contents to your computer before formatting the SD card.
- Tap > Settings > General tab.
- Tap Storage.
- Tap SD card.
- Tap > Storage settings.
- Tap Format > FORMAT.
- All data on the microSD card is erased, and the card is formatted for use on your phone.