Insert SD card->Into Drop down status bar->Click the “SD card” notification ->touch “Portable storage” ->touch “Done”. Then go to “Settings” -> “Storage” ->Select “SD CARD” in the selection box, and then you can browse the contents of SD card, such as downloads, music, pictures, etc.
Note: This Q&A question is only applicable to devices with TF card slot.
Available settings and menus may vary depending on device model and software version.