Solution: Unmount and Mount SD Card
- Head to “Settings” on your device and open “Storage”.
- Scroll down for the “Unmount SD Card” option and tap on it. Confirm the decision by hitting on “OK”.
- unmount sd card
- Take the SD card out and turn off your device.
- Insert it again and power on your device.
- Go to “Settings” followed by “Storage” and then tap on “Mount SD Card”.
Regards,
Peter