Other peculiar symptom is no data and files are contained within directories. Other related symptoms that often accompany missing or disappearing SD memory card where the device treats the card as is doesn’t been inserted or existed are including the memory card does show up in File Explorer folder tree but reported as having no free space, or the data on the memory card appears to be corrupted and causing the whole device system to hang and not responding when programs, such as camera, tries to access, write or read from the card. However, sometimes, user may found that the SD memory card that been inserted into the mobile device card slot been disappeared and no longer been detected suddenly, especially after device wakes up from suspend or sleep state, even though seconds ago the SD card is still working properly.

Windows Mobile Pocket PC (PPC) Phone smartphone device accepts an external SD memory card to expand the storage memory so that user can install large amount of applications and data especially program taken up big size of memory space such as GPS navigation device.

Windows phone sd card