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HUAWEI MC850/MC851 Media Phone User Guide 15 Troubleshooting
79
Your service provider may not support the service. Please contact your service
provider.
Symptom: An error message is displayed when you import files from an external
device to the local folder.
The memory of the base unit is not sufficient. Make sure that the size of the files to
be imported does not exceed 400 MB.
Symptom: The media files stored on an external device cannot be played on the base
unit.
The format of the media file may not be supported by the player in the media phone.
(For details, see "Playing Multimedia Files on the Media Phone" on page 35.
Symptom: A file stored on the external devices cannot be played fully.
The format of the file may not be supported by the media phone.
Symptom: The alarm does not ring.
The volume level may be set to 0.
Symptom: The external storage device cannot be identified.
The media phone supports only the USB flash drive and the microSD card, and it
does not support using other devices as USB devices.
Symptom: A message saying NOT SUB or Searching is displayed on the LCD of
the handset.
The handset is not properly registered to the media phone, please re-register. (For
details, see "Handset Registration" on Page 57.)
If you encounter faults that cannot be rectified, please contact your service
provider for help.