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Message Possible causes Possible Corrective Measures
Files not open
Unsupported file
format
Check the file format that can be
supported
SD Card not
working
FAT 16 file system
supported only
Check SD card file system via card reader
Or format SD card using phone
No Sound
Vibration or
manner mode
Check the setting status of sound menu
to make sure you are not in vibrate or
silent mode.
Hang up or
freeze
Intermittent
software problem
Remove and re-insert battery.
Turn on the phone.
If the phone is locked and does not work,
press and hold the Power/Lock key for
10 seconds to turn it off. Then, press the
Power/Lock key again for 3 seconds to
reboot the phone.
Try to do a software update service via
the website.