available: copying, moving, deleting, creating files, or setting
melodies as phone ringtones
Troubleshooting
Following recommendations may help to solve some
problems with phone independently. In case problems occur,
try to solve it yourself with following recommendations. If
problem is not solved, contact to Sigma mobile service center.
Check whether battery is charged and whether problem
continues after device reset.
Try to restore factory settings through menu «Settings -
phone – Default settings» (password by default – 1122)
Problems with memory card mostly occurs in case of memory
card breakage. Thus, firstly check given card separately. Also
recommended to: take off and insert memory card in port,
check whether card is put in port correctly, reload phone.
Phone does not power on: check battery charge, repeatedly
connect charging device, and wait at least 10 minutes. Press
and keep the button «Power on» not less than 5 second. If
device does not power on contact in service center.
Battery discharges rapidly: reasons for increased battery
charges may be: low air temperature, active using of media
programs, huge distance to cellular tower of connection
operator.
Battery does not charge: check charging adapter connection
to plug. Use only complete charging adapter and cable.
Impossible to call: this problem may be caused by law
connection signal, network overloading, incorrect input of
Summary of Contents for X-treme ST68
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