Following recommendations may help to solve some
problems with phone independently. In case problems
occurs 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
contact number, activated function of calling prohibition. Try
to change location, check level of connection signal, wipe
phone to factory reset. Contact in service center.
Low receiver volume: during conversation, press button «up»
to increase volume. Set volume during conversation in
profiles. Check signal of cellular connection.
