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Calls are not available
• Ensure that there is no dialing error.
New network is not au-
thorized.
• If new SIM card is inserted, check for new restrictions.
• If pre-paid charge reached its limit, contact service provider.
Phone cannot be switched on
• Ensure to press
the Power button for at least two seconds.
• Charge battery. Check the charging indicator on the screen.
Charge has error
• Outside temperature is too hot or cold. Charge the battery.
• Ensure that phone is charging at a normal temperature.
• Check the charger and its connection to the phone.
• Plug the charger into a different socket.
• Ensure that charger is not defective. If so, replace the charger.
• Use only original accessories.
Impossible to receive or send SMS and photos
Ensure that the storage is sufficient. Delete some messages in
your phone.
Files can not be opened
Check the supported file formats.
Screen does not light up when receiving a call.
• If you use a protection tape or case, ensure that it has not
covered the area around the light sensor.
• Ensure that the area around the light sensor is clean.
Phone has no sound
Check the settings status in the sound menu to ensure that the
