Hisense U3 User Manual page 40

• 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
char-ger.
• 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 cannot 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.
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