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• Use User Data Update Tool for formatting and mobile phone format or
software upgrades. All users phone data: contacts, photos, messages and
files, downloaded applications, such as APK games will be lost
permanently. Strongly recommended before formatting and upgrading
through PC Suite full backup phone data and files.
Make the following checks
：
No reaction or cell phone will not turn on
• Check the battery charge, charge for at least 20 minutes
• If the above does not work, please use User Data Form
at to reset
Phone for a few minutes without any reaction
•
Long press the power button to restart a mobile phone
Phone turns itself off
•
Check whether the keyboard is not in use when the phone is locked to
ensure that no long press to unlock the power button.
•
Checking the Battery Charge
Phone does not charge properly
• Be s
ure to use the battery and charger box
• Make sure the battery is not fully discharged. If the phone battery is
fully charged, the phone charge indicator may take 20 minutes or so
before starting to show.
• Ensure that under normal conditions (0 °C to +40 ° C) Charging
• When abroad, check the electrical current is compatible
Phone is not connected to the network or display
＂
No Service"
• Try connecting in another location
• Consult the
operator to verify network coverage
• Verify with your operator SIM car
d is valid
• Try selecting the available network
• If the network is too busy, try connecting at a later
Phone can not access
• Check the IMEI number (press * # 06 #), or whether the w
arranty card
number printed on the packaging line
• Make sure the SIM ca
rd is connected to the network is available
• Check the mobile network connection settings
• Make sure you are in the coverage of network services
• Try again later or try another loca
tion
SIM card error
• Make sure the SIM card has been correctly inserted
• Make sure the SIM card's metal piece is not damaged or scratched
• Make sure the SIM card service available
Can not make calls
•
Make sure you have dialed a valid number
• For inter
national calls, check the country code and area code is correct
