58
Data account
User can edit detailed settings for each predefined account.
6. Common Problems & Troubleshooting
Before contacting the after-sales service provider, conduct the
following simple checks and this may save your unnecessary
time and expense on repair.
Common
Problems
Cause & Troubleshooting
Unable to
start the
mobile
phone
Check whether you hold the start key for at
least 3 seconds.
Check whether the battery is in poor state.
Please remove the battery, install it again,
and try to restart it.
Check whether the battery has run out of
power, and if yes, please charge the battery.
Unable to
connect
network
Weak signals. Please retry in a place with
strong signals.
Beyond the network coverage of your
network operator.
Invalid SIM card. Please contact your
network operator.
Display
messages
at start
Check whether the SIM card has been
correctly inserted.
Locked. You have selected the automatic
locking function, and entering the mobile
phone password before using it.
Enter PIN. You have selected the option of
