7 4
strength and select
the place with the
strongest signal to
make a call and
ensure better call
quality.
Send
text
message
failed
Error text message
service center
Change
to
the
correct
service
center number
The
battery
can’t
be
charged
1.Battery
or
charger has been
damaged
2. The surrounding
temperature is too
low or too high
1. Contact one of
our
maintenance
centres.
2. Make sure the
phone is charged in
a
normal
temperature.
Lack
of
space
The my document
file
/messages
/contacts
are
Delete unnecessary
files or contents