Shenzhen
Ultrative
Technology
Co.,
Ltd.
T:
+86
‐
755
‐
29685231
E:
http://www.ultrative.cn
|
com
Add:
012#,
5/F,
Block
A,
Hedong
Bldg.,
Liutang
Rd.,
Xixiang
St.,
Bao
An
District,
Shenzhen,
China
Page
47
of
54
If
you
want
to
add
a
Ban
List,
you
just
ought
to
click
‘Add
Ban
List’.
You
can
edit
an
existed
Ban
List
by
click
.
You
can
delete
an
existed
Ban
List
by
click
,
if
you
want
to
delete
all
Ban
List,
you
just
ought
to
click
’Delete
All
Ban
List’.
You
can
edit
or
move
this
contact
to
Contact
after
you
select
.
8
Phone
Maintenance
8.1
Basic
NOTES:
Don't
cut
off
the
electricity
or
network
cable
when
doing
upgrade
in
the
below
ways!
8.1.1
HTTP
Upgrade
You
can
upgrade
the
software,
kernel
and
configuration
etc.
files
by
HTTP.
All manuals and user guides at all-guides.com