![background image](http://html1.mh-extra.com/html/viewsonic/vs15197/vs15197_service-manual_1021466136.webp)
6.
Check
the
region
command
listed
in
the
bottom
of
this
document.
7.
Execute
the
cmd
command
from
RUN
to
open
up
Command
prompt
window
8.
Type
“
adb
devices
”
to
make
sure
the
USB
connection
is
OK.
You
will
find
there
is
a
device
displayed
under
the
“
List
of
devices
attached
“
9.
If
your
region
is
VSD241
‐
WTA
‐
US0,
please
type
“
adb
shell
mmc_access
w_region_apk
en_US
64
”
(Enter)
10.
Process
adb
reboot
forced
‐
recovery
step
again
and
update
to
use
r
build
image.
11.
Go
to
the
NVFlash_xxx
folder
and
execute
nvflash400_1G_
user
.bat
for
image
update.
135
Confidential - Do Not Copy
ViewSonic Corporation
VSD241/SD-A245/CDS245
Summary of Contents for VS15197
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