Audio
Firmware
Update
Process
for
Insignia
Models
NS
‐
22E455C11
1.
IMPORTANT: Please completely read these instructions prior to starting your
update process.
2.
Determine the proper Rev id by looking at the sticker on the side of the TV (see photo
below) and write down the Model and Rev id for use later in this process. Below is an
example.
3.
Insert USB drive to your PC or Mac
4.
USB drive being used must not have any folders or additional files on the device.
5.
Download the firmware that matches the Model and Rev id of your TV.
6.
To download firmware click on the
“
Support/Downloads
”
tab; then locate the
corresponding Rev id of your TV.
7.
Click on the firmware link titled
“
Audio Update Rev A
”
when the pop up box appears
select
“
Save
”
and choose the destination of your USB drive.
a.
Note: Do
NOT
change the name of the file.
b.
Note: This file is <6 Megs in size; download time should be less than 2 minutes.
8.
Verify the file is on your USB Drive; if your USB drive shows a folder; copies all files
from the folder to the root directory of your USB drive, then delete the folder.
9.
Once down load is complete safely remove your USB drive.
10.
Disconnect the AC power from your wall outlet for the TV
11.
Insert USB device into the SERVICE or USB PORT; located in one of 3 places, back,
side or bottom. The correct port will be labeled either Service or Service/USB. See photo
below
