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Update the firmware of GV-370
Step 1:
Unzip the “NK.nb0.zip” and you will get the file named “
NK.nb0
”.
Step 2:
Copy “
NK.nb0
” into a SD card.
Step 3:
Insert the SD card into GV-370.
Step 4:
Press and hold the power
button, don’t let go.
Then, click
the
Reset
button one time.
Step 5:
You are still
pressing and holding
the power button.
Now look at the
screen, it will show
some text message
when the update
process is on going. If
you see the message
shown on the screen,
then you can release
the power button.
Step 6:
When the update process is finished, you will be asked to press the
Reset
button to restart the device.
