Sony KDL-32L4000 Service Manual page 28

Settings
Auto Software Update
With the latest software upgrade, you can use the product in a stable
environment.
The projector must be connected to the Internet.
The Firmware Update pop-up window only appears on the Home screen.
When the above pop-up window appears, click OK to proceed with the
update.
Update is done and after the Reboot, update is completed.
- CLASS 1 LASER PRODUCT -
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