Reinstall apps from the TV app store and reapply picture/sound presets.
Step 2: Prepare the USB Drive
Q: What if the software update fails? A: If the update fails, try restarting your TV and checking for updates again.
Connect diagnostic interface to head unit.
Load update package from USB (FAT32).
Select “Update” in engineering menu.
Wait for reboot (progress bar completes).
Verify version in system info.
System Speed:
Updates often include "under-the-hood" optimizations that make navigating menus feel smoother. How to perform a software update on your TV - Sony UK viano tv software update