update the firmware/software on your JVC Smart TV LT55N935:

1. Go to the JVC website or visit their support page.
2. Look for the “Support” or “Downloads” section.
3. Enter the model number of your TV (LT55N935) and search for firmware/software updates.
4. If any updates are available, download the latest firmware/software file onto a USB flash drive.
5. Insert the USB flash drive into the USB port on your JVC Smart TV.
6. Access the TV’s settings menu and navigate to the “System” or “Software Update” section.
7. Choose the option to update the firmware/software from the USB drive.
8. Follow the on-screen instructions to complete the update process.

If you encounter any difficulties or if specific instructions are not available, I recommend reaching out to JVC’s customer support for further assistance.