By default, Sony Bravia TVs are set to check for and download updates automatically when connected to a stable Wi-Fi or Ethernet network. How to perform a software update on your TV | Sony USA
Updating your Sony Bravia TV firmware ensures you have the latest security patches, performance enhancements, and new features. Most modern models, including Google TV and Android TV versions, can receive these updates automatically over the internet. Standard Internet Update (Easiest) How To Update Firmware Sony Bravia