With wifi, electronic devices are more open when accessing many applications, downloading applications on the application store, easily searching and looking up information on the Internet, including Sony Smart TV. Please refer to this article of ours to know how to connect wifi on Sony TV!
How to connect wifi for Sony Smart TV
Step 1: Select the Home button on the TV remote control

Step 2: Select Settings gear icon on the right corner of the TV screen

Step 3: Select Network and Internet

Step 4: Select turn on Wifi and select the wifi name you want to connect to -> Enter password

Step 5: Select the network application to check if your TV has successfully connected to wifi.

With the simple steps above, you can completely connect wifi to Sony TV yourself without needing the help of a TV repairman, helping you save money and time. Good luck!