IMPORTANT: This article only applies to specific products. Please check the Applicable Products of this article.
There are various factors like connection and server errors that may prevent the television to complete the software update from being downloaded properly from the website. In addition, downloading a software update requires a stable high-speed internet connection. A slow internet connection can cause the update to take a long time to complete or to fail completely.
To help avoid this issue, try the following:
Use a USB flash drive
Download the software update from the Sony support website and save it to a USB flash drive, then install it on your TV.