You can update your TV using two primary methods. Before starting, check your current version by going to Settings > System > About > System Software Update Method 1: Automatic Update (Recommended)
Sony KDL43W800C 43" 109cm Full HD Smart 3D Android LED LCD TV. Appliances Online New Firmware Update for android TV 2015. - Sony - Community firmware sony 43w800c
Historically followed a similar path, with PKG6.8160 being a benchmark version for similar Android TV series from that era. Key Features & Improvements You can update your TV using two primary methods