18TV001R1
GN3UN_KC
Subject: WiFi / Wired network connection doesn’t work, USB not working [REVISION 1].
SYMPTOM
TV cannot connect to Wi-Fi or wired network.
Network application like YouTube not working.
USB not working.
CAUSE
Data corruption.
SOLUTION
Update with the forced USB update, by following the abridged procedure below.
1. Download and unzip the applicable file attached to this Technical Bulletin and copy the extracted file to the root of an empty USB stick.
sony_fwservice_2017_8535_uceub_service
