Updated info September 10, 2022
How can I play .mp4 files on my TV via a USB flash drive?
You might like to read the responses to the above question by clicking the above link
=======================
Some people have problem streaming videos:
Here is some info that might be helpful:
Sonly model ADL55W800B TV
Sony model ADL55W800B plays the following files:
MPEG1/MPEG2PS/MPEG2TS/AVCHD/MP4Part10/MP4Part2/AVI(XVID)/AVI(MotinJpeg)/MOV/WMV/MKV/WEBM/3GPP/MP3/WMA/WAV/JPEG/MPO/RAW(ARW)
INPUT AND OUTPUT TERMINALS
MHL; AC adapter; RF connection input(s) (1 bottom); composite video input(s)(1 rear/1 rear hybrid w/component); component video (Y/Pb/Pr) input (1 rear/hybrid); HDMI™ connection(s) (1 side/3 bottom); analog audio input (2 rear); digital audio output (1 rear); audio out (1 side/hybrid w/HP); headphone output (1 side/hybrid w/audio out); subwoofer out (1 side/hybrid w/HP and audio out); USB (2 side); Ethernet connection (1 rear); HDMI™ PC input
The online manual
https://www.sony.com/electronics/support/res/manuals/4536/45361151M.pdf