VIZIO M-Series 5.1.2 Firmware Update to cure connectivity problems

If you're having problems with. your Vizio M51a-H6, M512a-H6, and M51ax-J6 SoundBar, a good place to start is making sure the firmware is up to date.
You can download the latest Firmware version here:
https://support.vizio.com/s/article/M51a-H6-and-M512a-H6-Firmware-Information?language=en_US