Download Ms3458 U801 3840x2160 Vios Tv49174k Rar May 2026

(and compatible models using the same motherboard). This update is typically used to fix "stuck on logo" issues or system crashes.

: If your TV is still functional and connected to the internet, you can try checking for updates through Settings > Admin & Privacy > Check for Updates (menu layouts vary by brand/region). Download MS3458 U801 3840x2160 Vios TV49174K rar

: Once the standby light begins to flash rapidly or an "Upgrading" screen appears, release the button. Do not turn off the TV during this process. (and compatible models using the same motherboard)

The firmware you are looking for, , is specifically designed for the Vios TV49174K : Once the standby light begins to flash

: Use a USB drive (8GB or smaller is often most compatible) and format it to FAT32 .

Do you have the (often printed on the green PCB) to double-check this firmware's compatibility? How to Update Your Vizio TV Software

: Press and hold the Power button on the TV (not the remote) and plug the TV back into the power outlet while still holding the button.