Plug the USB drive into the (usually the white or black one, not the blue 3.0 port).
Open the back of the TV and verify that the board printed number is exactly CV960XH-A50 . Download CV960XH A50 3840x2160 Magic55 Update part20 rar
Ensure the firmware is for the 3840x2160 resolution. Flashing a 2K (1080p) file onto a 4K panel will cause a boot loop. Plug the USB drive into the (usually the
The CV960XH-A50 is a versatile motherboard used by various global TV brands (often appearing in 50-inch to 65-inch 4K UHD models). Because these boards are "universal," the firmware is highly specific to: 3840x2160 Download CV960XH A50 3840x2160 Magic55 Update part20 rar
Flashing the wrong firmware can "brick" your motherboard, turning your TV into a very expensive paperweight.