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
A "Part 20" file indicates that the full firmware image (likely 1.5GB to 2.5GB) has been split into small chunks for easier uploading on forums like , Telegram TV Groups , or Soft4Led . Download CV960XH A50 3840x2160 Magic55 Update part20 rar
Plug the USB drive into the (usually the white or black one, not the blue 3.0 port). The CV960XH-A50 is a versatile motherboard used by
Hold down the on the TV cabinet (not the remote). Plug the power cord back in while holding the button. Hold down the on the TV cabinet (not the remote)
Ensure the firmware is for the 3840x2160 resolution. Flashing a 2K (1080p) file onto a 4K panel will cause a boot loop.