: Native support for 3840x2160 (4K UHD) output.
unit from retailers like KitBazar or Alibaba , the correct firmware must be flashed to match the specific LCD panel being used. Download CV638H B50 3840x2160 MKL part3 rar
: Resolve issues where the TV is stuck on the manufacturer logo. Restore Functionality : Native support for 3840x2160 (4K UHD) output
: Features integrated 2.4GHz/5GHz dual-band WiFi , Bluetooth 5.2, and multiple HDMI 2.0b ports. and multiple HDMI 2.0b ports.