RSAG7.820.7918 is a 4K Smart UHD LED TV Board with 3840×2160 Resolution. It may support 55 inch Screen Panels. The Operating system is Android OS and it has a Latest version that is Android VIDA U2.5.This Board that is a Good and high-performance CPU. RSAG7.820.7918 Firmware is also a USB Updateable, it can be easily installed using the USB flash Disk Drive. This board Firmware files are linked below & ready to download.