If you are looking for the specific multipart RAR file for Solstar, technician support sites and firmware repositories often host these files:
3840x2160 firmware including SmartBook and FujiCom versions. Download CV538H 3840x2160 Solstar part01 rar
Format a USB drive to FAT32 and copy the extracted CtvUpgrade.bin file to the root directory. If you are looking for the specific multipart
Insert the USB into the TV's USB port. You can typically trigger the update by: Navigating to Settings > Support > Software Update . Download CV538H 3840x2160 Solstar part01 rar
The is an intelligent 4K network driver board often used in Solstar and other smart UHD TVs with a resolution of 3840x2160 . Firmware & Specifications