Firmware files are rarely found on official manufacturer sites once the model is older. Most users rely on the TCL C48P1FS thread on 4PDA (requires an account for downloads) or community mirrors. Installation Warning
Primarily the TCL C48P1FS and L48P1FS Android TVs. Download MT56552 LF1V105 part05 rar
The file is a specific segment of a multi-part firmware archive for TCL Smart TVs, specifically models like the TCL C48P1FS and L48P1FS . Firmware files are rarely found on official manufacturer