Because firmware files are often split into multiple "parts" (like part1, part2, etc.) to accommodate file size limits, you must download from the same source to successfully extract the final .img or .bin file.
Give a look here. Anyway i can download the file you were referring to. Software TCL U58S7806S - HDForum Download NT67F02 LF1V498 part5 rar
: Technical communities like Elektroda and HDForum are common places where users share specific older versions like LF1V498. How to Install the Firmware Because firmware files are often split into multiple