: You cannot extract the firmware using only "part5.rar." You must have all parts (Part 1 through Part 5) in the same folder to successfully combine and extract the final binary ( .bin ) or update file.

chassis, which is an integrated "three-in-one" (power, backlight, and logic) motherboard.

motherboard . This motherboard is a common high-definition 4K Ultra HD smart TV driver board used in various television brands such as Sanyo, Thomson, and Croma.

: Typically runs a version of Android (e.g., Android 4.4.4 or higher depending on the revision).

The name indicates that the full firmware package has been split into at least five compressed RAR volumes.