This board is common in budget and mid-range UHD TVs (like Elekta, Sanyo, and other OEM brands) and features: : Native 4K Ultra HD.
: Unlike standard USB firmware updates, an eMMC backup is a "raw" clone of the chip. It is typically written using specialized hardware programmers like the RT809H or UFPI . Hardware Specifications of CV638H This board is common in budget and mid-range
When an Elekta TV is stuck on the boot logo, restarting constantly, or showing a black screen, the internal eMMC (embedded MultiMediaCard) storage has likely become corrupted. or showing a black screen