Typically installed via USB by placing the extracted .bin file on a FAT32 formatted drive and holding the power button while plugging the TV in.

This specific file is a firmware update part for the , which uses the LDD.H510.B138 main board and supports a 4K (3840x2160) resolution. Key Specifications Device Model: Magic 55H5500 Main Board: LDD.H510.B138 Resolution: 3840 x 2160 (4K UHD)

Because this is a multi-part archive, you must download (Part 01, Part 02, etc.) into the same folder before extracting them.

Open the back of the TV to confirm the board model is exactly LDD.H510.B138 .

Technicians frequently share these files in specialized "LCD/LED TV Software" channels like Hashmi Telecom . Installation Warning