Got it

Websites like Kazmi Elecom or Lab-ST often host archived firmware for specific Haier models. You will need to download all parts (part01, part02, etc.) into the same folder before extracting.

Use a FAT32-formatted USB flash drive (preferably 8GB or smaller).

If you can tell me the or the Main Board Number (e.g., TP.MS338.PB801), I can help you find a verified link for the complete file. Haier TV: How to Update