Depending on your specific industry, "TCS" might refer to different systems that use similar download formats:
If your interest is in formal publications by , they publish various high-level white papers on their Software Product Engineering portal. Recent topics include: download-cstool-tcs-zip
This is a professional software package used by mobile technicians to flash, unlock, and repair firmware on MTK (MediaTek), SPD (Spreadtrum), and other chipset-based devices. Depending on your specific industry, "TCS" might refer