Sc6531e Usb Driver Exclusive Jun 2026

Article last updated: October 2025. The SC6531E is a legacy product; for new designs, consider Unisoc’s more modern SC7701E or SC7731E.

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Modern operating systems have moved on. The SC6531E’s USB interface often presents itself as a proprietary Spreadtrum DIAG (Diagnostic) port or a USB Serial converter. Microsoft’s inbox drivers do not recognize the vendor ID (ID 1782) or product ID (ID 4D00) associated with these chips. sc6531e usb driver