Vid = 346d Pid = 5678 Firmware ((new)) Download Jun 2026

: Identified as Shenzhen SanDiYiXin Electronic Co., Ltd.

The USB identifiers and PID = 5678 typically correspond to generic USB flash drives often manufactured by Shenzhen SanDiYiXin Electronic Co., Ltd or associated with the FirstChip controller series (specifically models like the FC1178BC ). Understanding Your Device vid = 346d pid = 5678 firmware download