qd1050w550avt64us.exe April 28, 2014 Operating system Windows 8 File type Driver Version 5.50a 64-bit
qd1050w550avt64us.exe April 28, 2014 Operating system Windows 7 Windows Vista File type Driver Version 5.50a 64-bit
qd1050w550bus.exe April 28, 2014 Operating system Windows 10 Windows 8 Windows 7 Windows Vista Windows XP File type Driver Version 5.50b 32-bit 64-bit