Product Drivers & Firmware



GPSU21W6

Only products manufactured after September 2017 can be updated to this newer firmware due to different IC (Chip) versions.Staring S/N: OU79USZ1B00001 DO NOT RUN THIS UPDATE if your serial number is below what is shown above.
OS Type Version Release Date Lang File
Windows 7 32-bit
Windows 7 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Mac OS 10.10
Windows 10 32-bit
Windows 10 64-bit
Mac OS 10.11
Mac OS 10.12 (Sierra)
Mac OS 10.13 (High Sierra)
Firmware .56 06-28-2018 English GPSU21_FW_56.zip
(356.15 KB)
Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit
Windows 8 64-bit
Windows 8 32-bit
Windows 8.1 32-bit
Windows 8.1 64-bit
Windows 10 32-bit
Windows 10 64-bit
Software V3.7.1 03-27-2014 English GPSU21 Drivers Win8.1 V3.7.1.zip
(79.08 MB)