Download Drivers

Please help me find the driver downloads to the devices gma4020b, thx!

Below you can download gma4020b driver for Windows.

File name: gma4020b.exe
Version: 1.1.2
File size: 3.991 MB
Upload source: original install disk
Antivirus software passed: Symantec

Download Driver


(click above to download)

Worked fine for me