[To Parent Directory] Wednesday, August 7, 2013 6:03 PM 552226 DGS-3420 Series Firmware Release Notes A1A2 v1.50.018 (For WW).pdf Thursday, August 8, 2013 5:04 AM <dir> Firmware_v1.50.018 Monday, October 13, 2014 12:11 PM <dir> Firmware_v1.50.034