DT-4500 Series & UT-4500 Series
| Version | Date | Files |
| Ethernet | ||
| DT/UT 4500 Series Flash Update Guide - Rev 3 | ||
| Ver6x | ||
| F0000202P_V137 | 01/20/2023 | EXE ZIP |
| F0000202N_V136 | 10/05/2020 | EXE ZIP |
| F0000202M_V135 | 06/15/2017 | EXE ZIP |
| Non-Ethernet | ||
| Ver5x – 1 kHz Step Size | ||
| f1611-1t_v116 | 03/03/2010 | EXE ZIP |
| F1611-1R_V115 | 01/23/2008 | EXE ZIP |
| Ver5x – 125 kHz Step Size | ||
| F1610-1V_V515 | 05/04/2011 | EXE ZIP |
| F1610-1U_V514 | 09/22/2010 | EXE ZIP |
| Ver4x – 1 kHz Step Size | ||
| F1604-1M_V418 | 08/12/2003 | EXE ZIP |
| F1604-1J_V415 | 06/27/2002 | EXE ZIP |
| Ver4x – 125 kHz Step Size | ||
| F1603-1M_V418 | 07/09/2003 | EXE ZIP |
| F1603-1K_V416 | 08/26/2002 | EXE ZIP |