DCS Software Downloads

WTIU Firmware v1.3.0 (9/8/2025)
Document

This firmware update is for the WTIU to work with the Lionel Base 3, Lionel Legacy Command System and the Lionel TMCC Command System, allowing the user to run MTH engines and Lionel engines all on the MTH DCS App at the same time.

For instructions to upload the new firmware using the LuCi interface Click Here

 

Click the following links to view diagrams on how to connect the WTIU to the corresponding Lionel Command Systems:

Lionel Base 3

Lionel Legacy Command System

Lionel TMCC Command System

DCS TIU Firmware v6.10
Document
DCS6_10.exe (287.3 KB)

The user MUST use the most recent DCS Loader Program, Version 5.00 (available below) to upload Version 6.10 into the TIU or Remote

WIU Firmware v1.1.0
Document
WIU_1.1.0.bin (5.25 MB)

 

DCS Explorer Firmware v1.3.0
Document

 

DCS Commander Firmware v1.40
Document
DCSCom1_40.exe (88.38 KB)

 

DCS Consumer Loader Program v5.00 - Windows Version 
Document
V5.0.0.exe (1.23 MB)

 

For videos about using the DCS Loader Program or uploading firmware Click Here

The MTH WiFi DCS App is available at both the Apple App Store (Version 4.0.1) and the Google Play Store (Version 4.0.1)