Xl950 Firmware Download Versions [best] -

: Version 4.0.4 is primarily required for users missing the "Nexia Home Intelligence" (now Trane/American Standard Home) icon, which is necessary for remote climate access. Trane Home Support +5 Known Firmware Version History Version Release Context / Notes 4.0.4 Latest known version; enables remote access for original release units. 4.0.3 Verified by community users as a stable update path for legacy units. 4.0.1 Previously the standard public download before being pulled. 2.2 / 2.1 Earlier mid-lifecycle updates; required for basic Nexia connectivity. 1.1 / 1.0 Factory/initial release versions. How to Check Your Current Version On the thermostat home screen, press

: Official firmware is now distributed exclusively to HVAC dealers . They can perform an on-site update using the SD card slot on the thermostat. xl950 firmware download versions

On the thermostat home screen, navigate to → About and look for the Release Version . : Version 4