@Mothias Deco x50 v1.2 is always V1. the major versions are shown on the site. Intermediate releases are always part of major releases. V1 includes V1, V1.1, V1.2, etc... if you download the firmware...

I have the Deco X50 model with hardware version 1.2 - the firmware version is 1.0.1 Build 20221103 Today I tried to install the firmware present at this link:...