Get "Device has a different hardware version (hardware version X) than the project (hardware version X)" error message, when downloading an Xbuilder project to a device.
Xenta Server 5.1.X with hardware 1, 2 or 3
There is a mismatch between the project's settings and the device's hardware version.
Correct the Xbuilder project's setting to match the device's. Ensure that the hardware version shown in the "Hardware Version" property field is the same as the device's.