The spare part FxTec sells includes a little more than the display itself, and these two we know are not identical.
I'm not 100% the display itself is completely identical, but I believe so. That is that it is the Boe display also used for the Elephone U Pro, that we can find as a spare part on Aliexpress.
When using a display from Aliexpress a factory reset (wiping all user data) is needed for the Pro1, as this is the only way we know of to get the code executed that sets the touch margins of the display. So even if FxTec confirms that the display is the exact same, you might need to do