More confirmation that DV FEL is working in CE on DV licensed s905x2 (J/K variants). So DV FEL is also likely working in DV licenced s905y2 and s905x3 (already confirmed in ATV on Chromecast 4K).
@simonhust666 did resort to soldering in the DV licensed s905x2 to an x96 max, not easy.