Cerbo gx white screen

Guys I have updated my cerbogx to new software after 3 days it’s no longer working it only displays the welcome screen then I turns white I tried to reset using USB but it’s failing, I can’t connect to it be it via WIFI or Bluetooth everything it’s zero zero what’s the best way to solve this problem

Hi, try to reset with SD card without any cable (only power cable)

https://www.victronenergy.com/media/pg/Cerbo_GX/fr/reset-to-factory-defaults-and-venus-os-reinstall.html

Regards from France