Hello, I want to ask if is normal that after upgrade I getting constant red light fod few seconds during boot of Deco X50? If I need to downgrade fw. I have two packs of X50s. One with FW 1.2.2 and on

Today my Deco X50 v1 upgraded automatically to firmware 1.5.5 and everything stopped working. Ping goes smooth to any host but no connections are stablished. Can't open any page. Rebooting the deco te