(adsbygoogle = window.adsbygoogle || []).push({}); I downgrade From 4.50 ITA To 3.55 And everything good

After That lv2 should be cex target taype will be dex

I swithed cex NorBIN now my Ps3 fully cex 3.55 i turn off my ps3 and turn it on and i get brick 5 beeps

i do not know why

How Can I Fix That ?