(adsbygoogle = window.adsbygoogle || []).push({}); today I did the downgrade, but when I start qa toggle instead of the bips it returns normally to the main menu! Someone can help me please!?!

This is normal. Then go to internet setting and do the combo. If not dhow up them dtart qa flsg again

but the ps3 doesn't bips it's normal?

Not really. Maybe broken hardware.

Broken Hardware? WTF? -.-

as long u can get the debug menu opening U R GOOD 2 go. when i went back from 3.55 cfw 2 3.55 ofw i ran Qa and got it 2 open the menu with no beeps then back 2 3.55 cfw as a fresh start then 4.21.1 then 4.21.2! - u can go 2 4.30 cfw if u want