(adsbygoogle = window.adsbygoogle || []).push({}); hi,
i stupidly installed the 4.23 frmware not knowing what it was until it was too late but its not allowing me to update my games how can i get around this or remove the 4.23 demo firmware from my ps3?

You need to get a hardware flasher to downgrade. There is no known way currently to downgrade without one. However, if you have a newer model you may be out of luck. Check out the wiki for guidance: You must login or register to view this content.