(adsbygoogle = window.adsbygoogle || []).push({}); Hey i just downgraded from 4.21 ita dex to 3.55.3 (i believe) from rebug. and now when ever i try and install any firmware it just says they are all corrupted, this is all happening cause i wanna play gta 5 on my ps3 but it said i had to be on 4.40 or high so, if anybody can help me with my problem please reply to this AS SOON AS POSSIBLE

Thanks ALOT sir, u just made me 300$ !!!