(adsbygoogle = window.adsbygoogle || []).push({}); i am wondering on a way that i can downgrade from the new version. 4.70 i have a fat ps3 cech 2501a

Two options are a ps3 downgrade service which may be cheap and reliable but the chances of your cid being taken and sold is high
The second option is to buy a e3 flasher and downgrade your system yourself which has its own difficulties in it.Either way both need much research and thought.

seems like a slim model