Originally posted by Elleusive
Correct. None of those models in red were ever released on 3.55 or lower, so they are NOT downgradeable. Your console needs a Min. praxis of 3.55.
Originally posted by Dro
The ones that say 3.55 or anything lower then that are downgradable. Red box is not downgradable.
Just run minverschck to know for sure with the 25xxx series.
if i was buying a cech-25xx from ebay how would i know if it is the right one? would i ask for the date or something or ask them to run MinVerChck