I'm thinking that Sony checks firmware, but everyone is on 3.55. Whether it be CFW or OFW it's still 3.55. I only believe this because if they put out an update, they only send it to those not on the higher numbered FW. Once your PS is updated, no more notifications. It is very likely they can figure a way but with everything being signed with their private keys, what would be different? I'm just some guy who reads alot and follows directions well. I only have a basic understanding of the bottom end of all these devices. I will say T-mobile can't tell my phone is completely unlocked with a custom rom, that is connected to the internet all the time. I'm sure there is some kind of technical difference but with the vast amount of people doing this, I think the widespread bans are their only defense, if even that. Again, I don't know anything, only time will tell. I will enjoy it as long as it is my machine and not Sonys anymore.