Planning to upgrade my PS3 3.55 help?

[nhikz009]

Hi there. i been outdated on the scene for months i have a question so i can verify it with the pro..

1. how will i know if my ps3 slim is a cex or dex? its a CECH-2501B. (im really a noob)

2. im on 3.55 kmeaw. can i directly install Rogero CFW 4.30 Rogero (v2.03) on it?

3. if yes what files should i install? i have here (Rogero CEX 4.30 v2.03, toggle_qa, Condor Updater, multiMAN v04.20.00. Do all this files what i need to upgrade to a new CFW?

please can you teach me step by step and what file will i need to do it so, i read a lot of guides but i want to double check first.. thanks

[BlurZz]

It is recommended to update from official firmware so you know... Go to Official Firmware than just install in normally from there (XMB UPDATE)

[nhikz009]

what official firmware should i install bro? 3.55 OFW?

[BlurZz]

Yes sorry my bad! Should have been specific! (Tired!)