(adsbygoogle = window.adsbygoogle || []).push({}); So I downgraded to 3.55 Rogero downgrade, kmew 3.55 CFW, ( I toggle QA ) then updated to 4.75.1 rebug, and I went into Rebug a Toolbox and changed to DEX . Now do I need to downgrade to 3.55 and then update to 4.75.1 D REX , or can I update from 4.75.1 REX to D REX

If you swapped to dex, then yes you are good to install a rebug dex(or any dex for that matter) over your current rebug cex. After that it will most likely not let you install a cex firmware i think it greys them out until you swap back to cex kernel. GL

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So I can just go straight to Update via USB storage and update to 4.75.1 D REX while on already on 4.75.1 REX? No need to downgrade to 3.55?

You cannot do that directly. I'd recommend you follow You must login or register to view this content. tutorial to help you downgrade.

So after I changed to DEX on 4.65.2 REX, I'll need to downgrade to 3.55 and then go back to 4.65.2 D REX?

What do you mean? If you changed to DEX, you wouldn't be on REX.

Dw, I fixed it. Now I need to find out how to get online. I follow many tutorials but none seem to work, and I get banned

restore cid with ccapi

You will need to buy a new Console ID. Once you get one, use CCAPI to set it as your Boot IDPS.