(adsbygoogle = window.adsbygoogle || []).push({}); i am running 4.50 CFW and want to downgrade to 4.21 so i can convert to DEX can anyone explain how i can do this?

Download 9.99 Downgrader on the rebug website:
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Install it, Then qa flag your PS3 once its installed.
Take your disc out if you have one in there and go into recovery mode.
Once you are there install 3.55 OFW
Then once it finishes installing install your desired CFW.

i cant find the 9.99 downgrader can you add me on skype: tooley.05
i really need your help