Any way to go back to previous firmware/Radio?

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Saneless One

Senior Member
Mar 31, 2011
633
173
I want to see if my recent power button issues are related to the most recent firmware update for the phone vs an actual hardware issue. This only started happening after I updated, so if I can go back to a previous version I'd love to try that before exchanging the phone.

And when I say firmware I mean PRI, not the baseband/radio