Really sorry that this is happening for you, and appreciate you posting a timeline for others to see.
My Pro1 also experienced a similar fate (went black one day, wouldn't turn on, wouldn't charge, etc). I opted not to send it in because I worried I'd never see it again.
I gotta hand it to Fxtec, though. Before this phone, I was a die-hard hardware keyboard user, and the merely okay experience of the Pro1 followed by its early demise cured my need for that. Turns out a basic keyboardless smart phone is juuuuuuuuust fine.