Kind of bricked my phone

So here's what happened. I was planning on getting the M8 when it comes out on TMO. So I was returning my phone to stock, removing tampered flag and so on. After I did all of that I went to update my phone to 4.4.2 via the official update. However, during that process something happened and the update failed. I rebooted my phone and now it loads a pink, pixelated screen then goes to the HTC One loading screen then just freezes there (and the colors are off). I cannot boot my phone up completely. I can still push custom recoveries and my computer is making connect/disconnect sounds when I plug in my phone (if I do adb devices it says nothing is connected though). I'm s-off with hboot 1.56 and I was rooted. I can still boot into fastboot and my recovery and that's it. I do not have a backup that I can flash. I have also tried sideloading via twrp and that just fails.

I'm kind of just lost on what to do at this point. I have searched the forums and google and I haven't really found anything else that I can try at this point.

I was able to flash the firmware again. Now the pixelated screen is gone and the colors are right on the boot up screens.

I flashed the newest firmware and then unlocked my phone again and flashed twrp again.When I try to sideload it says nothing is attached to my computer. When I try to push a file I get an error saying no device is connected. When I try to flash it with adb commands I get the same thing as sideloading.

R34LY said:

Did you install the HTC drivers on your computer?

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Yes.