I had rooted htc one m8 with twrp. To be able to install OTA update I have flashed 4.20.531.4. It successfully loaded so I started update. However after reboot it did not go further than htc one sign on white screen. After that I tried following actions without any progress: flash twrp back, delete supersu, factory reset from both stock image and twrp, install previous builds. I can get to bootloader, but my pc does not see it throw windows explorer nor from htc sync manger. I'm stock and don't know what else can I do. Did I actually bricked my phone?
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