You need to start with a rooted device…
A while back I rooted the HTC10 that HTC sent me. Since then, I’ve not done much with the device. However, I did notice that rooting it DID break OTA updates for the stock ROM that ships with the device.
I found this out after I rooted the device and a device update notification showed up from AT&T. I suspect this was the Android Nougat update that was promised, but I’ll never know. Downloading the AT&T update and trying to install it simply reboots the device directly into TWRP Recovery for HTC10 and nothing more. Trying to do anything in TWRP at that point either results in a flash error or in a file not found error.
I’ve reached out to the author of the tutorial video but haven’t received any kind of response or acknowledgement.
I figured since I rooted the device and can flash just about any available ROM for it anyway, that I should likely get to flashing. However, before I get into anything here, I really need to relate the following: