This is the Device Protection Lock. It started from devices that was pre-installed(Shipped) with Android 5.0(Lollipop) and up. It's basically asking you to sign in to any Google account that's synced or added to the device.
If you see the phone image press Volume Up + Power button. In Recovery Mode select wipe data/factory reset. Use Volume keys to navigate and the Power button to accept it. Then choose yes from the menu and click the Power key once. At the end choose reboot system now with the Power button. Well done! I did a really stupid thing, I tried rooting my HTC One M8. I followed the steps, and it worked fine until I flashed and rebooted. After that, the phone was stuck at boot logo, so I decided to just factory reset it, but somehow, after doing that through TWRP, it reboots > went through logo white screen > then stuck at a black screen. I tried most of the solutions i could find. Did a cache wipe, even did a factory reset by pressing the power button and the Vol down button for some time. After the factory reset it gets stuck in - htc one m7 stuck in android is upgrading Starting Apps. How can i fix this? It has been 2 days and I am trying to get it up and running with no success. NW9HL.
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    • htc one factory reset doesn t work