My HTC One M8 showed a message that says UI.System is not responding then shut down. When I try to open it it is stuck on the welcome HTC white screen. - I tried to hard reset it from the hard reset it but when I do so it shows black screen with green progress arrow and then it goes again to the Welcome Screen. If the phone is still on, turn it off. Press and hold the Volume Down button. Press and hold the Power key and when the phone vibrates, release it. ( NOTE: If the phone won’t vibrate, then it Resetting HTC One M9 (Hard reset) If HTC One M9 has a persistent problem that cannot be solved, you can perform a factory reset (also called a hard reset or master reset). A factory reset reverts the phone back to its initial state—the state before you turned on the phone for the first time. I actually contacted HTC Vive Live Chat Support and they told me to manually update it with lighthouse_tx_htc_2_0-calibration-rescue-244.bin and then lighthouse_tx_htc_2_0-244-2016-03-12.bin. Didn't work and they told me to send it in for repair. I'm still open to see if any other firmware file works or one pulled off of a 2.0 base station will do. I saw a few threads (not many) discussing this problem, but none mentioned the fix I just got from HTC on twitter Repeated attempts to boot the phone when the battery is very flat (maybe even charging) can result in the charging circuit -I try to perfrom a factory reset, hard reset from the HTC menu with PWR and - button of the unit. but it is the same result as the attempt with the android menu, it boots on the saved configuration. -I try to download the update android 4.3 and HTC sense 5.5 from HTC servers but once downloaded, the device says the update is corruted and will It does not work with hard reset? Did a hard reset and it still tells me to sign in with Google account. If you did not see the LG Logo and go into recovery mode, then you did not do the hard reset correctly. LG has provided the steps to take and if you did not hit the power/lock button after releasing it when the logo appeared then you did not My HTC one m9 plus OS is not working properly (e.g. It reboots several times when I turn on WIFI or data, etc) So I decided to install Android 6 or 7 on it. But after downloading this file During the baQO9.