Ensure the device has at least 60% battery life to prevent it from shutting down mid-flash.
M8_UL_M60_SENSE70_MR_HTC_Europe_6.12.401.4_Updated_v5.0.zip htc one m8 stock rom updated
Official security patches for this device are no longer provided by HTC. Stock ROM Download & Installation Ensure the device has at least 60% battery