Download a clockworkmod recovery from offsite and firstly try to use fastboot boot. If it works correctly, flash recovery. ... <看更多>

From what I was able to find about the HTC fast-boot (terrible name, as it conflicts in search results with the regular fastboot ), it is just putting the phone ... ... <看更多>

Disable fast/quick reboot (Settings » Power » Fastboot) · Download fastboot binary · Make a backup. Start clockworkmod recovery (instructions below) Select backup ... ... <看更多>

... 目前判定應該是進入fastboot白屏後電腦就連接不上新一了，可是已確定安裝了驅動程式也無法成功連接，fastboot USB 字樣一直沒出現重新安裝HTC ... ... <看更多>

其實這情況在HTC One M9上就發生過，會不斷的重覆開機進入Fastboot的 ... 好放入HTC FASTBOOT工具資料夾內， HTC U Ultra hosd_signed.img 開啟HTC ... ... <看更多>