不好意思我的U ULTRA出問題了,因為朋友手機壞掉,就把之前OTA錯誤解決的UU借給朋友用,我一再告知朋友千萬別把我的手機升級,朋友也答應,早上朋友手機還我的時候我打開看怎麼一直重複開關機,於是看了一下版本~我的天呀,朋友手賤升級到2.22.709.3了,因為無RUU的ROM,只有Image的ROM,想說刷刷看,結果因為BL沒有解鎖所以無法刷入,那該怎麼辦呢,求救中
C:\fastboot4>fastboot flash boot boot.img
htc_fastboot v3.0.9.2 (2015-05-29)
target reported max download size of 1578400000 bytes
sending 'boot' (54341 KB)...
OKAY [ 3.747s]
writing 'boot'...
(bootloader) HOSD CL#1036110
FAILED (remote: 9 RU_SECURITY_FAIL boot and bootloader isn't BL_UNLOCKED)
finished. total time: 4.753s
htc_fastboot finished. total time: 5.406s
想解鎖卻又發現朋友有GOOGLE帳號在裡面,出現此訊息
C:\fastboot4>fastboot oem get_identifier_token
...
(bootloader) [KillSwitch] : /dev/block/bootdevice/by-name/frp
(bootloader) [KillSwitch] Last Byte is 0X00, disable unlock
(bootloader) [KillSwitch] oem unlock Turn Off!
OKAY [ 0.051s]
finished. total time: 0.051s
htc_fastboot finished. total time: 0.291s