![FAILED (remote: device is locked. Cannot flash images) Unknown Command - ADB Fastboot TWRP LG - YouTube FAILED (remote: device is locked. Cannot flash images) Unknown Command - ADB Fastboot TWRP LG - YouTube](https://i.ytimg.com/vi/ek0E6AWwlUs/maxresdefault.jpg)
FAILED (remote: device is locked. Cannot flash images) Unknown Command - ADB Fastboot TWRP LG - YouTube
![Bootloader unlock failure "Command not allowed" of a Huawei Honor 6x - Android Enthusiasts Stack Exchange Bootloader unlock failure "Command not allowed" of a Huawei Honor 6x - Android Enthusiasts Stack Exchange](https://i.stack.imgur.com/lsB00.png)
Bootloader unlock failure "Command not allowed" of a Huawei Honor 6x - Android Enthusiasts Stack Exchange
Fastboot: Unknown error: downloading 'boot.img'...OKAY [ 0.555s]booting... FAILED (remote: unknown command)finished. total time: 0.569s · Issue #254 · ubports/ubports-installer · GitHub
![samsung - Fastboot failing with error: FAILED (remote: unknown command) - Android Enthusiasts Stack Exchange samsung - Fastboot failing with error: FAILED (remote: unknown command) - Android Enthusiasts Stack Exchange](https://i.stack.imgur.com/b3YUq.jpg)
samsung - Fastboot failing with error: FAILED (remote: unknown command) - Android Enthusiasts Stack Exchange
![Trying to get the bootloader unlock code for N200. OEM Unlock enabled. usb debugging enabled network unlock status unlocked. "command not supported in default implementation" on fastboot oem get_unlock_code. Using USB 2.0 Trying to get the bootloader unlock code for N200. OEM Unlock enabled. usb debugging enabled network unlock status unlocked. "command not supported in default implementation" on fastboot oem get_unlock_code. Using USB 2.0](https://preview.redd.it/trying-to-get-the-bootloader-unlock-code-for-n200-oem-v0-2x63fkyemlv91.png?width=640&crop=smart&auto=webp&s=e903c0352af2c7ab102f2015765f225f9f56062e)