fastboot oem lock failed unknown command

On the fastboot/bootloader screen, does it show Device State as Locked (in green) or Unlocked (in red) or perform a 'fastboot oem dmesg' and it will either output information. I'm not sure that's relevant in your case, but it certainly wouldn't hurt to check. Having 'OEM Unlocking' turned on does not unlock the bootloader, it gives you the ability to unlock the bootloader and it doesn't appear you have actually unlocked it. There is one last/other thing to consider, on many devices-especially Nexus devices-there is a Settings -> Developer options -> OEM unlocking switch that must be enabled before you're allowed to unlock your bootloader. If fastboot otherwise works (i.e., fastboot devices and fastboot getvar all), then any error you get after that indicates a command sequences that's incorrect or not implemented. This can be customized in the following files:

You should now see a prompt similar to the one shown in the picture. Some devices might use the command fastboot oem unlock instead.

However, if OEMs or network providers want to lock down 'fastboot' it can be done by disabling the keypad and usb driver in bootloader. Wait a couple seconds until your device rebooted into the bootloader, then enter the command fastboot flashing unlock. It goes in the spirit of Android Open Source Project where end users and developers have access to the source code to allow them to modify it and upgrade their device over usb using 'fastboot'. Q2) How do I disable 'fastboot' for my commercial device?Ī2) Personally, I would like to see commercial devices leave 'fastboot' enabled. Sending 'boot.img' (30904 KB) FAILED (remote: 'unknown command') fastboot: error: Command failed The is where the cursor is, and when i pull the cable I get FAILED.

Fastboot oem lock failed unknown command