Follow these steps in order to resolve the error and successfully unlock your device. 1. Try the Alternative Command
Different OEMs use different commands. Here is a quick reference: fastboot flashing unlock failed -remote unknown command-
If get_unlock_ability returns 0 , your bootloader is permanently locked at the factory. The only way out is an official OEM unlock method or paid third-party unlocking services (high risk). Follow these steps in order to resolve the
Enable OEM unlocking from Android first. Then reboot to bootloader and try again. fastboot flashing unlock failed -remote unknown command-